MCQs 101 Pediatric Dentistry II Dr. Sok Kunthy 2019

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  • 1/101 Questions

    What is the symptom of reversible pulpitis?

    • Sharp pain for short duration cause by stimulus
    • Sharp pain for an hour cause by stimulus
    • Sharp pain for 2 hours cause by stimulus
    • Sharp pain for 3 hours cause by stimulus
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Dentistry Quizzes & Trivia
About This Quiz

This quiz, titled 'MCQs 101 Pediatric Dentistry II Dr. Sok Kunthy 2019', assesses knowledge on diagnosing and treating pulpitis in young children. It includes real-world scenarios to identify symptoms and appropriate treatments, enhancing practical understanding for future pediatric dentists.

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  • 2. 

    The patient 5 years old come to the dental clinic with the complain of pain when eating for a few minutes. What would you diagnosis this case?

    • Reversible pulpitis

    • Dental abscess

    • Irreversible pulpitis

    • Periodontitis

    Correct Answer
    A. Reversible pulpitis
    Explanation
    Based on the given information, the patient is experiencing pain while eating for a few minutes, which suggests that the condition is not severe or chronic. Reversible pulpitis refers to inflammation of the dental pulp that can be resolved with appropriate treatment. This condition is characterized by temporary pain or sensitivity to hot or cold stimuli. Therefore, considering the patient's age and the temporary nature of the pain, reversible pulpitis is the most likely diagnosis in this case.

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  • 3. 

    What is the symptoms of irreversible pulpitis?

    • Pain more severe induced by hot, cold, sweet

    • Sharp pain for short duration

    • Pain to percussion

    • Pain when eating food

    Correct Answer
    A. Pain more severe induced by hot, cold, sweet
    Explanation
    The symptoms of irreversible pulpitis include pain that is more severe when triggered by hot, cold, or sweet stimuli. This indicates that the pulp tissue inside the tooth is inflamed and damaged, leading to heightened sensitivity to temperature and certain foods. The other symptoms mentioned, such as sharp pain for a short duration, pain to percussion (tapping on the tooth), and pain when eating, may also be present in irreversible pulpitis, but the most prominent symptom is the increased severity of pain when exposed to hot, cold, or sweet substances.

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  • 4. 

    The patient 5 years old come to the dental clinic with the complain of pain on tooth 75 and the pain is more severe and continue for a few minutes check the tooth have big hole. What is your most diagnosis?

    • Irreversible pulpitis

    • Reversible pulpitis

    • Periodontitis

    • Pulp necrosis

    Correct Answer
    A. Irreversible pulpitis
    Explanation
    Based on the given information, the patient is experiencing severe and continuous pain in tooth 75, which also has a big hole. These symptoms suggest that the pulp (the innermost part of the tooth) is inflamed and damaged beyond repair. This condition is known as irreversible pulpitis, which is characterized by intense and persistent pain. Reversible pulpitis refers to temporary inflammation of the pulp that can be resolved with proper treatment. Periodontitis involves inflammation and infection of the surrounding tissues of the tooth, while pulp necrosis refers to the death of the pulp tissue. However, the symptoms described in the question point towards irreversible pulpitis as the most likely diagnosis.

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  • 5. 

    The patient 5 years old come to the dental clinic with the complain of pain on tooth 75 and the pain is more severe and continue for a few minutes check the tooth have big hole. What treatment of choice would you choose?

    • Pulpectomy

    • Pulp capping

    • Pulpotomy

    • Extraction

    Correct Answer
    A. Pulpectomy
    Explanation
    Based on the given information, the patient is experiencing severe pain and has a big hole in tooth 75. A pulpectomy is the most appropriate treatment choice in this case. A pulpectomy involves the complete removal of the infected pulp tissue from the tooth's root canal and filling it with a suitable material. This treatment is usually performed when the tooth is severely decayed or infected, as in this case. Pulp capping and pulpotomy are not suitable because they involve preserving the pulp tissue, which is not possible in this situation. Extraction may be considered if the tooth cannot be saved through other means, but it is not the first choice in this case.

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  • 6. 

    The patient 4 years old come to the dental clinic with the symptom: pain maybe severe, throbbing, almost continuous, tender to percussion, chewing and palpation, pain easily localized and maybe worse at night. What would you diagnosis this condition?

    • Acute apical periodontitis

    • Reversible pulpitis

    • Irreversible pulpitis

    • Gingivitis

    Correct Answer
    A. Acute apical periodontitis
    Explanation
    Based on the given symptoms, the patient is experiencing severe, throbbing, and continuous pain that is tender to percussion, chewing, and palpation. The pain is easily localized and may worsen at night. These symptoms are indicative of acute apical periodontitis, which is an inflammation and infection of the tissues surrounding the tooth's root. Reversible pulpitis refers to temporary inflammation of the dental pulp, while irreversible pulpitis refers to irreversible damage to the dental pulp. Gingivitis refers to inflammation of the gums, which does not match the given symptoms. Therefore, the correct diagnosis for this condition is acute apical periodontitis.

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  • 7. 

    The patient 6 years old come to the dental clinic complain of swelling on the gum but not painful, check in the mouth the gingiva is redness and bleeding, Around the tooth is full of plaque. What would you diagnosis this?

    • Gingivitis

    • Dental abscess

    • Periodontitis

    • Stomatitis

    Correct Answer
    A. Gingivitis
    Explanation
    Based on the given symptoms of swelling, redness, bleeding, and plaque buildup around the tooth, the most likely diagnosis is gingivitis. Gingivitis is characterized by inflammation of the gums, which can be caused by poor oral hygiene leading to plaque accumulation. The absence of pain suggests that it is an early stage of gum disease rather than a dental abscess or periodontitis. Stomatitis, on the other hand, refers to inflammation of the entire mouth and is not specific to the gums.

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  • 8. 

    What is the symptom of gingivitis?

    • Swelling, redness, bleeding, not painful & plaque induced

    • Deep pocket

    • Gum swelling and pus inside

    • Necrosis on the dental papilla

    Correct Answer
    A. Swelling, redness, bleeding, not painful & plaque induced
    Explanation
    Gingivitis is a common symptom of gum disease characterized by swelling, redness, and bleeding of the gums. It is typically not painful and is often caused by the buildup of plaque on the teeth. This plaque contains bacteria that irritate the gums, leading to inflammation and the aforementioned symptoms. Therefore, the correct answer is "Swelling, redness, bleeding, not painful & plaque induced."

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  • 9. 

    All the following below are factors contribute to gingivitis in childhood and adolescence except?

    • Dental traumatic

    • Poor oral hygiene

    • Restoration overhangs

    • Orthodontic appliances

    Correct Answer
    A. Dental traumatic
    Explanation
    Dental trauma refers to injuries to the teeth and surrounding structures caused by external forces. While dental trauma can lead to various dental problems, it is not directly linked to gingivitis. Gingivitis is primarily caused by poor oral hygiene, restoration overhangs, and orthodontic appliances, which can all contribute to the buildup of plaque and bacteria in the gums. Dental trauma, on the other hand, may result in tooth fractures, dislodgement, or avulsion, but it does not directly cause inflammation of the gums.

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  • 10. 

    All of the following below are symptoms and signs of primary herpetic gingiva stomatitis except?

    • Herpes labialis (cold sore) on the lip

    • Sub-mandibular gland swelling

    • Fever (>38ºC)

    • Reddened bleeding gingiva

    Correct Answer
    A. Herpes labialis (cold sore) on the lip
    Explanation
    The symptoms and signs of primary herpetic gingiva stomatitis include sub-mandibular gland swelling, fever (>38ºC), and reddened bleeding gingiva. However, herpes labialis (cold sore) on the lip is not a symptom of primary herpetic gingiva stomatitis.

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  • 11. 

    A 5 years old patient come to the dental clinic with symptoms and signs:Fever, Sub mandibular gland swelling, Reddened bleeding ginviva and Multiole vesicles and painful ulcers on gingiva and soft oral tissues.What is the most likely diagnosis of this?

    • Primary herpetic gingiva-stomatitis

    • Stomatitis

    • Acute necotizing ulcerative gingivitis

    • Gingivitis

    Correct Answer
    A. Primary herpetic gingiva-stomatitis
    Explanation
    The most likely diagnosis for a 5-year-old patient presenting with symptoms such as fever, submandibular gland swelling, reddened bleeding gingiva, and multiple vesicles and painful ulcers on the gingiva and soft oral tissues is primary herpetic gingiva-stomatitis. This condition is caused by the herpes simplex virus and commonly affects young children. The symptoms mentioned align with the characteristic features of primary herpetic gingiva-stomatitis, making it the most likely diagnosis.

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  • 12. 

    A 5 years old patient come to the dental clinic with symptoms and signs : Fever, Sub mandibular gland swelling, Reddened bleeding ginviva and Multiole vesicles and painful ulcers on gingiva and soft oral tissues. What is the best treatment for this diagnosis?

    • Antiviral

    • Antibiotics

    • Anti-inflammatory

    • Anti- fungal

    Correct Answer
    A. Antiviral
    Explanation
    Based on the symptoms and signs described, including fever, submandibular gland swelling, and vesicles and ulcers on the gingiva and soft oral tissues, the best treatment for this diagnosis would be antiviral medication. These symptoms are indicative of a viral infection, and antiviral medication is specifically designed to target and treat viral infections. Antibiotics would be ineffective as they are used to treat bacterial infections, while anti-inflammatory and anti-fungal medications would not address the underlying viral cause of the symptoms.

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  • 13. 

    A 12 years old patient come to dental clinic with the symptoms such as: herpes labialis (cold sore) on the lip, reactivated by eg. Trauma, heat, hormones, sunlight, stress, immunosuppression, concurrent infection.What is the most likely diagnosis for this?

    • Secondary herpes infections

    • Stomatitis

    • Primary herpetic gingivo-stomatitis

    • Gingivitis

    Correct Answer
    A. Secondary herpes infections
    Explanation
    The most likely diagnosis for the patient's symptoms is secondary herpes infections. This is indicated by the presence of herpes labialis (cold sore) on the lip, which is a common manifestation of a secondary herpes infection. The reactivation of the infection by various triggers such as trauma, heat, hormones, sunlight, stress, immunosuppression, and concurrent infection further supports this diagnosis. Stomatitis, primary herpetic gingivo-stomatitis, and gingivitis are less likely explanations as they do not encompass all of the patient's symptoms.

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  • 14. 

    A 12 years old patient come to dental clinic with the symptoms such as:herpes labialis (cold sore) on the lip, reactivated by eg. Trauma, heat, hormones, sunlight, stress, immunosuppression,concurrent infection. What is the most likely treatment for this diagnosis?

    • Antiobiotic

    • Anti-inflammatory

    • Anti- fungal

    • Antiviral

    Correct Answer
    A. Antiobiotic
    Explanation
    The most likely treatment for the diagnosis of herpes labialis (cold sore) on the lip would be an antiviral medication. Antibiotics are used to treat bacterial infections, while anti-inflammatories are used to reduce inflammation and pain. Anti-fungal medications are used to treat fungal infections. However, herpes labialis is caused by the herpes simplex virus, so an antiviral medication would be the most appropriate treatment.

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  • 15. 

    A 10 years old patient come to dental clinic with the symptoms such as: Ulceration of interdental papillae (very painful), Foul breath, Rapid progression, Fever and Lymphadenopathy. What is the most likely diagnosis for this?

    • Acute Necrotizing Ulcerative gingivitis

    • Gingival Enlargements

    • Primary herpetic gingiva-stomatitis

    • Secondary herpes Infections

    Correct Answer
    A. Acute Necrotizing Ulcerative gingivitis
    Explanation
    The most likely diagnosis for the given symptoms is Acute Necrotizing Ulcerative gingivitis. This condition is characterized by painful ulceration of the interdental papillae, foul breath, rapid progression, fever, and lymphadenopathy. It is commonly seen in young patients and is associated with poor oral hygiene and a compromised immune system. Gingival enlargements, primary herpetic gingiva-stomatitis, and secondary herpes infections do not present with the same combination of symptoms as described in the question.

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  • 16. 

    A 10 years old patient come to dental clinic with the symptoms such as: Ulceration of interdental papillae (very painful), Foul breath, Rapid progression, Fever and Lymphadenopathy. What is the most likely treatment for this?

    • ( Amoxycillin + Metronidazole)

    • (Spiramycin + Metronidazole)

    • ( Amoxycillin + Acide clavulanique)

    • Tetracyclin

    Correct Answer
    A. ( Amoxycillin + Metronidazole)
    Explanation
    The given symptoms, such as ulceration of interdental papillae, foul breath, rapid progression, fever, and lymphadenopathy, are indicative of an infection. The most likely treatment for this type of infection would involve a combination of antibiotics that cover both aerobic and anaerobic bacteria. Amoxycillin and metronidazole are commonly used together to provide broad-spectrum coverage against the bacteria causing the infection. Therefore, the most likely treatment for this patient would be (Amoxycillin + Metronidazole).

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  • 17. 

    Which of the following drug can cause gingival enlargement?

    • Dilantin

    • Nystatine

    • Tetracycline

    • Amoxycillin

    Correct Answer
    A. Dilantin
    Explanation
    Dilantin, also known as phenytoin, is an anticonvulsant medication that has been associated with gingival enlargement. This side effect is known as phenytoin-induced gingival overgrowth and is characterized by an abnormal growth of gum tissue. The exact mechanism behind this enlargement is not fully understood, but it is believed to involve an increase in collagen production and a decrease in collagen breakdown. Regular dental care and good oral hygiene are important for individuals taking Dilantin to manage this side effect.

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  • 18. 

    Which of the following drug can cause gingival enlargement?

    • Cyclosporin

    • Aspirine

    • Heparine

    • Warfarin

    Correct Answer
    A. Cyclosporin
    Explanation
    Cyclosporin is a drug that can cause gingival enlargement. This side effect is known as drug-induced gingival overgrowth, and it occurs due to an abnormal response of the gum tissues to the drug. Cyclosporin is an immunosuppressant medication commonly used in organ transplant recipients to prevent rejection. It is believed to cause gingival enlargement by stimulating the growth of fibroblasts and collagen in the gums. This can lead to an overgrowth of gum tissue, causing the gums to become swollen, red, and prone to bleeding. Regular dental care and good oral hygiene are important for individuals taking cyclosporin to minimize the risk of gingival enlargement.

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  • 19. 

    Which of the following drug can cause gingival enlargement?

    • Nifedipine

    • Atropin

    • Alpha chymotrypsin

    • Biotin

    Correct Answer
    A. Nifedipine
    Explanation
    Nifedipine is a calcium channel blocker commonly used to treat high blood pressure and angina. One of the side effects of nifedipine is gingival enlargement, which is the abnormal overgrowth of gum tissue. This side effect occurs due to the drug's ability to increase the production of connective tissue in the gums, leading to their enlargement. Therefore, nifedipine can cause gingival enlargement. Atropine, alpha chymotrypsin, and biotin do not have this side effect.

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  • 20. 

    Which is the symptom of primary herpetic gingiva stomatitis?

    • All of above

    • Fever (>38ºC)

    • Anorexia and malaise

    • Sub mandibular gland swlling

    • Multiple vesicle and painful ulcers on gingiva

    Correct Answer
    A. All of above
    Explanation
    All of the symptoms mentioned (fever, anorexia and malaise, submandibular gland swelling, multiple vesicle and painful ulcers on gingiva) are characteristic of primary herpetic gingiva stomatitis. This condition is caused by the herpes simplex virus and is characterized by the presence of these symptoms.

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  • 21. 

    Which of the following is the local factor contribute to gingivitis in children and adolescence?

    • All of above

    • Erupting teeth

    • Poor oral hygiene

    • Restoration overhang

    • Calculus

    Correct Answer
    A. All of above
    Explanation
    All of the factors mentioned in the options can contribute to gingivitis in children and adolescence. Erupting teeth can cause irritation and inflammation of the gums, poor oral hygiene can lead to the buildup of plaque and bacteria, restoration overhang can create areas where plaque can accumulate, and calculus (hardened plaque) can cause gum inflammation. Therefore, all of these factors can play a role in the development of gingivitis in this age group.

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  • 22. 

    Which of following is the symptom of gingivitis?

    • All of above

    • Swelling

    • Redness and bleeding

    • Not painfull

    • Plaque induced

    Correct Answer
    A. All of above
    Explanation
    Gingivitis is a condition characterized by inflammation of the gums. The symptoms of gingivitis include swelling, redness, bleeding, and plaque-induced buildup on the teeth. Therefore, "All of above" is the correct answer as it encompasses all the mentioned symptoms of gingivitis.

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  • 23. 

    Treatment of primary herpetic gingiva stomatitis is?

    • All of above

    • Drink plenty of fluids

    • Soft bland diet

    • Paracetamol

    • Antiviral agent

    Correct Answer
    A. All of above
    Explanation
    The treatment for primary herpetic gingiva stomatitis includes all of the options mentioned. Drinking plenty of fluids helps to stay hydrated and relieve discomfort. A soft bland diet is recommended to avoid irritating the affected area. Paracetamol can be taken to alleviate pain and reduce fever. Antiviral agents are prescribed to inhibit the replication of the herpes virus and promote healing.

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  • 24. 

    ANUG is usually located?

    • Ulcer marginal gingiva and necrosis and ulceration on gingiva

    • Ulcer marginal gingiva

    • Vesicle on gingiva and mucosa

    • All of above

    Correct Answer
    A. Ulcer marginal gingiva and necrosis and ulceration on gingiva
    Explanation
    ANUG (Acute Necrotizing Ulcerative Gingivitis) is usually located on the ulcer marginal gingiva, causing necrosis and ulceration. This condition is characterized by severe gum inflammation, pain, and the presence of necrotic tissue. The ulcers are typically found at the gum line, affecting the marginal gingiva. ANUG can also cause bleeding, bad breath, and a metallic taste in the mouth. Therefore, the correct answer is "Ulcer marginal gingiva and necrosis and ulceration on gingiva."

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  • 25. 

    The cause of acute allergic reaction?

    • All of above

    • Latex

    • Nikel

    • Cinamon and other spices

    Correct Answer
    A. All of above
    Explanation
    All of the options listed (latex, nickel, cinnamon, and other spices) can cause an acute allergic reaction. Each substance has the potential to trigger an allergic response in individuals who are sensitive or allergic to them. It is important to note that allergic reactions can vary in severity and symptoms, ranging from mild to life-threatening. Therefore, it is crucial for individuals with known allergies to avoid exposure to these substances and seek immediate medical attention if they experience any symptoms of an allergic reaction.

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  • 26. 

    Familial neutropenias may suffer from?

    • All the above

    • Recurrent pneumonia

    • Skin and other infection

    • Mouth ulceration

    • Periodontal disease

    Correct Answer
    A. All the above
    Explanation
    Familial neutropenias are a group of inherited disorders characterized by a decrease in the number of neutrophils, a type of white blood cell that helps fight off infections. As a result, individuals with familial neutropenias are more susceptible to various infections, including recurrent pneumonia, skin and other infections, mouth ulceration, and periodontal disease. Therefore, all the options listed above are potential symptoms or complications that individuals with familial neutropenias may experience.

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  • 27. 

    What do you call when the tooth eruptbetween central incisors of the permanent dentition?

    • Mesiodens

    • Super numerary teeth

    • Hypodontia

    • Marcrodontia

    Correct Answer
    A. Mesiodens
    Explanation
    A mesiodens is a supernumerary tooth that erupts between the central incisors of the permanent dentition. Supernumerary teeth are extra teeth that develop in addition to the normal set of teeth. Hypodontia refers to the condition where there is a congenital absence of one or more teeth. Macrodontia is a condition where teeth are abnormally large. Therefore, the correct answer for this question is Mesiodens.

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  • 28. 

    What do you call when the teeth erupt more than 32 teeth ?

    • Hyperdontia

    • Hypodontia

    • Marcrodontia

    • Microdontia

    Correct Answer
    A. Hyperdontia
    Explanation
    Hyperdontia is the correct answer because it refers to a condition where there is an excessive number of teeth in the mouth, exceeding the normal count of 32 teeth. This condition can result in overcrowding, misalignment, and other dental issues. Hypodontia, on the other hand, is the opposite condition where there are fewer than the normal number of teeth. Marcrodontia and microdontia refer to conditions where the teeth are abnormally large or abnormally small, respectively.

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  • 29. 

    For the hyperdontia term what the other word you can call?

    • Supplement or accessory teeth

    • Double teeth

    • Gimination teeth

    • Fusion teeth

    Correct Answer
    A. Supplement or accessory teeth
    Explanation
    The term "hyperdontia" refers to the condition of having extra teeth, which are also known as "supplement" or "accessory" teeth. Therefore, the other word that can be used to describe hyperdontia is "supplement or accessory teeth".

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  • 30. 

    On the X-Ray of the patient 8 yearsold show that two teeth stick together and have only one root what do you diagnose for this case?

    • Gimination teeth

    • Super numerary teeth

    • Fusion teeth

    • Double teeth

    Correct Answer
    A. Gimination teeth
    Explanation
    Gimination teeth refers to a dental condition where two teeth appear to be fused together, but they actually have separate roots. This condition can occur when there is an abnormal development of the tooth germ during the formation of the teeth. It is characterized by the presence of two separate crowns, but they may be joined at the cementum or dentin level. This condition can cause aesthetic concerns and may require dental intervention depending on the severity of the case.

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  • 31. 

    On the X-Ray of the patient 8 yearsold show that two teeth stick together and have two root what do you diagnose for this case?

    • Fusion teeth

    • Super numerary teeth

    • Gimination teeth

    • Double teeth

    Correct Answer
    A. Fusion teeth
    Explanation
    Fusion teeth is the correct diagnosis for this case. Fusion teeth refers to the condition where two teeth in the mouth are joined together, usually during development. In this case, the X-Ray of the 8-year-old patient shows that two teeth are fused together and have two roots. This condition can occur due to various factors such as trauma, genetic factors, or developmental abnormalities. Treatment options may include separation of the fused teeth or extraction depending on the severity and impact on oral health.

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  • 32. 

    Oligodontia is the missing teeth that show?

    • Missing about 6 teeth

    • Missing about 2 teeth

    • Missing about 4 teeth

    • Missing about 8 teeth

    Correct Answer
    A. Missing about 6 teeth
    Explanation
    Oligodontia is a condition characterized by the absence or missing teeth. In this case, the correct answer suggests that oligodontia refers to the condition of missing about 6 teeth.

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  • 33. 

    Anodontia is the missing teeth that show?

    • Missing almost all the teeth

    • Missing about 6 teeth

    • Missing about 8 teeth

    • Missing about 10 teeth

    Correct Answer
    A. Missing almost all the teeth
    Explanation
    Anodontia refers to the condition where a person is missing almost all of their teeth. This means that the individual has a significant absence of teeth in their mouth, which can affect their ability to eat, speak, and smile. It is a rare condition that can be caused by genetic factors or certain medical conditions.

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  • 34. 

    The most common missing teeth seen on the primary dentition is?

    • Lateral incisors

    • Central incisors

    • First molars

    • Second molars

    Correct Answer
    A. Lateral incisors
    Explanation
    The most common missing teeth seen on the primary dentition are the lateral incisors. This is because the development of these teeth can be affected by various factors such as genetics, trauma, or abnormal tooth development. Missing lateral incisors can lead to issues with the alignment and spacing of the other teeth in the mouth.

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  • 35. 

    Which teeth that usually missing on the mandibular?

    • Second premolars

    • Central incisors

    • Lateral incisors

    • Third molars

    Correct Answer
    A. Second premolars
    Explanation
    The second premolars are the teeth that are usually missing on the mandibular. This can occur due to various reasons such as genetic factors, developmental abnormalities, or dental trauma. The absence of second premolars can affect the alignment and function of the other teeth, as well as the overall aesthetics of the smile. Dental professionals may recommend orthodontic treatment or dental implants to address this issue and restore proper dental function and appearance.

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  • 36. 

    Which teeth that usually missing on the maxillary?

    • All the above

    • Lateral incisors

    • Second premolars

    • Third molars

    Correct Answer
    A. All the above
    Explanation
    The correct answer is "All the above." This means that all of the mentioned teeth (lateral incisors, second premolars, and third molars) are usually missing on the maxillary.

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  • 37. 

    The tooth that is smaller than normal is called?

    • Microdontia

    • Hypodontia

    • Hyperdontia

    • Marcrodontia

    Correct Answer
    A. Microdontia
    Explanation
    Microdontia is the correct answer because it refers to a condition in which a tooth is smaller than normal. This can occur due to genetic factors or developmental abnormalities. Hypodontia refers to the absence of one or more teeth, hyperdontia refers to the presence of extra teeth, and macrodontia refers to abnormally large teeth.

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  • 38. 

    The tooth that is bigger than normal is called?

    • Marcrodontia

    • Hypodontia

    • Hyperdontia

    • Microdontia

    Correct Answer
    A. Marcrodontia
    Explanation
    The term "Marcrodontia" refers to a tooth that is larger than normal in size. This condition can occur due to various factors such as genetics or developmental abnormalities. Hypodontia refers to the condition where a person is missing one or more teeth. Hyperdontia refers to the presence of extra teeth in the mouth. Microdontia refers to a tooth that is smaller than normal. Therefore, the correct answer is Marcrodontia as it specifically relates to a tooth that is bigger than normal.

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  • 39. 

    On the X-Ray of the patient 14 years old show that the root of tooth 36 and the root of tooth 37 is fused together what do you call for this condition?

    • Concrescene

    • Gimination teeth

    • Fusion teeth

    • Dilaceration teeth

    Correct Answer
    A. Concrescene
    Explanation
    Concrescence is a condition in which two adjacent teeth are fused together by cementum. In this case, the X-Ray shows that the roots of tooth 36 and tooth 37 are fused together, indicating concrescence. This condition can occur due to trauma, crowding, or genetic factors. It can lead to complications during tooth extraction or orthodontic treatment.

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  • 40. 

    On the X-Ray of the patient 12 years old show that the root of tooth 11 is bended what do you call this condition?

    • Dilaceration tooth

    • Fusion tooth

    • Concrescene tooth

    • Taurodontism

    Correct Answer
    A. Dilaceration tooth
    Explanation
    Dilaceration tooth refers to a condition where the root of a tooth is bent or curved abnormally. In this case, the X-Ray of a 12-year-old patient shows that the root of tooth 11 is bent, indicating dilaceration. This condition can occur due to trauma or abnormal development of the tooth. It can cause complications during tooth extraction or orthodontic treatment.

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  • 41. 

    Talon cusp usually seen on ?

    • Cingulum of lateral incisor

    • Cingulum of central incisor

    • Lingual of canine

    • All the above

    Correct Answer
    A. Cingulum of lateral incisor
    Explanation
    Talon cusp is a dental anomaly characterized by an extra cusp-like structure on the lingual surface of a tooth. It is most commonly seen on the cingulum of the lateral incisor. The cingulum is a raised, rounded area on the lingual surface of a tooth, and it is more prominent on the lateral incisor compared to the central incisor. Talon cusp can also rarely occur on the lingual surface of the canine. Therefore, the correct answer is "Cingulum of lateral incisor."

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  • 42. 

    On the x-ray of the patient 12 years old show that tooth #36 have large pulp chamber and furcation have only a few mm long. What do you call this case?

    • Taurodontism

    • Fusion teeth

    • Gimination teeth

    • Concrescence

    Correct Answer
    A. Taurodontism
    Explanation
    Taurodontism is a condition where the pulp chamber of a tooth is enlarged and the furcation, which is the area where the roots of the tooth separate, is shorter than normal. This condition is commonly seen in patients with certain genetic disorders or syndromes.

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  • 43. 

    The cause of Taurodontism is?

    • All of above

    • Oral-facial-digital-syndrome

    • Amelogenesis Imperfecta-type IV

    • Down syndrome

    Correct Answer
    A. All of above
    Explanation
    Taurodontism is a dental condition characterized by an elongated pulp chamber and short roots. It can be caused by various factors, including oral-facial-digital syndrome, which is a genetic disorder affecting the development of the oral cavity, face, and digits. Amelogenesis Imperfecta-type IV, a hereditary enamel defect, can also lead to taurodontism. Additionally, individuals with Down syndrome, a chromosomal disorder, may exhibit taurodontism as part of their dental abnormalities. Therefore, all of the mentioned conditions can contribute to the development of taurodontism.

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  • 44. 

    The patient 13 years old come to the dental clinic and complain of his teeth has bad color ( yellow, brown, grey) the enamel is soft. What is your diagnosis?

    • Amelogenesis Imperfecta

    • Enamel hypoplasia

    • Fluorosis

    • Dentinogenesis Imperfecta

    Correct Answer
    A. Amelogenesis Imperfecta
    Explanation
    Based on the description provided, the patient's complaint of bad color and soft enamel suggests a condition that affects the development of tooth enamel. Amelogenesis Imperfecta is a genetic disorder that causes abnormal enamel formation, resulting in discolored and weak teeth. Enamel hypoplasia refers to underdevelopment of enamel, but it does not explain the color changes mentioned. Fluorosis is caused by excessive fluoride intake and leads to enamel discoloration, but it does not mention soft enamel. Dentinogenesis Imperfecta affects the dentin layer, not the enamel. Therefore, Amelogenesis Imperfecta is the most likely diagnosis.

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  • 45. 

    Dentinogenesis Imperfecta can cause teeth:?

    • All of above

    • Discolor ( Blue, grey, brown, yellow)

    • Translucent

    • Making teeth prone to rapid wear

    Correct Answer
    A. All of above
    Explanation
    Dentinogenesis Imperfecta is a genetic disorder that affects the development of tooth dentin, leading to various dental problems. It can cause teeth to have a discolored appearance, with shades of blue, grey, brown, or yellow. Additionally, the condition can make teeth translucent, giving them a glass-like appearance. Due to the abnormal development of dentin, the teeth become weak and prone to rapid wear, making them more susceptible to damage and decay. Therefore, all of the mentioned options are correct outcomes of Dentinogenesis Imperfecta.

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  • 46. 

    Teeth that early obliteration of root canal and pulp chamber is seen in?

    • Dentinogenesis Imperfecta

    • Amelogenesis Imperfecta

    • Dentin dysplasia

    • Dentin hypocalcification

    Correct Answer
    A. Dentinogenesis Imperfecta
    Explanation
    Dentinogenesis Imperfecta is a hereditary disorder that affects the development of dentin, the hard tissue that makes up the majority of a tooth. In this condition, the root canal and pulp chamber of the tooth are prematurely obliterated, meaning they are filled or closed off before they should be. This can lead to weakened teeth that are more prone to fractures and dental problems. Dentinogenesis Imperfecta is often characterized by discolored, translucent teeth that are prone to wear and tear.

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  • 47. 

    Dentin dysplasia is cause from?

    • Genetic disorder

    • Traumatic

    • Overdose of fluoride

    • Dental caries

    Correct Answer
    A. Genetic disorder
    Explanation
    Dentin dysplasia is caused by a genetic disorder. This means that it is a condition that is inherited from one or both parents. It is not caused by trauma, an overdose of fluoride, or dental caries. Genetic disorders are caused by changes or mutations in genes, which can affect the development and function of various body systems. In the case of dentin dysplasia, there is a defect in the development of dentin, which is the hard tissue that makes up the majority of a tooth.

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  • 48. 

    In the dentin dysplasia premature tooth loss may occur because of?

    • Short root

    • Gingivitis

    • Periodontitis

    • Chronic pulpitis

    Correct Answer
    A. Short root
    Explanation
    In dentin dysplasia, premature tooth loss may occur due to short root. Dentin dysplasia is a genetic disorder that affects the development of dentin, the hard tissue that forms the majority of the tooth structure. Short root is a common characteristic of dentin dysplasia, where the roots of the teeth are underdeveloped and shorter than normal. This can lead to instability and weakness in the teeth, making them more prone to premature loss.

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  • 49. 

    Dentin dysplasia type II (coronal type) show?

    • All of above

    • Color of primary dentition is opalescent

    • Coronal pulp are usually large

    • Root of primary teeth are very short

    Correct Answer
    A. All of above
    Explanation
    The correct answer is all of the above. Dentin dysplasia type II (coronal type) is a rare genetic disorder that affects the development of dentin, the hard tissue that makes up the majority of a tooth. This condition can cause various dental abnormalities, including opalescent color of primary dentition, large coronal pulp, and short roots of primary teeth. Therefore, all of the given options are characteristic features of dentin dysplasia type II.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
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  • Mar 05, 2019
    Quiz Created by
    Uhsdental

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