Midterm #1

Question 1

Incisors

Answer 1

2 medial, 2 lateral

biting, cutting and shearing

Question 2

Canine

Answer 2

1 type (cuspid) (2 total)

Question 3

Premolars

Answer 3

1st and 2nd (4 total)

Aka bicuspids

Question 4

Molar

Answer 4

3 types:
1st 6yr
2nd 12 yr
3rd wisdom

Question 5

Standard Tooth ID notation

Answer 5

Set, Arch, Side, Type, Class

Question 6

Premolars in Decidious set?

Answer 6

NO

Question 7

Succedaneous

Answer 7

Permant teeth that replace exoliated teeth. Replace position NOT TYPE

Question 8

Number of Succedaneous teeth?

Answer 8

20

Question 9

Are molars or premolar succedaneous?

Answer 9

Premolars

Question 10

Universal Numbering System

Answer 10

1-32. Left to right. Right to left

Uses A-T on decidious teeth

Question 11

FDI System

Answer 11

First number IDs quadrent (1-4 P, 5-8 D)

Second Id’s Tooth (1-8 P, 1-5 D)

Question 12

Palmer System

Answer 12

Four brackets. Starting at Midline
1-8 to ID tooth, starting at midline
A-E to ID decidious

Question 13

Cementum

Answer 13

Hard, bonelike tissue that covers the dentin of the anatomic root
65% CaHydroxy, 23 organic, 12 water

Question 14

Dentin

Answer 14

Forms the main body of the tooth. Covered by enamel of the anatomic crown and cementum of the anatomic root
70% CaHydroxy, 18 organic, 12 water

Question 15

Enamel

Answer 15

Hard, mineralized tissue that covers the dentin of the anatomic crown. Is the hardest living tissue in the body but is brittle
95% CaHydroxy, 5% organic

Question 16

Pulp Chamber

Answer 16

found mostly in the antomical crown

Question 17

Pulp Horns

Answer 17

Corresponds to the cusps!

Question 18

Root Pulp Portion

Answer 18

Pulp Canal

Question 19

Apical Foramen Pulp

Answer 19

Hole at root tip

Question 20

Formative function of Pulp

Answer 20

produces dentin via odontoblats

Question 21

Cervial Line

Answer 21

external surface of the tooth where the enamel and cementum meet

Question 22

Cemento Enamel Junction

Answer 22

Separates the anatomic crown from the anatomic root

Question 23

Dento enamel Junction

Answer 23

the internal line meeting the dentin and enamel in the anatomic crown

Question 24

Anatomical Crown

Answer 24

Portion of the tooth covered in enamel

Question 25

Anatomic root

Answer 25

portion of the root covered by cementum

Question 26

Clinical Crown

Answer 26

Portion of the crown visible in the mouth. May or may not correspond to the anatomic crown. Depends on the level of soft tissue (gums)

Question 27

Clinical Root

Answer 27

Portion of the root that is NOT visible in the mouth. May or may not correspond to the anatomic root.

Question 28

Anterior Teeth Nomenclature

Answer 28

Facial Lingual Incisal

Question 29

Posterior

Answer 29

Buccal Lingual Occlusal

Question 30

Number of Line angles per tooth?

Answer 30

Eight (8)

Question 31

Corwn Thirds

Answer 31

Distal, middle, mesial AND Incisal, middle, gingival/cervical

Question 32

Root Thirds

Answer 32

Cervical, middle, apical

Question 33

Incisor Lobes

Answer 33

3 facial lobes via mamelons | 1 cingulum lobe (found on ALL P&D anterior teeth)

Question 34

Perikymata

Answer 34

horizontal ridges on the enamel of newly erupted permanent teeth. Overlapping enamel

Question 35

Canine Lobes

Answer 35

3 facial | 1 cingulum

Question 36

Premolar Lobes

Answer 36

3 facial | 1 lingual

Question 37

Molar Loves

Answer 37

4 or 5 lobes, each cusp

Question 38

Incisor cusps

Answer 38

None

Question 39

Canine Cusps

Answer 39

one (gothic pyramid style)

Question 40

Premolar cusps

Answer 40

2-3

Question 41

Molar cusps

Answer 41

4+

Question 42

Marginial Ridges

Answer 42

M&D on lingual surface of anterior | M&D on occlusal of posterior

Question 43

Triangular Ridges

Answer 43

Descends from tips of cusps towards the central area of occlusion

Question 44

Transverse Ridges

Answer 44

two triangular ridges

Question 45

Fossa

Answer 45

rounded depression or cavity Anterior-large single shallow Posterior-2 or more deep

Question 46

Pit

Answer 46

Bottom of fossa, usually where bacteria isolates to form cavity!

Question 47

Height of curvature (Contour)

Answer 47

Area of greatest convexity | Helps determine food direction/diversion

Question 48

Contact area

Answer 48

Where one tooth touches the adjacent tooth

Question 49

Embrassues

Answer 49

Occlusal, incisal Buccal, facial Lingual

Question 50

Occlusion

Answer 50

How the teeth come together

Question 51

Mastication

Answer 51

Biting or chewing food