Chapter 11 KEY TERMS

Question 1

Term used to describe the natural teeth in the jawbones?

Answer 1

Dentition

Question 2

What are the three primary dentition periods?

Answer 2

Primary, Mixed, & Permanent

Question 3

What can primary teeth also be referred to as?

Answer 3

Baby teeth, deciduous, or primary dentition

Question 3

What is mixed dentition?

Answer 3

Both primary and permanent teeth are present

Question 4

Permanent dentition can also be referred to as?

Answer 4

Adult teeth

Question 5

What are the dental arches?

Answer 5

Maxillary arch (upper) and Mandibular arch (lower)

Question 6

What is the natural contact between the maxillary and mandibular teeth in all positions?

Answer 6

Occlusion

Question 7

What way can you divide the maxillary and mandibular arches?

Answer 7

In quadrants or sextants

Question 8

Each quadrant of PERMANENT dentition contains how many teeth?

Answer 8

8

Question 9

Each quadrant of PRIMARY dentition contains how many teeth?

Answer 9

5

Question 10

The anterior teeth are

Answer 10

incisors and canines

Question 11

The posterior teeth are

Answer 11

Premolars & Molars

Question 12

What are the four types of PERMANENT teeth?

Answer 12

Incisors, canines, premolars, and molars

Question 13

What are the types of PRIMARY teeth?

Answer 13

Incisors, canines, and molars

Question 14

What type of teeth are incisors?

Answer 14

Single root, “cuts” and “shovels” food

Question 15

Canines are also known as?

Answer 15

cuspids or cornerstone of the dental arch

Question 16

Canines are designed for what

Answer 16

tearing food

Question 17

How many premolars does the mouth have?

Answer 17

four maxillary and four mandibular

Question 18

Premolars are also known as?

Answer 18

bicuspids

Question 19

Premolars role is?

Answer 19

hold the food while the cusps grind it

Question 20

Molars have how many cusps?

Answer 20

four or more

Question 21

molars role?

Answer 21

grind food

Question 22

What are the 5 tooth surfaces?

Answer 22

facial, lingual, occlusal, mesial, distal

Question 23

mesial & distal

Answer 23

mesial - towards midline distal - away from midline

Question 24

buccal or labial surface

Answer 24

buccal - side of tooth touching cheek side (posterior) labial - side of tooth touch lip area (anterior)

Question 25

lingual & Occlusal surface

Answer 25

lingual - side of tooth on the tongue side occlusal - top surface of posterior teeth

Question 26

What are the anatomical features of the teeth?

Answer 26

contours, contacts, and embrasures

Question 27

Curved surface except when the tooth is fractured or worn facial and lingual - protects gingiva mesial and distal - normal contact and embrasures form

Answer 27

contours

Question 28

Mesail or distal surface of a tooth that touches the adjacent tooth in the same arch. - prevents food from being trapped between teeth -stabilizes dental arches

Answer 28

contacts

Question 29

"bulge" or widest point on a specific surface of the crown

Answer 29

Height of contour

Question 30

When two teeth in the same arch touch, their curvatures next to the contact areas form spaces called __________

Answer 30

Embrasures

Question 31

What is used only as a descriptive term to indicate specific locations?

Answer 31

Line & Point angles

Question 32

formed by the junction of two surfaces

Answer 32

line angle

Question 33

formed by the junction of three surfaces at one point

Answer 33

Point angle

Question 34

Each tooth surface is divided into imaginary ___________ to help identify a specific area of the tooth

Answer 34

thirds

Question 35

Division into thirds: Root of tooth

Answer 35

Apical third, middle third, & cervical third

Question 36

Division into thirds: Crown of tooth

Answer 36

Occlusocervical, mesiodistal, & buccolingual

Question 37

Relationship between maxillary and mandibular teeth when upper and lower jaws are fully closed and relationship between teeth in the same arch.

Answer 37

Occlusion

Question 38

Occurs when the jaws are closed in a position that produces maximal stable contact.

Answer 38

Centric Occlusion

Question 39

Abnormal or malpositioned relationships of maxillary teeth to mandibular teeth when they are in centric occlusion.

Answer 39

Malocclusion

Question 40

- Used to describe and classify occlusion and malocclusion

Answer 40

Angles Classification

Question 41

An ideal mesiodistal relationship exists between the jaws and the dental arches

Answer 41

Class I Neutroclusion

Question 42

Mesiobuccal cusp of maxillary first molar occludes (by more than the width of the premolar) mesial to the mesiobuccal groove of mandibular first molar.

Answer 42

Class II Distoclusion

Question 43

What are the divisions of Class II Malocclusion

Answer 43

Division 1 : lips flat and parted, lower lip tucked behind upper incisors Division 2: maxillary incisors are not in lavioversion

Question 44

Body of the mandible must be in a abnormal mesial relationship to the maxilla frequently give the appearance of protrusion of the mandible

Answer 44

Class III Malocclusion

Question 45

Anterior teeth are not designed to fully support the occlusal forces on the entire dental arch

Answer 45

Closure

Question 46

Occlusal surfaces of the posterior teeth do not form a flat plane

Answer 46

Curve of Spee

Question 47

Cross-arch curvature of the posterior occlusal plane

Answer 47

Curve of Wilson

Question 48

What are the different tooth-numbering systems?

Answer 48

Universal/National System International Standards Organization System Palmer Notation System

Question 49

How are permanent teeth numbered?

Answer 49

1-32 maxilla right to left, down to mandibular left to right.