Oral Biology - Basics Of Teeth

Front 1

What are the three areas of anthropology that study teeth?

Back 1

Paleontology, Bioarchaeology/Skeletal Biology, Forensic Anthropology

Front 2

Why Paleontology?

Back 2

Dentine lasts longer, mineralized, not eaten by carnivores

Front 3

Why Bioarchaeology?

Back 3

teeth record the environment, wear patterns, adaptation, diet

Front 4

Why Forensic Anthro?

Back 4

Identification

Front 5

Three contributors to the dentofacial complex are?

Back 5

Genetic Complex, Environmental (nutrition, biomech), Functional Forces (deterioration, muscle action, biomech)

Front 6

Dental tissues include:

Back 6

enamel, dentine, cementum, pulp, periodontal complex

Front 7

The periodontal complex is:

Back 7

Anchoring mechanism, bone and ligament

Front 8

Three types of dentofacial tissues are:

Back 8

dental, soft, skeletal

Front 9

Skeletal tissues include:

Back 9

bone (alveolar), cartilage

Front 10

Soft tissues include:

Back 10

neuromuscular (voluntary) and "other" (glands, nerves, skin, mucus membrane)

Front 11

Neuromuscular (voluntary) Soft Tissues include:

Back 11

Perioral (superficial muscles of the face: expression, connect skin to bone), Intraoral (Muscles of mastication, deep muscles, muscles of tongue)

Front 12

The Oralfacial complex includes:

Back 12

breathing, speech, vision, hearing

Front 13

Darcy Thompson

Back 13

Form & Function, What functions does breathing entail in people of varying ages

Front 14

Bone responds to _________.

Back 14

Soft tissues

Front 15

Development of ________ affects the head.

Back 15

Brain growth, eyes, dental development

Front 16

Three calcified tissues are:

Back 16

enamel, dentine, cementum

Front 17

Dentin is exposed through:

Back 17

attrition, carious lesions, trauma, age

Front 18

Coronal Dentine is

Back 18

Dentin covered by enamel

Front 19

The pulp has three functions which are:

Back 19

sensory, nutritive, reparative

Front 20

What does the mesoderm give rise to?

Back 20

dentin & cementum, muscle, cartilage and bone

Front 21

Dentin is different from bone how?

Back 21

Dentin is porous

Front 22

Which cells produce dentin?

Back 22

Odontoblasts

Front 23

Where are odontoblasts located

Back 23

In the pulp chamber, monitor dentin

Front 24

What dentition has different types of teeth in it?

Back 24

Heterodontic Dentition

Front 25

4 Types of tooth notation

Back 25

Anatomical, clinical, paleontological, forensic

Front 26

90 Degree Method

Back 26

use midsagittal plane, use 90 degree angles

Front 27

Universal Dental Numbering system

Back 27

1-32 right to left, a-z right to left

Front 28

Federation Dentaire Internationel

Back 28

Quadrants, number starts at MSP, I-IV for permanent, V-VIII for deciduous

Front 29

2 Features of an Incisor

Back 29

Single root, blade

Front 30

4 Functions of an Incisor

Back 30

Mastication, Aesthetics, Phonetics, Guide jaws at rest

Front 31

Root dentin is______.

Back 31

covered by cementum

Front 32

Mesochyme

Back 32

gives rise to muscle & bone in embryo

Front 33

Pulp is derived from the____.

Back 33

mesoderm

Front 34

Why is dentine porous?

Back 34

Tubules go through dentine

Front 35

Dentin over time

Back 35

Odontoblasts deposit it continuously in pulp chamber, 80% crystalline but denser than bone

Front 36

Cementum over time

Back 36

Continues to lay on tooth root, remodels periodontal ligament, root is constantly growing, includes collagen, denser than bone

Front 37

Enamel is

Back 37

ectodermal

Front 38

Ectoderm gives rise to

Back 38

skin, hair, tooth enamel

Front 39

Enamel is

Back 39

97% crystalline, densist mineralized tissue in mammalian body, acellular

Front 40

Enamel is laid down by

Back 40

ameloblasts, ONCE

Front 41

Neck of the Tooth

Back 41

CET Junction or cervical region

Front 42

Interdental septum

Back 42

area of bone btw sockets of teeth

Front 43

Inter-radicular septum

Back 43

area of bone btw tooth with multiple roots

Front 44

Periodontal ligament

Back 44

anchors tooth to socket, collagenous bone fibers

Front 45

Pulp cavity

Back 45

living part of tooth, lymph blood and nerves

Front 46

Anatomical Crown

Back 46

Superior to the CEJ in mandibular teeth, can ONLY get smaller with age

Front 47

Clinical Crown

Back 47

Visible in oral cavity, gingival to tip, smaller than anatomical crown

Front 48

Toothless Phase of Infancy

Back 48

0-6 Months

Front 49

Deciduous teeth are present at ___ age.

Back 49

about 2.5 to 3 years of age

Front 50

Use Phase of Deciduous Teeth

Back 50

about 3-6 years of age

Front 51

Phase of Mixed Dentition

Back 51

about 6-13 years of age

Front 52

Use Phase of Permanent Teeth

Back 52

13+

Front 53

Logan & Kronfeld

Back 53

Cleft palate surgeon, 10-15 samples of stillborns, use non-normal specimens

Front 54

Teeth in Maxilla (size)

Back 54

Decrease in size from front to back

Front 55

Teeth in Mandible (size)

Back 55

Increase in size from front to back

Front 56

Which arch is larger?

Back 56

Maxillary

Front 57

Deciduous Molars are replaced by

Back 57

Permanent Premolars