Introduction

Question 1

What is morphology?

Answer 1

the study of the form of things

Question 2

What is the dental arch?

Answer 2

teeth, gingiva, and associated bone

Question 3

What is the maxillary arch?

Answer 3

the upper arch including the associated teeth

Question 4

What is the mandibular arch?

Answer 4

the lower arch and associated teeth

Question 5

Do both the mandible and maxilla move?

Answer 5

no, only the mandible

Question 6

How many permanent teeth are there?

Answer 6

32

Question 7

What is the formula for permanent teeth?

Answer 7

I 2/2 C 1/1 P 2/2 M 3/3

Question 8

How are quadrants formed?

Answer 8

divide each arch at the midline and then each half arch is a quadrant

Question 9

What are the anterior teeth?

Answer 9

incisors (8) and canines (4)

Question 10

What are the posterior teeth?

Answer 10

premolars (8) and molars (12)

Question 11

How many deciduous or primary teeth?

Answer 11

20 (10 per arch)
-4 incisors
-2 canines
-4 molars

Question 12

What is the deciduous dental formula?

Answer 12

I 2/2 C 1/1 M 2/2

Question 13

What is the crown?

Answer 13

outside of tooth covered in enamel

Question 14

What is the root?

Answer 14

under the gum covered with cementum

Question 15

What is enamel?

Answer 15

the dense hydroxyapatite surface of the crown

Question 16

What is dentin?

Answer 16

the inner hard layer of the crown and root

Question 17

What is the pulp?

Answer 17

the vascular innervate portion of the tooth

Question 18

What is the cementum?

Answer 18

the outer layer of the root surface

Question 19

What is the dentoenamel junction?

Answer 19

junction of enamel and dentin layers

Question 20

What is the cementoenamel junction?

Answer 20

junction of enamel and cementum layer3s

Question 21

What is the cervical line?

Answer 21

junction of the anatomical crown and root

Question 22

What is the clinical crown?

Answer 22

the portion of the tooth visible in the mouth

Question 23

What is the anatomical crown?

Answer 23

the crown above the CEJ

Question 24

What is the facial/buccal/labial surface?

Answer 24

outermost surface toward the cheek or lips

Question 25

What is the lingual/palatal surface?

Answer 25

inner most surface toward the tongue or palate

Question 26

What is the mesial surface?

Answer 26

toward the median line

Question 27

What is the distal surface?

Answer 27

away from the median line

Question 28

What is the incisal surface?

Answer 28

the biting or incising edge of anterior teeth

Question 29

What is the occusal surface

Answer 29

the biting or chewing surface of posterior teeth

Question 30

What is a cusp?

Answer 30

the projection on a crown

Question 31

What is a fossa?

Answer 31

depression or concavity between cusps or ridges

Question 32

What is the ridge on the crown?

Answer 32

linear elevation on the surface of a tooth and is named according to location

Question 33

What is the cingulum?

Answer 33

lingual crown projection on anterior teeth

Question 34

What is the groove of a crown?

Answer 34

line between the primary parts of a crown or root

Question 35

What is the pit of a crown?

Answer 35

pinpoint depression at the junction or termination of a groove

Question 36

What is the lobe of a crown?

Answer 36

primary center of development within a tooth

Question 37

What are mamelon?

Answer 37

round projections of enamel on newly erupted teeth -incisal remnant of incisor development

Question 38

What is the furcation of the root?

Answer 38

where the root divides

Question 39

What is the root apex?

Answer 39

the opening in the root for entrance of the pulp

Question 40

What is the pulp?

Answer 40

vascular innervated portion of the tooth

Question 41

What is the pulp chamber?

Answer 41

chamber containing dental pulp

Question 42

What is the pulp horn?

Answer 42

highest projection of pulp chamber within the crown

Question 43

What is the pulp canal?

Answer 43

inner portion of the root containing the dental pulp

Question 44

What is periodontium?

Answer 44

the tissues that surround the teeth -gingiva -cementum -alevolar bone -periodontal ligament

Question 45

What is the gingiva?

Answer 45

covers the bone and surrounds cervical portion of teeth -plae pink

Question 46

What is alveolar mucosa?

Answer 46

dark red -loose attachment to underlying bone

Question 47

What is mucogingival junction?

Answer 47

junction of alveolar muscosa and gingiva

Question 48

What is the free gingiva?

Answer 48

closer to the tooth crown, not attached to the bone

Question 49

What is the free gingival groove?

Answer 49

separates attached gingiva from free gingiva

Question 50

What is the interdental papilla (gingival papilla)?

Answer 50

the triangular shaped gingiva that occupies the gingival embrasure

Question 51

what is the gingival sulcus?

Answer 51

not seen visually, but can be evaluated with a periodontal probe -space between tooth surface and narrow cervical collar of free gingiva

Question 52

What is the periodontal ligament?

Answer 52

surrounds tooth root and attaches tooth to alveolar bone

Question 53

What is alveolar bone?

Answer 53

forms and supports tooth sockets

Question 54

What is the blue part of the tooth?

Answer 54

incisal edge

Question 55

What is the orange part of the tooth?

Answer 55

occlusal surface

Question 56

What are the two arrows pointing to? (superior to inferior)

Answer 56

crown root

Question 57

What are the four arrows pointing to? (superior to inferior)

Answer 57

enamel dentin pulp cementum

Question 58

What are the two arrows pointing to? (superior to inferior) (junctions)

Answer 58

DEJ CEJ

Question 59

What are the two arrows pointing to? (superior to inferior)

Answer 59

furcation root apex

Question 60

What is this arrow pointing to?

Answer 60

gingival papilla