- NEED HELP? CALL US NOW
- +919995411505
- [email protected]
Tooth Fracture MCQ
1. Contusion usually result from
a) Cut injuryb) Crush injury
c) Blunt trauma
d) Penetrating injury
2. Ellis and deway classification of traumatic fractures are how many
a) 9b) 5
c) 4
d) 3
3. In an inferior alveolar nerve block given to a child, the position of the needle as compared to that in an adult is more
a) Superiorb) Inferior
c) Buccal
d) Lingual
4. Most common injury in child
a) Root fractureb) Luxation
c) Complicated crown fracture
d) Crown root fracture
5. Injuries to primary teeth occurs mostly at
a) 6-12 monthsb) 2-4 years
c) 5-6 years
d) 1 ½ - 2 ½ years
Answers
1. C
2. A
3. B
4. B
5. D
2. A
3. B
4. B
5. D
Explanation
1. C
Injuries to Gingiva or Oral Mucosa
Laceration
Wound in mucosa resulting from TearContusion
Bruise not accompanied by break, causing sub mucosal haemorrhageAbrasion
Superficial wound results from rub or scrap
2. A
3. B
In children mandibular lies about 0.5 cm below the occlusal plane, due to the underdeveloped ramus of mandible. Therefore IAB, the needle is inserted to the occlusal plane.
5.
Primary dentition – 1-2 ½ years
Permanent dentition – 8-11 years
Primary dentition – 1-2 ½ years
Permanent dentition – 8-11 years
