Most Common teeth involved in some pathologies

Question 1

Most commonly present natal teeth Smallest tooth in human dentition

Answer 1

Primary mandibular central incisor.

Question 2

Ankylased /submerged teeth / infra occlusion * Primary tooth mast susceptible to caries

Answer 2

Deciduous mandibular second molar.(In permanent dentition, the teeth which are associated with ankylosis are 1st & 2nd molars)

Question 3

Dens in dente (Dens invaginatus)
Teeth mast commonly in abnormal relation with other teeth in the jaws
Permanent teeth demonstrating greatest variation in tooth mass. size and shape next to third molar

Answer 3

Permanent maxillary lateral incisors.

Question 4

Dens evaginatus (Leongs premolar or occlusal enamel pearl)

Answer 4

Premolars

Question 5

Concrescence

Answer 5

Maxillary molars are the teeth most frequently involved, especially a third molar and a supernumerary tooth

Question 6

Teeth which are commonly affected with microdontia

Answer 6

Maxillary Lateral incisors followed by third molar.

Question 7

Teeth commonly involved in Turner’s hypoplasia

Answer 7

Mandibular premolars followed by Permanent maxillary incisors

Question 8

Regional odontodysplasia (Ghost teeth)

Answer 8

Permanent anteriors.

Question 9

Adenomatoid odontogenic tumour

Answer 9

Maxillary or mandibular canine.

Question 10

Teeth which are commonly blocked out due to lack of space

Answer 10

Permanent maxillary canine.

Question 11

Supernumerary roots (Bifurcated roots)

Answer 11

Mandibular canine and premolars.

Question 12

Supernumerary teeth

Answer 12

Mesiodens followed by maxillary and mandibular 4 molar.

Question 13

Most commonly missing permanent teeth

Answer 13

Third molars followed by maxillary Laterals and mandibular second motars.

Question 14

Most commonly missing deciduous teeth

Answer 14

Deciduous maxillary and mandibular ateral incisors.

Question 15

Teeth that are least commonly extracted for orthodontic purpose

Answer 15

Maxillary anteriors.

Question 16

Teeth that are commonly extracted for orthodontic purpose

Answer 16

First premolars

Question 17

• Tooth that shows greatest variation in occlusal form next to maxillary 3rd molar.
• Tooth in the mandibular which is mostly likely to be displaced due to arch size discrepancy.
  Mandibular second premolar.
  . Tooth that shows greatest variation in eruption timing.

Answer 17

Mandibular second premolar.

Question 18

Taurodontism

Answer 18

Permanent or primary molars.

Question 19

Most commonly impacted teeth

Answer 19

3 molars followed by maxillary cuspids.

Question 20

• Benign cementoblastoma (true cementoma)
  Condensing osteitis (Chronic focal sclerosing osteomyelitis)
  Tooth most commonly lost from arch due to caries

Answer 20

Mandibular 1 molar

Question 21

Chronic hyperplastic pulpitis

Answer 21

Deciduous molars and 1” permanent molars.

Question 22

Teeth more commonly involved in nursing bottle caries

Answer 22

Maxillary incisors

Question 23

Teeth least involved in nursing bottle caries

Answer 23

Mandibular incisors

Question 24

Teeth more first involved in nursing bottle caries

Answer 24

Maxillary canines.