Test

Question 1

What are ridges on teeth? Give some examples.

Answer 1

Linear elevations on the surface of a tooth.

Marginal ridge, Triangular ridge, transverse ridge, oblique ridge

Question 2

What is a mamelon?

Answer 2

any one of three rounded protuberances o the incised ridge of a newly erupted incisor teeth.

Question 3

How many lobes does the anterior teeth have?

Answer 3

4 lobes

Question 4

Fossa

Answer 4

irregular depressio or cavity (ex. central fossa, lingual fossa, triangular fossa)

Question 5

Sulcus

Answer 5

long depression or valley

Question 6

Developmental Groove

Answer 6

shallow groove or line between primary parts of a crown or root.

Question 7

Supplemental Groove

Answer 7

Less distinct groove or line, does not separate primary parts.

Question 8

What tooth has more variability than any other tooth?

Answer 8

Maxillary lateral incisor.

Question 9

What are the three categories of the human dentition?

Answer 9

Primary, mixed, and permanent.

Question 10

What are some geometric shapes of the teeth?

Answer 10

1. Lingual face- all teeth are trapezoidal
2. Mesial/distal face-anteriors are triangular, Maxillary posteriors are trapezoidal, mandibular posteriors are rhomboidal

Question 11

How can you tell the difference between your mandibular, lateral and central incisors?

Answer 11

The lateral incisor is somewhat larger.

Question 12

(Hockey/lacrosse player question)

Maxillary vs mandibular canine.

Answer 12

Mandibular crown appear longer,

Medial cusp ridge shorter

Question 13

Which tooth has an almost continuous crown tooth outline on medial surface?

Answer 13

Mandibular Canine

Question 14

What is the largest premolar? Whats is the smallest premolar?

Answer 14

Largest: Max 1st
Smallest: Man 1st

Question 15

How many roots are visible on the bucccal side of each molar.

Answer 15

The maxillary molars generally 3.
*Maxillary 3rd sometime fuse to some one root.

The mandibular molars generally 2.

Question 16

What tooth is the cusp of Carabelli generally found?

Answer 16

Small 5th cusp found sometimes on maxillary first molars. Usually toward mesiolingual side

Question 17

What is the geometric shape of the mandibular posterior teeth at a mesial view stand point?

Answer 17

Rhomboidal

Question 18

Which molar(s) have 5 cusps?

Answer 18

mandibular 1st molar. Some times 3rd molar.

Question 19

Which tooth is most likely to have bifurcation on apical third of root?

Answer 19

max 1st premolar.

Question 20

Which cusp is largest and longest on maxillary second molar?

Answer 20

Mesiolingual cusp

Question 21

The primary second molar resembles which tooth ?

Answer 21

permanent 1st molar, except smaller.

Question 22

Compared with permanent crowns, the enamel of primary teeth is _____.

Answer 22

Thinner and has a more consistent depth.

Question 23

At 9 years of age, how many permanent teeth are in the mouth?

Answer 23

12 primary teeth are left in mouth at age 9.

Question 24

How soon does a child enter the mixed dentition age?

Answer 24

age 6-7

Question 25

Which permanent tooth usually erupts to begin mixed dentition?

Answer 25

Mandibular 1st molar.

Question 26

What is the likely age that a vampire will loose his maxillary canines. What does the tooth fairy give him.

Answer 26

11-12

Question 27

How many teeth would you expect to seen in a one year old?

Answer 27

8.....All incisors

Question 28

Which teeth are nonsuccedaneous teeth?

Answer 28

Permanent molars. nonsuccedaneous-pertaining to those permanent teeth that are not preceded by a primary form (e.g., the molars).

Question 29

How many mamelons are found on the maxillary central incisors?

Answer 29

3

Question 30

True or false. The mandibular central incisor is generally the smallest tooth in the dental arch. (permanent teeth)

Answer 30

True.

Question 31

Which molar has 2 cusp and 3 cusp types?

Answer 31

mandibular 2nd premolar.

Question 32

Is the maxillary molars wider BL or MD?

Answer 32

Wider BL than MD

Question 33

Is the mandibular molars wider BL or MD?

Answer 33

wider MD than BL

Question 34

Which tooth is considered the corner stone of the permanent dentition?

Answer 34

canine is the cornerstone of the mouth.

Question 35

How many point angles does each tooth have?

Answer 35

4

Question 36

With one of the the following primary teeth has a crown unlike that of any permanent tooth?

Answer 36

mandibular first molar.