Pediatric Dentistry II 4dd Dr.Soun Monika & Dr.Sok Kunthy 200qcm
.
Questions and Answers
- 1.
Eruption of upper first premolar begins:?
- A.
10 – 11 Years
- B.
8 – 9 Years
- C.
11 – 12 Years
- D.
10 – 12 Years
- E.
12 – 13 Years
Correct Answer
A. 10 – 11 YearsExplanation
The eruption of the upper first premolar typically occurs between the ages of 10 and 11 years. This is a normal developmental milestone in the growth of permanent teeth. The timing of tooth eruption can vary slightly from person to person, but the range of 10-11 years is generally considered average.Rate this question:
-
- 2.
The primary teeth should be cleaned:?
- A.
After the 1st teeth erupted
- B.
After the primary teeth are erupted
- C.
In the mixed dentition
- D.
After the full dentition
Correct Answer
A. After the 1st teeth eruptedExplanation
The correct answer is "After the 1st teeth erupted." This means that the primary teeth, also known as baby teeth, should be cleaned once they have started to come through the gums. This is important for maintaining good oral hygiene and preventing tooth decay and other dental problems. It is recommended to start cleaning a baby's teeth as soon as the first tooth appears, using a soft toothbrush and water or a small amount of toothpaste specifically designed for young children.Rate this question:
-
- 3.
The most durable of dental material filling is:?
- A.
Amalgam
- B.
Composite
- C.
Glass ionomer
- D.
Resin modified glass ionomer
- E.
Intermediate restorative material (IRM)
Correct Answer
A. AmalgamExplanation
Amalgam is the most durable dental material filling because it is made of a combination of metals, including silver, tin, and copper, which makes it strong and resistant to wear and tear. It has been used for decades and has a proven track record of longevity and durability. Amalgam fillings can withstand the forces of chewing and can last for many years without needing to be replaced.Rate this question:
-
- 4.
Which dental material has fluoride released?
- A.
Glass ionomer cement
- B.
Amalgam
- C.
Composite resin
- D.
Intermediate restorative material(IRM)
- E.
Fissure sealant
Correct Answer
A. Glass ionomer cementExplanation
Glass ionomer cement is a dental material that releases fluoride. This is because it contains fluoride ions, which are gradually released over time. The fluoride helps to strengthen the tooth enamel and prevent tooth decay. This makes glass ionomer cement a popular choice for filling cavities in children and individuals at high risk for dental caries.Rate this question:
-
- 5.
Fluoride vanish should be wipe on caries lesion of primary teeth:?
- A.
R1
- B.
R2
- C.
R3
- D.
R4
Correct Answer
A. R1Explanation
Fluoride vanish should be wiped on caries lesion of primary teeth because it helps to remineralize and strengthen the enamel, preventing further decay and reducing the risk of cavities. This treatment is especially important for primary teeth, as they are more susceptible to decay and damage. By applying fluoride vanish directly to the caries lesion, it can penetrate the enamel and provide targeted protection and repair.Rate this question:
-
- 6.
Fissures sealant use for: ?
- A.
Sound primary and permanent molars with deep pits and fissures
- B.
Molars with small cavity
- C.
Demineralized area of the teeth
- D.
Cavity with stain on the occlusal surface
Correct Answer
A. Sound primary and permanent molars with deep pits and fissuresExplanation
Fissure sealants are used to protect sound primary and permanent molars with deep pits and fissures. These deep grooves on the chewing surfaces of the teeth can easily trap food particles and bacteria, leading to decay. By applying a sealant, a thin protective coating is placed on the tooth surface, preventing the accumulation of plaque and reducing the risk of cavities. This preventive measure is particularly beneficial for molars with deep pits and fissures, as they are more susceptible to decay.Rate this question:
-
- 7.
Minimal Intervention management is:?
- A.
Cavity conserving as much tooth structure as possible
- B.
Cavity extending for prevention
- C.
Cavity designed of G.V.Black
Correct Answer
A. Cavity conserving as much tooth structure as possibleExplanation
Minimal Intervention management refers to a conservative approach in dentistry where the aim is to preserve as much of the natural tooth structure as possible. This approach involves using techniques and materials that minimize the removal of healthy tooth structure while still effectively treating the dental condition. By conserving as much tooth structure as possible, the dentist can ensure the long-term health and integrity of the tooth. This approach is preferred over cavity extending for prevention or designing the cavity based on G.V.Black, as it focuses on preserving the natural tooth rather than making unnecessary modifications.Rate this question:
-
- 8.
Advice to the children about toothbrushing at night:?
- A.
Brushing the teeth with fluoride toothpaste keep it in the mouth for one minute split out but do not rinse before going to bed
- B.
Brush the teeth carefully with fluoride toothpaste after dinner
- C.
Flossing brushing the teeth with toothpaste after eating
Correct Answer
A. Brushing the teeth with fluoride toothpaste keep it in the mouth for one minute split out but do not rinse before going to bedExplanation
The correct answer advises children to brush their teeth with fluoride toothpaste, keep it in their mouth for one minute, spit it out, and not rinse before going to bed. This is because fluoride helps to strengthen the teeth and prevent tooth decay. By not rinsing after brushing, the fluoride from the toothpaste can continue to protect the teeth throughout the night.Rate this question:
-
- 9.
A girl 9 years old had accident on tooth 21 fractured crown with pulp exposed. What treatment do you choose?
- A.
Apexogenesis
- B.
Pulpotomy
- C.
Pulpectomy
- D.
Apexification
- E.
Direct pulp capping
Correct Answer
A. ApexogenesisExplanation
Apexogenesis is the most appropriate treatment for a 9-year-old girl with a fractured crown and exposed pulp on tooth 21. This treatment aims to encourage the natural development and growth of the root by preserving the vitality of the pulp. It involves removing the inflamed pulp tissue, placing a medicament, and allowing the tooth to continue its root development. This option is chosen over other treatments like pulpotomy, pulpectomy, apexification, or direct pulp capping because it is less invasive and has a higher chance of preserving the tooth's vitality.Rate this question:
-
- 10.
Related to the intellectual development which group of children that they start to be cooperated with the dentist:?
- A.
Group of 4 years old
- B.
Group of 2 years old
- C.
Group of 3 years old
- D.
Group of 5 years old
- E.
Group of 6 years old
Correct Answer
A. Group of 4 years oldExplanation
Children typically start to be cooperative with the dentist around the age of 4. At this age, they have developed a certain level of cognitive and social skills that allow them to understand and follow instructions from the dentist. They are also more likely to have better control over their behavior and be able to sit still during dental procedures. Additionally, by the age of 4, children have usually developed a level of trust with their parents and other caregivers, which can help them feel more comfortable and cooperative during dental visits.Rate this question:
-
- 11.
Eruption of primary first molar begins:?
- A.
12months – 16months
- B.
7months – 10months
- C.
6 months – 9months
- D.
16months – 20months
- E.
23months – 30months
Correct Answer
A. 12months – 16monthsExplanation
The eruption of the primary first molar typically begins between 12 months and 16 months of age. This is the time when the tooth starts to emerge from the gum line and become visible in the mouth. It is important for parents and caregivers to be aware of this timeline so they can monitor the child's dental development and seek appropriate dental care if necessary.Rate this question:
-
- 12.
Eruption of primary lateral incisor begins:?
- A.
7months – 10months
- B.
6 months – 9months
- C.
16months – 20months
- D.
12months – 16months
- E.
23months – 30months
Correct Answer
A. 7months – 10monthsExplanation
The eruption of primary lateral incisor typically begins between 7 months and 10 months of age. This is the time when the tooth starts to emerge from the gumline. It is important for parents and caregivers to monitor the baby's oral development during this period and ensure proper oral hygiene practices are followed.Rate this question:
-
- 13.
Bacteria cause tooth decay: ?
- A.
Mutans streptococcus
- B.
Lactobacillus
- C.
Staphylococcus
- D.
Fusiform bateria
- E.
Spirochaetes
Correct Answer
A. Mutans streptococcusExplanation
Mutans streptococcus is the correct answer because it is a type of bacteria that is commonly found in the mouth and is known to be a major contributor to tooth decay. This bacteria produces acids that can erode tooth enamel and lead to the formation of cavities. Additionally, it thrives on sugar and carbohydrates, which further contributes to the development of tooth decay. Therefore, the presence of Mutans streptococcus in the mouth is strongly associated with the occurrence of tooth decay.Rate this question:
-
- 14.
The first teeth affected to Early Childhood Caries:?
- A.
Primary upper incisors
- B.
Primary lower incisors
- C.
Primary upper molars
- D.
Primary lower molars
Correct Answer
A. Primary upper incisorsExplanation
Early Childhood Caries refers to tooth decay that occurs in young children, typically between the ages of 6 months and 6 years. The primary upper incisors are the first teeth to erupt in the mouth, usually around 6-10 months of age. These teeth are more susceptible to decay because they are exposed to food and drinks, including sugary liquids, which can lead to the formation of plaque and bacteria. Additionally, the primary upper incisors are often the most visible teeth, making them more prone to decay due to poor oral hygiene practices.Rate this question:
-
- 15.
Bottle feeding should be changed to cup:?
- A.
After 1 year of age
- B.
At 3 years of age
- C.
At 5 years of age
- D.
After 2 years of age
- E.
After eruption of all the teeth
Correct Answer
A. After 1 year of ageExplanation
Bottle feeding should be changed to cup after 1 year of age because by this age, most children have developed the necessary motor skills to drink from a cup and can start transitioning away from bottle feeding. Additionally, prolonged bottle feeding can lead to dental issues such as tooth decay, so it is recommended to make the switch to a cup around this time.Rate this question:
-
- 16.
Which dental material is shrinkage after filling cavity: ?
- A.
Composite
- B.
Glass ionomer cement
- C.
Amalgam
- D.
Resin sealant
- E.
Protective fissure sealant
Correct Answer
A. CompositeExplanation
Composite is the correct answer because it is a dental material that undergoes shrinkage after filling a cavity. Composite resins are a mixture of synthetic resins and filler materials, and during the curing process, they shrink slightly. This shrinkage can lead to gaps or spaces between the filling and the tooth structure, which may result in sensitivity or recurrent decay if not properly managed. Techniques such as incremental layering and the use of a curing light can help minimize the shrinkage and improve the longevity of the composite filling.Rate this question:
-
- 17.
Pulpotomy for primary teeth should be done on:?
- A.
Carie lesion of inner half of dentin (R4)
- B.
Carie lesion inner half of enamel (R2)
- C.
Carie lesion of outer half of dentin (R3)
- D.
Hyperhemie pulp
- E.
Chronic pulpitis
Correct Answer
A. Carie lesion of inner half of dentin (R4)Explanation
The correct answer is carie lesion of the inner half of dentin (R4). This is because a pulpotomy is a procedure performed on primary teeth to remove the infected or inflamed pulp tissue. When a carie lesion reaches the inner half of the dentin, it indicates that the infection or inflammation has progressed deep into the tooth, making a pulpotomy necessary to preserve the tooth structure and prevent further complications.Rate this question:
-
- 18.
Preventive Resin Restoration (PRR) should be used the dental material as:?
- A.
Composite + Sealant
- B.
Glass ionmer cement
- C.
Composite resin
- D.
Resin sealant
- E.
Intermediate Restorative Material (IRM)
Correct Answer
A. Composite + SealantExplanation
The correct answer is Composite + Sealant. Preventive Resin Restoration (PRR) involves using a combination of composite resin and sealant as the dental material. Composite resin is a tooth-colored material that is used for filling cavities and restoring the natural appearance of teeth. Sealant, on the other hand, is a thin protective coating that is applied to the chewing surfaces of the back teeth to prevent tooth decay. By using a combination of composite resin and sealant, PRR provides both restorative and preventive benefits for the teeth.Rate this question:
-
- 19.
Management of enamel dentine fracture of permanent teeth:?
- A.
Filling with indirect pulp capping
- B.
Pulpotomy
- C.
Pulpectomy
- D.
Filling with direct pulp capping
Correct Answer
A. Filling with indirect pulp cappingExplanation
The correct answer is filling with indirect pulp capping. Indirect pulp capping is a conservative treatment option for managing enamel dentine fractures of permanent teeth. It involves placing a protective layer of dental material over the exposed dentin to promote healing and prevent further damage to the pulp. This approach allows the tooth to maintain its vitality and avoid more invasive procedures such as pulpotomy or pulpectomy, which involve removing the pulp tissue. Filling with direct pulp capping is not recommended as it involves placing a dental material directly on the exposed pulp, which may lead to inflammation or infection.Rate this question:
-
- 20.
A child 8 years old has a large cavity on 36. How to manage this tooth:?
- A.
Extraction
- B.
Apexogenesis
- C.
Apexification
- D.
Temporary filling
- E.
Medication
Correct Answer
A. ExtractionExplanation
Extraction is the recommended management for a child of 8 years old with a large cavity on tooth 36. This is because the tooth is likely to be severely decayed and may not be salvageable through other treatments such as apexogenesis or apexification. Extraction is a common procedure in cases where the tooth cannot be saved and it is important to remove the decayed tooth to prevent further infection or damage to surrounding teeth. Temporary filling or medication may be used as part of the extraction process or to manage any discomfort or infection after the extraction.Rate this question:
-
- 21.
What is the difference between primary teeth and permanent teeth?
- A.
The deciduous crown is more bulbous, the deciduous enamel in thinner and appear whiter and the root of deciduous molar can be fins multiple canals and ramifications
- B.
The deciduous crown is more bulbous
- C.
The deciduous enamel in thinner and appear whiter
- D.
The root of deciduous molar can be fins multiple canals and ramifications
Correct Answer
A. The deciduous crown is more bulbous, the deciduous enamel in thinner and appear whiter and the root of deciduous molar can be fins multiple canals and ramificationsExplanation
Primary teeth, also known as deciduous teeth or baby teeth, have several differences compared to permanent teeth. Firstly, the deciduous crown is more bulbous in shape. Secondly, the enamel of primary teeth is thinner and appears whiter. Lastly, the root of a deciduous molar can have multiple canals and ramifications. These differences help distinguish primary teeth from permanent teeth.Rate this question:
-
- 22.
What is the difference between pulp chamber of primary teeth and permanent teeth?
- A.
Bigger in primary teeth
- B.
Smaller in primary teeth
- C.
The same in both teeth
- D.
Absence pulp chamber
- E.
Less vascular in primary teeth
Correct Answer
A. Bigger in primary teethExplanation
The correct answer is "Bigger in primary teeth". The pulp chamber refers to the hollow space within a tooth that contains nerves, blood vessels, and connective tissue. In primary teeth, the pulp chamber is relatively larger compared to permanent teeth. This is because primary teeth are smaller in size and have thinner enamel and dentin layers compared to permanent teeth. The larger pulp chamber in primary teeth allows for proper development and growth of the tooth.Rate this question:
-
- 23.
Which type temperament of children display a positive approach to the dentist:?
- A.
Easy temperament
- B.
Difficult temperament
- C.
Slow to warm up temperament
- D.
Personality temperament
Correct Answer
A. Easy temperamentExplanation
Children with an easy temperament tend to display a positive approach to the dentist. This temperament is characterized by adaptability, regularity, and a generally positive mood. Children with an easy temperament are more likely to be cooperative and less fearful or anxious when it comes to new experiences, such as visiting the dentist. They are more likely to adapt well to unfamiliar situations and have a generally positive attitude towards them.Rate this question:
-
- 24.
The effective communication with children requires:?
- A.
The understanding of intellectual development
- B.
The understanding of their behavior
- C.
The understanding of child temperament
- D.
The understanding of child’s characteristic
- E.
The understanding of child’s personality
Correct Answer
A. The understanding of intellectual developmentExplanation
Effective communication with children requires an understanding of their intellectual development. This means being aware of their cognitive abilities, language skills, and comprehension levels. By understanding their intellectual development, adults can tailor their communication style and content to match the child's level of understanding. This helps ensure that the child can fully grasp the message being conveyed and actively participate in the communication process.Rate this question:
-
- 25.
There are many ways of child management technique which one is limit setting?
- A.
Dentist should count 1 to 10 when the child is boring
- B.
Give the child a short rest
- C.
The dentist stops doing when the lift the hand up
- D.
Dentist says “I will finish in some minutes”
Correct Answer
A. Dentist should count 1 to 10 when the child is boringExplanation
The correct answer is "Dentist should count 1 to 10 when the child is boring." This technique of counting helps to distract the child and redirect their attention, making the dental procedure more manageable for them. By counting, the dentist provides a clear and predictable structure to the child, helping them to stay focused and calm during the procedure.Rate this question:
-
- 26.
Chlorhexidine solution:?
- A.
Is antibacterial mouth wash
- B.
Can remove calculus
- C.
Can cause bleaching of the teeth
- D.
Can cause sensitivity teeth
Correct Answer
A. Is antibacterial mouth washExplanation
Chlorhexidine solution is an antibacterial mouthwash. It is commonly used to reduce the number of bacteria in the mouth and prevent oral infections. It is effective against a wide range of bacteria and can help in maintaining oral hygiene. However, it is important to note that prolonged use of chlorhexidine solution can cause side effects such as tooth discoloration or bleaching, as well as tooth sensitivity.Rate this question:
-
- 27.
The effective way of tooth brushing to the children:
- A.
Demonstrating and following up the children until they can do themselves
- B.
Education to the parents
- C.
Education to the child
- D.
Education to the parents and child
- E.
Demonstrate the posters to the child
Correct Answer
A. Demonstrating and following up the children until they can do themselvesExplanation
The most effective way of tooth brushing for children is to demonstrate and follow up with them until they can do it themselves. This approach ensures that children learn the correct technique and develop good brushing habits. It allows for hands-on guidance and supervision, ensuring that children understand the importance of brushing and how to do it properly. By gradually transitioning from demonstration to independent brushing, children can gain confidence and take responsibility for their oral hygiene.Rate this question:
-
- 28.
The ideal restoration of primary teeth after pulp therapy:?
- A.
Stainless steel crown
- B.
Amalgam
- C.
Composite resin
- D.
Intermediate restorative material (IRM)
- E.
Glass ionomer cement
Correct Answer
A. Stainless steel crownExplanation
The ideal restoration of primary teeth after pulp therapy is a stainless steel crown. Stainless steel crowns are durable, long-lasting, and provide excellent protection to the tooth. They are highly resistant to wear and can withstand the forces of chewing and grinding. Additionally, stainless steel crowns have a good seal, preventing any further decay or infection. They are also cost-effective and relatively easy to place, making them a popular choice for restoring primary teeth after pulp therapy.Rate this question:
-
- 29.
If a root tip of primary tooth fractured during extraction it is important to:?
- A.
Leave it as it is in situ
- B.
Remove the root tip
- C.
Remove it and curettage
- D.
Leave and suture
Correct Answer
A. Leave it as it is in situExplanation
Leaving the fractured root tip in situ is the correct answer because primary teeth have shallow roots that will naturally resorb over time. Removing the root tip may cause unnecessary trauma and damage to the surrounding tissues. Additionally, primary teeth are eventually shed, so leaving the root tip in place will not cause any long-term complications.Rate this question:
-
- 30.
There are 12 permanent teeth and 12 primary teeth in the mouth of the child. How old is he/she?
- A.
8 years a half
- B.
6 years a half
- C.
10 years a half
- D.
11 years
- E.
12 years
Correct Answer
A. 8 years a halfExplanation
The answer is 8 years and a half because a child typically starts losing their primary teeth and getting permanent teeth around the age of 6. By the time they have 12 permanent teeth and 12 primary teeth, they are likely around 8 years and a half old.Rate this question:
-
- 31.
There are many ways of child behavior technique. What is the behavior shaping?
- A.
Start the easy things to the more difficult things
- B.
Simple and friendly language
- C.
Use tell show do
- D.
Give reward
- E.
Soft voice
Correct Answer
A. Start the easy things to the more difficult thingsExplanation
Behavior shaping is a technique that involves starting with easy tasks and gradually moving towards more difficult ones. This approach allows children to build confidence and develop their skills progressively. By breaking down complex tasks into smaller, manageable steps, children are more likely to succeed and feel motivated to continue learning. This method also promotes a positive and supportive learning environment, as it encourages children to take on challenges at their own pace.Rate this question:
-
- 32.
Before doing local anesthesia what should you say to the child?
- A.
Put the tooth asleep and Feel pain like mosquito bite
- B.
Put the tooth asleep
- C.
Feel pain like mosquito bite
- D.
Close your eyes
- E.
No painful
Correct Answer
A. Put the tooth asleep and Feel pain like mosquito biteExplanation
Before doing local anesthesia, it is important to prepare the child by explaining what will happen. The correct answer suggests that the dentist should inform the child that they will "put the tooth asleep" and they may "feel pain like a mosquito bite." This explanation helps the child understand that they will receive numbing medication to make the procedure painless, but they may still feel a slight sensation similar to a mosquito bite. This reassurance can help alleviate any anxiety or fear the child may have about the procedure.Rate this question:
-
- 33.
By age 8 a child has a gross carie on 46. What do you manage for this tooth?
- A.
Extraction
- B.
Apexogenesis
- C.
Apexification
- D.
Root canal treatment
- E.
Medication
Correct Answer
A. ExtractionExplanation
Extraction is the correct answer because a gross carie refers to a severe decay or cavity in the tooth that cannot be treated with less invasive procedures such as apexogenesis, apexification, root canal treatment, or medication. Extraction involves removing the entire tooth from the socket, which is necessary when the decay is extensive and cannot be repaired.Rate this question:
-
- 34.
Fluoride varnish can:?
- A.
Prevent dental carie and Prevent the hyper sensitivity
- B.
Prevent dental carie
- C.
Cause the hyper sensitivity
- D.
Prevent the hyper sensitivity
- E.
Prevent dental carie and Cause the hyper sensitivity
Correct Answer
A. Prevent dental carie and Prevent the hyper sensitivityExplanation
Fluoride varnish is a protective coating that is applied to the teeth to prevent dental caries or cavities. It works by strengthening the tooth enamel and making it more resistant to acid attacks from bacteria in the mouth. In addition to preventing cavities, fluoride varnish can also help prevent tooth sensitivity. This is because it forms a barrier on the teeth that reduces the exposure of the sensitive dentin layer to external stimuli, such as hot or cold temperatures. Therefore, the correct answer is that fluoride varnish can prevent dental caries and prevent hypersensitivity.Rate this question:
-
- 35.
The first molars of a child 7 years old has deep fissure with stain, the bitewing radiograph. Showing that the dentino enamol junction in normal which material should use :?
- A.
Fissure sealant
- B.
Glass ionomer cement
- C.
Composite resin
- D.
Fluoride varnish
- E.
No recommended treatment
Correct Answer
A. Fissure sealantExplanation
Based on the information provided, the first molars of a 7-year-old child have deep fissures with stains visible on a bitewing radiograph. This indicates that the dentinoenamel junction is normal. In such cases, the recommended treatment is to use a fissure sealant. Fissure sealants are commonly used to fill in deep fissures and prevent the accumulation of bacteria and food particles, reducing the risk of tooth decay. Glass ionomer cement, composite resin, and fluoride varnish may not be as effective in sealing the fissures and preventing decay in this particular case. Therefore, the correct answer is fissure sealant.Rate this question:
-
- 36.
Absence of pulp chamber of primary maxillary incisor, caused by :?
- A.
Trauma
- B.
Amelogenesis inperfecta
- C.
Hypophosphatasia
- D.
Ectodermal dysplasia
- E.
Hypoplasia
Correct Answer
A. TraumaExplanation
The absence of a pulp chamber in a primary maxillary incisor is most likely caused by trauma. Trauma can lead to damage or death of the pulp tissue, resulting in the absence of a pulp chamber. Other conditions such as amelogenesis imperfecta, hypophosphatasia, ectodermal dysplasia, and hypoplasia may affect the structure or development of the tooth, but they would not directly cause the absence of a pulp chamber.Rate this question:
-
- 37.
What is the difference between the deciduous teeth and permanent teeth?
- A.
The deciduous roots are shorter and The deciduous pulp is
- B.
The deciduous roots are shorter and
- C.
Similar coloration
- D.
The deciduous pulp is
- E.
The deciduous roots are shorter, similar coloration and the deciduous pulp is
Correct Answer
A. The deciduous roots are shorter and The deciduous pulp isExplanation
The difference between deciduous teeth and permanent teeth is that deciduous teeth have shorter roots and a different type of pulp compared to permanent teeth.Rate this question:
-
- 38.
The primary canine usually erupt :?
- A.
After primary incisor and After primary 1st molar
- B.
After primary incisor
- C.
Before primary 1st molar
- D.
After primary 1st molar
- E.
After primary incisor and Before primary 1st molar
Correct Answer
A. After primary incisor and After primary 1st molarExplanation
The primary canine usually erupts after the primary incisor and after the primary first molar. This means that the primary canine tooth typically emerges after the front teeth (incisors) and after the first molar tooth in the primary dentition.Rate this question:
-
- 39.
The anterior tooth with guateot variation size and shape in:?
- A.
The maxillary lateral incisor
- B.
The maxillary central incisor
- C.
The mandibular lateral incisor
- D.
The mandibular central incisor
- E.
The maxillary eamine
Correct Answer
A. The maxillary lateral incisorExplanation
The maxillary lateral incisor is the anterior tooth that can exhibit variation in size and shape due to a condition called guateot. This condition can cause the lateral incisor to have a different size and shape compared to the other teeth in the mouth.Rate this question:
-
- 40.
The patient 10 years old complains eating on upper rishi primary 2nd molar. Clinical examination shows, the meblity and canty occlusal. How do you think?
- A.
An exfoliating tooth
- B.
Deep ears lesion
- C.
A hyperheunic pulp
- D.
An oeute pnlprfis
- E.
A traumatic occlusion
Correct Answer
A. An exfoliating toothExplanation
Based on the given information, the patient is 10 years old and complains of pain while eating on the upper right second primary molar. The clinical examination shows mobility and a canty occlusal. This suggests that the tooth in question may be an exfoliating tooth. Exfoliation is a natural process where primary teeth are shed to make way for permanent teeth. The mobility and discomfort while eating could be due to the natural loosening of the primary molar as it prepares to be replaced by a permanent tooth.Rate this question:
-
- 41.
The primary upper central incisor extruded of a child 2 years old must be :?
- A.
Extracted
- B.
Splinted
- C.
Left as it is situ
- D.
Used medication
- E.
Pulpectomy
Correct Answer
A. ExtractedExplanation
The primary upper central incisor of a 2-year-old child that is extruded should be extracted. This means that the tooth should be removed from the mouth. Extrusion refers to a condition where the tooth is pushed out of its normal position, which can occur due to trauma or other factors. In such cases, extraction is often necessary to prevent further damage and to allow for proper healing and growth of the surrounding tissues.Rate this question:
-
- 42.
The tooth discoloration appeared in the enamel white spot with striation, brown mottling is the result of :?
- A.
Dental fluorosis
- B.
Amelogenesis inperfecta
- C.
Dentinogenesis inperfecta
- D.
Tetracycline stainmirs
- E.
Hypoplasia
Correct Answer
A. Dental fluorosisExplanation
The correct answer is Dental fluorosis. Dental fluorosis is a condition that occurs due to excessive intake of fluoride during tooth development. It causes white spots with striation and brown mottling on the enamel surface. This condition is usually caused by drinking water with high fluoride levels or excessive use of fluoride toothpaste. Amelogenesis inperfecta, Dentinogenesis inperfecta, Tetracycline stainmirs, and Hypoplasia are all different dental conditions that do not result in the specific tooth discoloration described in the question.Rate this question:
-
- 43.
Complete root formation of upper central incisors :?
- A.
9 – 10 years old
- B.
8 – 9 years old
- C.
10 – 11 years old
- D.
11 – 12 years old
Correct Answer
A. 9 – 10 years oldExplanation
The complete root formation of upper central incisors occurs at the age of 9-10 years old. This means that by this age, the roots of the upper central incisors have fully developed and reached their maximum length. It is important to note that tooth development can vary slightly among individuals, so this age range serves as a general guideline.Rate this question:
-
- 44.
A child has 12 primary teeth. How old is he/she?
- A.
12 – 16 months
- B.
16 – 20 months
- C.
23 – 30 months
- D.
7 – 10 months
- E.
6 – 9 months
Correct Answer
A. 12 – 16 monthsExplanation
The correct answer is 12 - 16 months because children typically start getting their primary teeth around 6-10 months of age, and by the time they are 12-16 months old, they usually have all 12 of their primary teeth.Rate this question:
-
- 45.
A child 8 years old lost lower 6th molar. What is happening the teeth both side?
- A.
Distal shifting of 2nd premolar and Mesial shifting of 2nd molar
- B.
Distal shifting of 2nd premolar
- C.
Mesial shifting of 2nd molar
- D.
No shifting of 2nd premolar
Correct Answer
A. Distal shifting of 2nd premolar and Mesial shifting of 2nd molarExplanation
When a child loses their lower 6th molar at 8 years old, it can lead to a distal shifting of the 2nd premolar and a mesial shifting of the 2nd molar. The loss of the 6th molar creates extra space in the dental arch, causing neighboring teeth to shift and fill the gap. The 2nd premolar will shift towards the back of the mouth (distal shifting), while the 2nd molar will shift towards the front of the mouth (mesial shifting). This shifting is a natural response to maintain proper alignment and occlusion in the dental arch.Rate this question:
-
- 46.
Which patient should you use atraumatic restorative technique :?
- A.
Old patient and Anxious child
- B.
Patient need an ideal restoration
- C.
Old patient
- D.
Anxious child
- E.
Patient need an ideal restoration , Old patient and Anxious child
Correct Answer
A. Old patient and Anxious childExplanation
The atraumatic restorative technique (ART) is a minimally invasive approach to dental restoration that does not require the use of dental drills. It is particularly suitable for patients who may be anxious or have difficulty tolerating traditional dental procedures, such as old patients and anxious children. This technique involves the removal of decayed material using hand instruments and the placement of a tooth-colored filling material. Therefore, the correct answer is "Old patient and Anxious child."Rate this question:
-
- 47.
Tooth induced by tetracycline, becomes to :?
- A.
Gray
- B.
White spot
- C.
White opague
- D.
Brown mottling
Correct Answer
A. GrayExplanation
Tetracycline is known to cause tooth discoloration, and one of the common color changes observed is gray. Therefore, it can be concluded that tooth induced by tetracycline becomes gray in color.Rate this question:
-
- 48.
After extraction of primary teeth the socket should :?
- A.
Stop bleeding with gauge
- B.
Be curetted
- C.
Be sutured
- D.
Be curetted, Be sutured and Stop bleeding with gauge
- E.
Be curetted and Be sutured
Correct Answer
A. Stop bleeding with gaugeExplanation
After extraction of primary teeth, it is important for the socket to stop bleeding with a gauge. This is necessary to ensure that the bleeding is controlled and the socket can heal properly. By applying pressure with a gauge, the bleeding can be stopped and the formation of a blood clot can occur, which is essential for the healing process. This step is crucial in preventing excessive bleeding and promoting proper healing of the socket.Rate this question:
-
- 49.
Before treating the child, the dentist should :?
- A.
Use technique TSD
- B.
Tell the parent to leave from him/her
- C.
Talk to the parent more than the culd
- D.
Tell the parent to leave from him/her, Talk to the parent more than the culd and Use technique TSD
Correct Answer
A. Use technique TSDExplanation
The dentist should use technique TSD before treating the child.Rate this question:
-
- 50.
Modeling is a technique :?
- A.
The dentist shows the model to the child
- B.
The dentist shows the activity of treatment to the child
- C.
The dentist shows the distraction to the child
- D.
All are corrects
Correct Answer
A. The dentist shows the model to the childExplanation
The correct answer is "The dentist shows the model to the child." This answer is correct because the question asks about modeling as a technique, and showing a model to the child is a form of modeling. The other options mentioned, such as showing the activity of treatment or showing distraction, do not directly relate to the concept of modeling.Rate this question:
-
Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
-
Current Version
-
Mar 15, 2023Quiz Edited by
ProProfs Editorial Team -
Mar 05, 2020Quiz Created by
Fihit15152
MCQs 242 Orthodontic 5DD,Prof.Mom Sovannrithy 1st 2019
MCQs 242 Orthodontic 5DD,Prof.Mom Sovannrithy 1st 2019
MCQs 184 Community Dentistry 3DD. Prof.Vorn Vutha 1st semester
MCQs 184 Community Dentistry 3DD. Prof.Vorn Vutha 1st semester
MCQs 101 Pediatric Dentistry II Dr. Sok Kunthy 2019
MCQs 101 Pediatric Dentistry II Dr. Sok Kunthy 2019
Back to top