154 Periodontalogy- Prof. Sok Chea

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  • 1/154 Questions

    We need to consider which of the following in the treatment of refractory periodontal disease :?

    • Surgery
    • Antibiotic
    • Systemic health
    • Mechanical debridement
    • All of the above
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Periodontology Quizzes & Trivia
About This Quiz

This quiz, titled '154 periodontalogy- prof. Sok Chea', assesses knowledge in periodontology, focusing on treatments for periodontal diseases, indications for surgical procedures, and management strategies for chronic conditions. It is designed for dental professionals seeking to enhance their clinical skills.


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  • 2. 

    In an adult patient with chronic adult periodontitis the most successful approach to treatment is:?

    • Surgery

    • Extreme initial treatment followed by reviews every year

    • Initial periodontal therapy followed by maintenance therapy alone

    Correct Answer
    A. Initial periodontal therapy followed by maintenance therapy alone
    Explanation
    The most successful approach to treatment for an adult patient with chronic adult periodontitis is initial periodontal therapy followed by maintenance therapy alone. This approach involves an initial deep cleaning and scaling of the teeth and gums to remove plaque and tartar buildup. After this initial treatment, regular maintenance therapy, including professional cleanings and proper oral hygiene practices, is crucial to prevent further progression of the disease and maintain the health of the gums and teeth. Surgery may be necessary in some cases, but it is not the most successful approach for all patients.

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  • 3. 

    In an adult patient with chronic adult periodontitis the most successful approach to treatment is?

    • Surgery

    • Extreme initial treatment followed by reviews every year

    • Initial periodontal therapy followed by maintenance therapy alone

    Correct Answer
    A. Initial periodontal therapy followed by maintenance therapy alone
    Explanation
    The most successful approach to treatment for an adult patient with chronic adult periodontitis is initial periodontal therapy followed by maintenance therapy alone. This approach involves a thorough initial treatment to remove plaque and calculus, followed by regular maintenance visits to prevent the recurrence of periodontal disease. This approach has been shown to effectively control the progression of periodontitis and maintain periodontal health in the long term. Surgery and extreme initial treatment followed by yearly reviews may be considered in more severe cases, but the initial periodontal therapy followed by maintenance therapy alone is the most successful approach in general.

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  • 4. 

    Modified Widman Flap was first introduce by ?

    • Neuman in 1920

    • Widman in 1918

    • Ramfiord and Widman in 1974

    • Ramfiord and Neuman in 1945

    • Ramfiord and Nissele in 1974

    Correct Answer
    A. Ramfiord and Nissele in 1974
  • 5. 

    All the following are phases of periodontal treatment plan except: ?

    • Surgical phase

    • Maintenance phase

    • Non-surgical phase

    • Refractory phase

    Correct Answer
    A. Refractory phase
    Explanation
    The refractory phase is not a phase of periodontal treatment plan. The surgical phase involves surgical procedures to treat periodontal disease, while the non-surgical phase includes non-invasive treatments such as scaling and root planing. The maintenance phase focuses on regular check-ups and cleanings to prevent further progression of the disease. However, the refractory phase is not a recognized phase in periodontal treatment and is therefore not included in the options.

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  • 6. 

    During an acute gingival inflammation response, which of the following cell types can destroy virulent bacteria by phagocytosis and T-cell mediation?

    • Plasma cells

    • Mast cells and Polymorphonuclear

    • Limphocytes

    • Macraphage

    Correct Answer
    A. Macraphage
    Explanation
    Macrophages are a type of white blood cell that play a crucial role in the immune response. During acute gingival inflammation, macrophages can destroy virulent bacteria through phagocytosis, which is the process of engulfing and digesting pathogens. Additionally, macrophages can also mediate the immune response through T-cell activation, further aiding in the destruction of bacteria. Therefore, macrophages are an important cell type involved in the defense against virulent bacteria during acute gingival inflammation.

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  • 7. 

    Gracey curretes used to scale distal surface of posterior teeth are ?

    • Gracey curretes 1/2, 3/4 and 11/12

    • Gracey curretes 11/12, 13/14 and 5/6

    • Gracey curretes 7/8 and 9/10

    • Gracey curretes 13/14

    Correct Answer
    A. Gracey curretes 13/14
    Explanation
    Gracey curretes 13/14 are used to scale the distal surface of posterior teeth.

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  • 8. 

    Gracey curretes used to scale mesial surface of posterior teeth are : ?

    • Gracey curretes 1/2, 3/4 and 11/12

    • Gracey curretes 11/12, 13/14 and 5/6

    • Gracey curretes 7/8 and 9/10

    • Gracey curretes 11/12

    Correct Answer
    A. Gracey curretes 11/12
    Explanation
    The correct answer is Gracey curretes 11/12. Gracey curretes are dental instruments used for scaling and root planing. Each Gracey curette has a specific design and is used for different surfaces of teeth. In this case, the mesial surface of posterior teeth is being scaled, and the only curette listed that is designed for this purpose is the Gracey curette 11/12.

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  • 9. 

    Periodontal attachment loss detect clinically: ?

    • When there is recession only.

    • When there is radiographic alveolar bone loss.

    • When there is true pocket only.

    • When there is recession and/or true pocket.

    Correct Answer
    A. When there is recession and/or true pocket.
    Explanation
    The correct answer is "When there is recession and/or true pocket." Periodontal attachment loss can be detected clinically when there is either recession or a true pocket present. Recession refers to the exposure of the root surface due to the loss of gum tissue, while a true pocket is a deepening of the gum pocket around the tooth. Both of these conditions indicate a loss of attachment between the tooth and the surrounding tissues, which can be assessed during a clinical examination.

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  • 10. 

    60 years diabetic patient, present clinically with periodontal attachment loss and diagnosed as having periodontitis. According to AAP 1999 classification of periodontal diseases, the type of periodontitis in this case is: ?

    • Aggressive periodontitis.

    • Chronic periodontitis modified by systemic condition.

    • Periodontitis as a manifestation of systemic disease

    Correct Answer
    A. Periodontitis as a manifestation of systemic disease
    Explanation
    Based on the given information, the patient is a 60-year-old diabetic with periodontal attachment loss. This suggests that the periodontitis is a manifestation of their systemic disease (diabetes). This is because diabetes is known to increase the risk and severity of periodontal disease. Therefore, the correct answer is "Periodontitis as a manifestation of systemic disease."

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  • 11. 

    Subgingival curettage should provide favourable results in?

    • Fibrotic gingivitis

    • Infrabony pockets

    • None of the above

    • Oedematous gingivitis

    Correct Answer
    A. Oedematous gingivitis
    Explanation
    Subgingival curettage involves removing the infected tissue and debris from the area below the gum line. It is an effective treatment for oedematous gingivitis, which is characterized by swollen and inflamed gums due to poor oral hygiene. By removing the infected tissue, subgingival curettage can help reduce inflammation, promote healing, and improve the overall health of the gums. However, it may not be as effective in treating fibrotic gingivitis or infrabony pockets, which may require additional treatments such as surgery or periodontal therapy.

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  • 12. 

    Which of the incisions is not followed in periodontal flap surgeries?

    • Crevicular

    • Interdental

    • Internal bevel

    • External bevel

    Correct Answer
    A. External bevel
    Explanation
    Periodontal flap surgeries involve making incisions in the gum tissue to gain access to the underlying structures. Crevicular, interdental, and internal bevel incisions are commonly used in these surgeries. However, the external bevel incision is not followed in periodontal flap surgeries. This type of incision involves making a beveled cut on the external surface of the gum tissue, which is not typically done in periodontal flap surgeries.

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  • 13. 

    Subepithelial connective tissue graft was described by?

    • Steven Kwall

    • Sullivan and Atkins

    • Edel

    • Langer and Langer

    Correct Answer
    A. Langer and Langer
    Explanation
    The correct answer is Langer and Langer. The subepithelial connective tissue graft technique was described by Langer and Langer. This technique involves taking a graft of connective tissue from an area near the tooth and placing it underneath the gum tissue to replace lost or damaged gum tissue. Langer and Langer were the first to describe this technique, which has since become a common method in periodontal surgery.

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  • 14. 

    Biobrane is a commercially available?

    • Root matrix protein

    • Bone graft material

    • Non-bone graft material

    • Biodegradable membrane

    Correct Answer
    A. Biodegradable membrane
    Explanation
    Biobrane is a commercially available biodegradable membrane. It is a type of synthetic wound dressing that is used to cover and protect burns and other types of skin injuries. The membrane is made from a combination of silicone and a nylon mesh, which allows it to adhere to the wound and provide a barrier against infection while still allowing the skin to breathe. Biobrane is widely used in hospitals and clinics as a temporary dressing for burn patients, and it is eventually absorbed by the body as the wound heals.

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  • 15. 

    The primary aetiologic factor in the development of furcation defect is?

    • Calculus

    • Cemental caries

    • Root infection

    • Plaque

    Correct Answer
    A. Plaque
    Explanation
    Plaque is the correct answer because it is the main cause of furcation defects. Plaque is a sticky film that forms on teeth and contains bacteria. If plaque is not removed through proper oral hygiene practices, it can lead to gum inflammation and infection. Over time, this can cause damage to the supporting structures of the teeth, including the furcation area where the roots of multi-rooted teeth meet. This can result in furcation defects, which can lead to further complications such as tooth mobility and tooth loss.

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  • 16. 

    What is the most advantage of full thickness flap when compared to a partial thickness flap?

    • Easier to do flap raising

    • Less chance of flap laceration

    • Easier to suture

    • Cortical bone is exposed

    Correct Answer
    A. Cortical bone is exposed
    Explanation
    The most advantage of a full thickness flap compared to a partial thickness flap is that it exposes the cortical bone. This is beneficial because it allows for better visualization and access to the underlying bone, which can be important for certain surgical procedures or treatments.

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  • 17. 

    What are advantages of a positive knot when compared to a negative knot?

    • No memory

    • Hold the not better

    • Hold the not for longer

    • Better wound closer

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    A positive knot has several advantages over a negative knot. Firstly, it has no memory, meaning it does not retain any previous shape or form. This makes it easier to tie and untie without any complications. Secondly, a positive knot holds the knot better, ensuring that it stays in place and does not come undone easily. Additionally, it can hold the knot for a longer period of time, providing more durability and reliability. Lastly, a positive knot creates a better wound closer, ensuring that the wound is properly sealed and reducing the risk of infection. Therefore, all of the above advantages make a positive knot preferable over a negative knot.

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  • 18. 

    Where should releasing incisions be placed?

    • Over roots

    • In the middle of a papillae

    • Over the mental foramen

    • At the mid aspect of the root

    • Always at the line angles

    Correct Answer
    A. Always at the line angles
  • 19. 

    What is the crown-to-root ratio in a healthy dentition?

    • As a general rule, the crown-to-root ratio in a healthy dentition is 1:1 (for each tooth).

    • As a general rule, the crown-to-root ratio in a healthy dentition is 2:1 (for each tooth).

    • As a general rule, the crown-to-root ratio in a healthy dentition is 1:3 (for each tooth).

    • As a general rule, the crown-to-root ratio in a healthy dentition is 1:2 (for each tooth).

    Correct Answer
    A. As a general rule, the crown-to-root ratio in a healthy dentition is 1:2 (for each tooth).
    Explanation
    The crown-to-root ratio in a healthy dentition refers to the proportion between the visible part of the tooth (the crown) and the part that is embedded in the jawbone (the root). A 1:2 crown-to-root ratio means that the length of the root is twice the length of the crown. This ratio is considered ideal for maintaining the stability and support of the tooth within the jawbone, ensuring proper function and longevity of the tooth.

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  • 20. 

    Which blades can be considered standard in dentistry?

    • 1 and 3

    • 16 and 24

    • 5 and 9

    • None of the above

    • 15 and 11

    Correct Answer
    A. 15 and 11
  • 21. 

    Which suture material is commonly used in dentistry?

    • Seralon 8.0

    • Silk 1.0

    • Vicryl 1.0

    • Vicryl 10.0

    • Silk 3.0

    Correct Answer
    A. Silk 3.0
    Explanation
    Silk 3.0 is commonly used as a suture material in dentistry. Sutures are used to close wounds after dental procedures, and silk is a popular choice due to its strength, flexibility, and biocompatibility. The number 3.0 refers to the size of the suture, with smaller numbers indicating a thicker suture. In dentistry, a thicker suture like Silk 3.0 is often used for suturing soft tissues in the oral cavity.

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  • 22. 

    The Lingual nerve ?

    • Can never be hurt during dental procedure

    • Is important for the mobility of the tongue

    • Is a branch of the mental nerve

    • Is very sturdy and recovers quickly from injury

    • Can easily be injured when cutting too lingually in the molar area

    Correct Answer
    A. Can easily be injured when cutting too lingually in the molar area
    Explanation
    The correct answer is "Can easily be injured when cutting too lingually in the molar area." The lingual nerve is a branch of the mandibular division of the trigeminal nerve and provides sensory innervation to the tongue. It runs along the lingual aspect of the mandible, close to the lingual surface of the molars. Therefore, when performing dental procedures in the molar area, there is a risk of injuring the lingual nerve if the cut is made too lingually.

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  • 23. 

    Acellular dermal grafts work best when they are completely submerged beneath a mucoperiosteal flap during healing. ?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Acellular dermal grafts are most effective when they are fully covered by a mucoperiosteal flap during the healing process. This ensures that the graft remains protected and undisturbed, allowing for proper integration and optimal healing. By being submerged beneath the flap, the graft is shielded from external forces and can successfully regenerate and integrate with the surrounding tissues. Therefore, the statement "Acellular dermal grafts work best when they are completely submerged beneath a mucoperiosteal flap during healing" is true.

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  • 24. 

    Which of the following is NOT a function of a provisional restoration ?

    • It communicates the desired gingival margin to the surgeon

    • It allows the patient to evaluate esthetics

    • It allows the patient to evaluate phonetics

    • It may acts as a permanent restoration

    Correct Answer
    A. It may acts as a permanent restoration
    Explanation
    A provisional restoration is a temporary restoration that is placed in the mouth while a permanent restoration is being fabricated. It is used to communicate the desired gingival margin to the surgeon, allowing them to shape the gum tissue accordingly. It also allows the patient to evaluate the esthetics of the final restoration and assess how it affects their speech (phonetics). However, a provisional restoration is not intended to act as a permanent restoration as it is not as durable or long-lasting.

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  • 25. 

    Autografts refer to ?

    • The transplantation of tissue from one individual to a different individual

    • The transplantation of tissue from an animal to an individual

    • The transplantation of tissue from one individual to the same individual

    Correct Answer
    A. The transplantation of tissue from one individual to the same individual
    Explanation
    Autografts refer to the transplantation of tissue from one individual to the same individual. Autografts are considered the ideal type of graft because they have a lower risk of rejection compared to grafts from another individual or an animal. This is because autografts use the individual's own tissue, which is genetically identical and therefore less likely to be recognized as foreign by the immune system. Autografts are commonly used in procedures such as skin grafts, bone grafts, and organ transplants.

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  • 26. 

    For human patients, all of these could be sources of xenografts except?

    • Pigs

    • Cows

    • Horses

    • Humans

    Correct Answer
    A. Humans
    Explanation
    Xenografts refer to the transplantation of living cells, tissues, or organs from one species to another. In the context of human patients, xenografts can be obtained from animals such as pigs, cows, and horses. However, humans cannot be a source of xenografts as it would involve transplanting tissues or organs from one human to another, which is known as an allograft. Therefore, humans are not a viable source of xenografts for human patients.

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  • 27. 

    We need to consider which of the following in the treatment of refractory periodontal disease ?

    • Surgery

    • Antibiotic

    • Systemic health

    • Mechanical debridement

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    In the treatment of refractory periodontal disease, it is important to consider all of the options mentioned. Surgery may be necessary to remove deep pockets or correct gum recession. Antibiotics can be used to control infection and inflammation. Systemic health plays a role as certain medical conditions can contribute to periodontal disease. Mechanical debridement, such as scaling and root planing, is essential for removing plaque and tartar buildup. Therefore, all of the above factors should be taken into account for effective treatment of refractory periodontal disease.

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  • 28. 

    In terms of the treatment of the adult periodontitis patients: ?

    • The use of surgery in the treatment regimen is essential

    • The use of antibiotics in the treatment regimen is essential

    • The combined use of surgery and antibiotics proves increasingly effective in the treatment of these patients

    • All adult periodontitis patients can be treated successfully with scaling and root cleaning with or without surgery or antibiotic

    Correct Answer
    A. All adult periodontitis patients can be treated successfully with scaling and root cleaning with or without surgery or antibiotic
  • 29. 

    Pre-operative preparation of exposed roots following gingival recession can be accomplished using substances such as EDTA or Tetracycline paste, for what period of time must this be applied to the root surface?

    • 1mm

    • 2mm

    • 4mm

    • 5mm

    • 3mm

    Correct Answer
    A. 3mm
    Explanation
    The correct answer is 3mm because the question asks for the period of time that substances like EDTA or Tetracycline paste should be applied to the root surface. The answer options provided are measurements of millimeters, which suggests that the question is asking for the depth or extent of application. Therefore, the correct answer is 3mm, indicating that the substances should be applied to the root surface for a depth of 3 millimeters.

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  • 30. 

    The following substance(s) can be used to condition the root surface prior to grafting?

    • EDTA

    • Tetracycline

    • Acidic acid

    • Nitric acid

    • EDTA, Tetracycline and Citric acid

    Correct Answer
    A. EDTA, Tetracycline and Citric acid
    Explanation
    EDTA, Tetracycline, and Citric acid can be used to condition the root surface prior to grafting. EDTA is a chelating agent that helps remove the smear layer and expose dentinal tubules. Tetracycline is an antibiotic that can help control bacterial contamination. Citric acid is an acid that can remove the smear layer and promote adhesion. Using these substances together can effectively prepare the root surface for grafting by cleaning and disinfecting it.

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  • 31. 

    Apical position flap was first introduced by ?

    • Neuman in 1918

    • Kirkland, O. in 1920

    • Nebers, Neuman in 1954

    • Nebers, C.L in 1954

    Correct Answer
    A. Nebers, C.L in 1954
  • 32. 

    Papilla preservation flap was first introduced by ?

    • Kirkland, O. in 1985

    • Friedman and Neuman in 1985

    • Neuman and Arjaudo, a.a & Tyrell in 1985

    • Takei, H,H in 1985

    Correct Answer
    A. Takei, H,H in 1985
    Explanation
    Takei, H,H introduced the papilla preservation flap in 1985.

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  • 33. 

    Necrotizing ulcerative periodontitis ?

    • Is associated with deep periodontal pocket

    • Is not responsive to any therapy

    • Leads to gingival recession due to faulty tooth brushing

    • Is associated with crater like depression at the tip of interdental papilla and vesicle formation

    Correct Answer
    A. Is associated with crater like depression at the tip of interdental papilla and vesicle formation
    Explanation
    The correct answer is "Is associated with crater like depression at the tip of interdental papilla and vesicle formation." Necrotizing ulcerative periodontitis is a severe form of periodontal disease characterized by tissue necrosis and ulceration. It is commonly associated with a depression or "crater" at the tip of the interdental papilla, as well as the formation of vesicles. This condition is often painful and can lead to the destruction of periodontal tissues if left untreated.

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  • 34. 

    In the present of abundant plaque formation hyperplastic gingivitis can be associated with which of the following?

    • Cyclosporine

    • Procardia

    • Pregnancy

    • Phenytoin

    • All of them

    Correct Answer
    A. All of them
    Explanation
    Hyperplastic gingivitis can be associated with all of the given options. Cyclosporine, Procardia, pregnancy, and phenytoin are all known to contribute to the development of hyperplastic gingivitis. Cyclosporine is an immunosuppressant drug that can cause gingival overgrowth. Procardia, a calcium channel blocker, has also been associated with gingival enlargement. Pregnancy hormones can lead to increased blood flow and inflammation in the gums, resulting in gingivitis. Phenytoin, an anticonvulsant medication, can cause gingival overgrowth as a side effect. Therefore, all of the given options can be associated with hyperplastic gingivitis.

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  • 35. 

    In Periodontal disease, loss of which of the following fiber bundles are primarily associated in preventing the progressive downward proliferation of the junctional epithelium into the periodontal ligament and alveolar bone ?

    • Circular fiber

    • Interradicular fiber

    • Alveolar gingival fiber

    • Transseptal fiber

    Correct Answer
    A. Transseptal fiber
    Explanation
    Transseptal fibers are primarily associated with preventing the progressive downward proliferation of the junctional epithelium into the periodontal ligament and alveolar bone in Periodontal disease. These fibers run horizontally across the interdental septum and connect the cementum of one tooth to the cementum of the adjacent tooth. They help to maintain the integrity and stability of the periodontal tissues, preventing the spread of infection and the progression of the disease.

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  • 36. 

    The mobility of the teeth is graded 3 if : ?

    • The mobility is 1mm

    • The mobility is in apico-occlusal direction and 1mm in labio-lingual direction

    • The mobility is in apico-occlusal direction and mobility is less than 1mm in labio-lingual direction

    • The mobility is less than 1mm

    • The mobility is in apico-occlusal direction and mobility in labio-lingual direction is more than 2mm

    Correct Answer
    A. The mobility is in apico-occlusal direction and mobility in labio-lingual direction is more than 2mm
  • 37. 

    Furcation involvement is measure by: ?

    • WHO probe

    • CPITN probe

    • Michigan “O” probe

    • Periodontal explorer

    • Naber’s probe

    Correct Answer
    A. Naber’s probe
    Explanation
    Furcation involvement refers to the extent to which the roots of multi-rooted teeth are affected by periodontal disease. Naber's probe is specifically designed to assess furcation involvement by measuring the depth and width of furcation defects. The other probes mentioned, such as the WHO probe, CPITN probe, Michigan "O" probe, and periodontal explorer, are not specifically designed for this purpose and may not provide accurate measurements of furcation involvement. Therefore, Naber's probe is the most appropriate tool for measuring furcation involvement.

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  • 38. 

    16 years boy, present clinically with attachment loss related to 1st Molars and Incisors only. Diagnosis of this case according to AAP 1999 periodontal diseases Classification is: ?

    • Generalizedaggressiveperiodontitis.

    • Generalized juvenile periodontitis.

    • Localized juvenile periodontitis.

    • Localized aggressive periodontitis.

    Correct Answer
    A. Localized aggressive periodontitis.
    Explanation
    Based on the given information, the correct diagnosis for this case according to the AAP 1999 periodontal diseases Classification is localized aggressive periodontitis. This is because the attachment loss is only related to the 1st molars and incisors, and it is localized to specific areas rather than being generalized throughout the mouth.

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  • 39. 

    Planning of periodontal surgery best accomplished at: ?

    • Phase I therapy.

    • AfterphaseItherapyandbeforere-evaluation.

    • Can be planned at any phase of periodontal therapy.

    • After phase I therapy and during re-evaluation visit.

    Correct Answer
    A. After phase I therapy and during re-evaluation visit.
    Explanation
    The best time to plan periodontal surgery is after phase I therapy and during the re-evaluation visit. This is because phase I therapy involves initial treatment to control the infection and inflammation in the gums, which sets the foundation for further treatment. During the re-evaluation visit, the dentist or periodontist can assess the effectiveness of phase I therapy and determine if surgery is necessary. Planning the surgery at this stage ensures that the patient's oral health has improved and that the surgery will be more successful.

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  • 40. 

    Most commonly used periodontal pack is/are: ?

    • Zinc oxide Eugenol pack.

    • Non Eugenol pack.

    • Coe-Pack.

    • Non Eugenol pack and Coe-Pack.

    Correct Answer
    A. Non Eugenol pack and Coe-Pack.
    Explanation
    The most commonly used periodontal pack includes both the Non Eugenol pack and Coe-Pack. These packs are used in periodontal procedures to promote healing and protect the surgical site. Non Eugenol packs are preferred for patients who are allergic to eugenol, while Coe-Pack is a versatile pack that can be used for various dental procedures. By using both packs, dental professionals have the flexibility to cater to different patient needs and ensure successful healing after periodontal surgeries.

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  • 41. 

    On human jaws there are anatomical areas which can be used as a source for bone graft harvest for periodontal regenerative surgical procedure, of those areas is/are: ?

    • Premaxilla.

    • MaxillaryTubersity.

    • External oblique ridge of the mandible.

    • Maxillary Tubersity and External oblique ridge of the mandible.

    Correct Answer
    A. Maxillary Tubersity and External oblique ridge of the mandible.
    Explanation
    The maxillary tuberosity and external oblique ridge of the mandible are both anatomical areas that can be used as a source for bone graft harvest for periodontal regenerative surgical procedures. These areas provide sufficient bone volume and density to support the regeneration of periodontal tissues.

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  • 42. 

    Adult patient present clinically with irregular thickness of buccal gingiva, a round diamond bur used to correct and establish a physiological gingival contour. The type of this procedure is/are:?

    • Gingivectomy.

    • Combined gingivoplasty & gingivectomy.

    • None of the above.

    • Gingivoplasty.

    Correct Answer
    A. Gingivoplasty.
    Explanation
    The correct answer is Gingivoplasty. Gingivoplasty is a surgical procedure performed to reshape and contour the gingiva. In this case, the irregular thickness of the buccal gingiva is being corrected using a round diamond bur, which is a common tool used in gingivoplasty procedures. Gingivectomy, on the other hand, involves the removal of gum tissue, and combined gingivoplasty and gingivectomy refers to a combination of both procedures. None of these options accurately describe the procedure being performed in this scenario.

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  • 43. 

    Curettage comes under?

    • Phase-II

    • Phase-Ill

    • Phase-IV

    • Phase-1

    Correct Answer
    A. Phase-1
    Explanation
    Curettage is a surgical procedure that involves scraping or scooping out tissue from the lining of a body cavity or a wound. It is commonly used in gynecology, dermatology, and dentistry. In the context of the question, the term "Phase-1" refers to the initial phase or stage of a medical treatment or clinical trial. Therefore, the correct answer is Phase-1, as curettage is typically performed as a part of the initial treatment or evaluation process.

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  • 44. 

    A patient returned on week after scaling and prophylaxis. Hard black deposits of calculus are noted in gingival margin. This indicates?

    • Patient is a heavy tea drinker

    • Poor maintenance and formation of new calculus

    • Blood clots which are not removed from tooth surface

    • Shrinkage of tissue due to reduction in inflammation after scaling

    Correct Answer
    A. Shrinkage of tissue due to reduction in inflammation after scaling
    Explanation
    The presence of hard black deposits of calculus in the gingival margin one week after scaling and prophylaxis suggests that there has been a reduction in inflammation after the procedure. This reduction in inflammation can cause the gingival tissue to shrink, making the calculus more visible. This explanation is supported by the fact that the other options (heavy tea drinking, poor maintenance and formation of new calculus, and blood clots not being removed) do not directly explain the presence of hard black deposits of calculus in the gingival margin.

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  • 45. 

    The only valid method to assess periodontal regeneration is?

    • Radiographic analysis

    • Clinical attachment level

    • Reentry operation

    • Histologic analysis

    Correct Answer
    A. Histologic analysis
    Explanation
    Histologic analysis is the only valid method to assess periodontal regeneration because it involves the microscopic examination of tissue samples. This allows for a detailed evaluation of the quality and quantity of regenerated periodontal tissues, including the formation of new bone, cementum, and periodontal ligament. Radiographic analysis can provide information about bone levels, but it cannot differentiate between newly formed and existing bone. Clinical attachment level measures the distance between the base of the pocket and the cemento-enamel junction, but it does not provide information about the quality of regenerated tissues. Reentry operation involves surgical access to evaluate the healing process, but it is invasive and may disrupt the newly formed tissues. Therefore, histologic analysis is the most accurate and reliable method to assess periodontal regeneration.

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  • 46. 

    What is the most common indication for Coronally Positioned Flap?

    • Ridge augmentation

    • Primary wound closer

    • Secondary would closer

    • Non of the above

    • Root coverage

    Correct Answer
    A. Root coverage
    Explanation
    The most common indication for a Coronally Positioned Flap is root coverage. This surgical technique is commonly used in periodontal therapy to treat gingival recession and expose more of the tooth's root surface. By repositioning the gum tissue, the flap helps to cover and protect the exposed root, improving aesthetics and reducing sensitivity.

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  • 47. 

    What kind of tissues should compose of Full Thickness Flap?

    • Epithelium, Connective Tissue

    • Epithelium only

    • Periosteum only

    • Connective Tissue, and Periosteum

    • Epithelium, Connective Tissue, and Periosteum

    Correct Answer
    A. Epithelium, Connective Tissue, and Periosteum
    Explanation
    A full thickness flap should consist of epithelium, connective tissue, and periosteum. This is because a full thickness flap is a surgical technique used in procedures such as skin grafts or flap reconstructions, where a piece of tissue is completely detached from its blood supply and moved to another location. In order for the flap to survive and heal properly, it requires all layers of tissue including the outermost layer of epithelium, the underlying connective tissue, and the periosteum which is the specialized connective tissue covering the bones.

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  • 48. 

    What is (are) the most important anatomical structures to be respected during surgery?

    • Mental foramen

    • Greater palatine foramen and neuromuscular bundle

    • Incisive foramen

    • Lingual artery and nerve

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    During surgery, it is crucial to respect and be aware of the important anatomical structures to avoid any potential complications. The mental foramen is a vital structure located in the mandible, through which the mental nerve and vessels pass. The greater palatine foramen and neuromuscular bundle are significant structures in the hard palate, responsible for sensory innervation. The incisive foramen is an anatomical landmark in the maxilla, where the nasopalatine nerve passes through. Lastly, the lingual artery and nerve are essential structures in the tongue that need to be respected during surgery. Therefore, all of the above structures are crucial and should be considered during surgical procedures.

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  • 49. 

    Which bony defect is most likely to repair or fill naturally after treatment?

    • Two wall periodontal defects

    • One wall Periodontal defects

    • All above are repaired or filled naturally after treatment

    • Three-wall periodontal defects

    Correct Answer
    A. Three-wall periodontal defects
    Explanation
    Three-wall periodontal defects are most likely to repair or fill naturally after treatment. This is because three-wall defects have better blood supply and a more favorable environment for bone regeneration compared to two-wall or one-wall defects. The presence of three walls provides better stability and support for the regeneration process, allowing for natural healing and filling of the defect.

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Quiz Review Timeline (Updated): Mar 15, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 15, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 06, 2020
    Quiz Created by
    Vuth
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