Week 7 - Anterior Permanent Teeth

Question 1

What are mamelons

Answer 1

lobes on the top of incisal edge of teeth
they are normally worn down due to normal occlusal

Question 2

Why do mamelons form

Answer 2

• teeth develop from lobes
• lobes develop and coalesce within the bony crypt
• incisors develop from 4 lobes: 3 facial and 1 lingual
• developmental grooves are the junctions of these lobes
• mamelons are the most incisal view of these lobes

Question 3

what is the ideal occlusion between mandibular incisor and maxillary incisor

Answer 3

the mandibular incisal edge occludes against the maxillary incisors’ cingulum

Question 4

what tooth has the longest root

Answer 4

canines

Question 5

How many roots do incisors have

Answer 5

1

Question 6

At the moment of clinical eruption what length of the incisor roots have developed

Answer 6

approx 2/3 (1/2 to 3/4)

Question 7

How many roots do canines have

Answer 7

1

Question 8

what is the canines relationship in normal class 1 occlusion

Answer 8

when the mesial slop of upper canine coincides with the distal slope of lower canine

Question 9

Answer 9

overjet

Question 10

Answer 10

overbite

Question 11

Answer 11

open bite

Question 12

What tooth is mostly removed to fix tooth aesthetics and crowding

Answer 12

first primary molar

Question 13

What tooth can present with bifurcation of the apical 1/3 of their root

Answer 13

mandibular canine

Question 14

How many line angles are present in a maxillary central incisor

Answer 14

6

Question 15

What type of teeth has the greatest crown variation

Answer 15

maxillary lateral incisors