Tooth ID & Structure

Question 1

What’s Odontology?

Answer 1

The study of growth, anatomy and disease of teeth

Question 2

Dentition

Answer 2

Sets of Teeth

Question 3

Approximately how many primary or deciduous dentition?

Answer 3

20 Teeth

Question 4

Approximately how many permanent or succedaneous dentition?

Answer 4

32 Teeth

Question 5

What happens at 6 months old?

Answer 5

Teeth buds began to erupt in the mouth to form the primary dentition

Question 6

What happens at 2-3 years old?

Answer 6

All of the 20 primary teeth will have erupted

Question 7

What happens at age 6-12 years of age?

Answer 7

All primary teeth are lost and replaced with permanent dentition

Question 8

What happens at age 5-6?

Answer 8

Permanent teeth begin to erupt

Question 9

Mastication

Answer 9

Chewing of food

Question 10

What happens at 17-20 years of age?

Answer 10

Eruption continues replacing primary teeth when the 3rd molars or wisdom teeth erupt

Question 11

What do 5-12 year olds usually have?

Answer 11

Have mixed dentition (baby and parent teeth)

Question 12

Crown

Answer 12

Visible in the mouth, protected by enamel (teeth we see when smile)

Question 13

Root

Answer 13

Section of the tooth below the gum line, covered on the outside by a tissue called cementum

Question 14

Cervix

Answer 14

Where crown meets cementum covering the root

Question 15

Apex

Answer 15

Tip of the root of the tooth (apical foramen, where nerves and blood enter the tooth)

Question 16

Enamel

Answer 16

Hardest Body Tissue, covers the Crown (made up of calcium and phosphorus)

Question 17

Cementum

Answer 17

Covers outside of the root (like enamel just on bottom of tooth)

Question 18

Dentin

Answer 18

Main bulk of tooth, located under the enamel and cementum of the root, softer than bone enamel but harder than bone)

Question 19

Pulp

Answer 19

Soft inner area of the tooth

Question 20

Periodontium

Answer 20

Structures that surround and support teeth (keeps it in place for ex. when you bite something)

Question 21

Alveolar Process/ridge

Answer 21

surrounds roots and has sockets

Question 22

Periodontal Ligament

Answer 22

Supports the tooth in the socket

Question 23

Gingiva/Gums

Answer 23

Surrounds the cervix

Question 24

Incisors

Answer 24

Front and center of the mouth, broad sharp edge (used to cut it bite food (1st 4 teeth)

Question 25

Cuspids (Canines)

Answer 25

At angles of lips, used to tear food (Teeth after the 4 that are angled and sharp)

Question 26

Bicuspids

Answer 26

Before the molars, also called premolars (The 2 ones after the Cuspids)

Question 27

Molar

Answer 27

Back of the mouth, largest, strongest teeth (used to chew and grind food (back 3 main chewing teeth after the 2 bicuspids)