Dental anatomy

Question 1

What is a Tubercle

Answer 1

Extra formation of enamel on the crown of a tooth.
supernumerary cusp.
Ex. Cusp of carabelli

Question 2

Def of ridge

Answer 2

linear elevation of enamel surface

Question 3

Oblique ridge location

Answer 3

On all mx molars from ML to DB cusps.

Separates the MB and DL cusps.

Question 4

what cusp of all mx molars has two triangular ridges

Answer 4

ML cusp

Question 5

Def of supplemental groove

Answer 5

irregularly defined, short groove auxiliary to a development groove that does not separate major tooth parts.

Question 6

Def of line angle

Answer 6

angle formed by the junction of two surfaces

Question 7

def of point angle

Answer 7

angle formed by the junction of three surfaces

Question 8

How many line angles in anterior teeth

Answer 8

six

Question 9

how many line angles in posterior teeth

Answer 9

eight

Question 10

All teeth have how many point angles

Answer 10

four

Question 11

Name of four embrasures

Answer 11

Buccal
Lingual
Occlussal/incisal
Cervical/gingival

Question 12

Where is the largest O embrasure

Answer 12

bn mx canine and PM1

Question 13

Where is the largest I embrasure

Answer 13

bn mx lat and canine

Question 14

where is the smallest I embrasure

Answer 14

bn md centrals

Question 15

What molars are generally trifurcated

Answer 15

Mx molars

Question 16

What molars are generally bifurcated

Answer 16

Md molars

Question 17

All dental and perio innervation comes from

Answer 17

Trigeminal nerve
maxillary nerve V2.
Mandibular nerve V3.

Question 18

All dental and perio arterial supply arises from

Answer 18

maxillary artery.

Supply parallels corresponding nerves.

Question 19

All dental and perio venous return drains into

Answer 19

Pterygoid plexus of veins, eventually forming Maxillary vein.

Question 20

What innervates the gingiva of md anteriors and premolars

Answer 20

mental nerve

Question 21

What innervates the gingiva of md molars

Answer 21

buccal nerve

Question 22

what innervates all the mandibular teeth

Answer 22

Inferior alveolar nerve

Question 23

Purpose of of proximal contacts

Answer 23

Prevent rotation
Mesial drift
Food impaction

Question 24

What shape are the F and L surfaces of all teeth

Answer 24

Trapezoidal

Question 25

What shape are the proximal surface of all anterior T.

Answer 25

Triangular

Question 26

What shape are the proximal surface of all max posterior

Answer 26

Trapezoidal

Question 27

What shape are the proximal surface of all md posterior

Answer 27

Rhomboidal