Chapter 10 & 11

Question 1

What term is defined as the natural teeth in the jaw bones?

Answer 1

Dentition

Question 2

Name the three dentitions people can have?

Answer 2

Primary
Permanent
Mixed

Question 3

Name the line that divides the face in the right and left sides?

Answer 3

Midline

Question 4

Identify using the correct terminology the dental arches?

Answer 4

Max and mand

Question 5

When a dentition and is divided into four sections what are they called?

Answer 5

Quadrants

Question 6

How many teeth are present in each of the two main dentition periods?

Answer 6

20 in primary

32 in permanent

Question 7

Name the types of teeth in the permanent dentition and the primary function of each:

Answer 7

Incisors –To cut food without heavy force
Canine’s – cutting and tearing foods
Pre-Molars- Hold and grind food
Molars – chew or grind up food

Question 8

How many surfaces are on a tooth?

Answer 8

5

Question 9

Name the 5 surfaces of the teeth and describe their location?

Answer 9

Buccal- lips and cheek
Lingual – closest to the tongue 
Occlusal- chewing surface 
Mesial- toward midline 
Distal- distant from midline

Question 10

What is the term given to the area where adjacent teeth touch?

Answer 10

Interproximal

Question 11

What is the term for the triangular space toward the gingiva between adjacent teeth?

Answer 11

Embrasure space

Question 12

What is the term for the junction of two tooth surfaces?

Answer 12

Lineangle

Question 13

Which tooth is referred to as the “cornerstone”of the dental arch?

Answer 13

The canine

Question 14

What is the name of the area where adjacent teeth physically touch?

Answer 14

Contact area

Question 15

What is the name for the third of the tooth nearest the end of the root?

Answer 15

Cervical third

Question 16

What is the name for the position of the teeth when they’re in chewing movements?

Answer 16

Functional occlusion

Question 17

What is the term for teeth that are in poor occlusion?

Answer 17

Malocclusion

Question 18

What is the term for the junction of three tooth surfaces?

Answer 18

Point angle

Question 19

What classification is neutrocclusion?

Answer 19

Class 1 -Neutrocclusion is an ideal mesiodistal relationship between the jars in the dental arches

Question 20

What is the name for the curve of the occlusal plane?

Answer 20

Curve of Spee

Question 21

Describe class III occlusion:

Answer 21

Body of the mandible must be in an abnormal mesial relationship to the maxilla- over bite

Question 22

When does mixed dentition generally occur?

Answer 22

Between the ages of 6 and 12

Question 23

What is another term for primary dentition?

Answer 23

Deciduous Dentition

Question 24

How does the mandibular arch move?

Answer 24

It’s capable of movement through the action of the temporomandibular joint

Question 25

What are the names of the six sextants?

Answer 25

``` Maxillary right posterior – one Maxillary anterior - two Maxillary left posterior – three Mandibular right posterior - four Mandibular anterior – five Mandibular left posterior - six ```

Question 26

How many cusps do premolars have?

Answer 26

Two cusps known as bicuspids

Question 27

What are the three anatomical features of the teeth?

Answer 27

Contour - shape Contacts- touch Embrasures- spaces

Question 28

Describe class ll occlusion

Answer 28

Disoclussion

Question 29

What’s another name for the Stenson duct?

Answer 29

Parotid duct

Question 30

What are the two regions of the oral cavity?

Answer 30

The vestibule and oral cavity proper