tooth morphology osce sentences

Question 1

during lateral movement of the jaw, this tooth acts as a guidepost with its antagonist

Answer 1

upper canine

Question 2

there may be two lingual cusps, if so the mesial cusp is the larger

Answer 2

lower second premolar

Question 3

this tooth has a pit on the buccal surface which is at an increased risk of caries

Answer 3

lower first molart

Question 4

this tooth has the mesial surface more deeply grooved than the distal and shows a concavity in the cervical region

Answer 4

upper first premolar

Question 5

the crown is set at an angle to the root, producing a convex labial profile from the cusp to the apex. often there is enamel extending further apically on the labial side than on the lingual side

Answer 5

lower canine

Question 6

a small groove runs from the mesial pit of the occlusal surface on to the mesiolingual surface

Answer 6

lower first premolar

Question 7

the crown is the largest of the four incisors, being almost as wide as it is long

Answer 7

upper central incisor

Question 8

usually, this tooth has only four cusps of similar size, and the occlusal surface is almost square

Answer 8

lower second molar

Question 9

this tooth is diamond shaped, with the longer diagonal extending from the mesiobuccal to the distopalatal cusp

Answer 9

upper first molar

Question 10

the two cusps are similar in height and width due to a marked reduction in the size of the buccal cusp

Answer 10

upper second premolar

Question 11

the lingual surface has two pronounced marginal ridges, where the ridges meet at the cervix, they enclose a depression or a fossa.

Answer 11

upper lateral incisor

Question 12

looking at the crown from the mesial and sital aspects, it appears as a wedge shape and leans lingually, there are faint marginal ridges and a small cingulum

Answer 12

lower lateral incisor

Question 13

the distopalatal cusp is greatly reduced and may be absent. this makes the shape of the crown more triangular

Answer 13

upper second molar