What is morphology?

Question 1

morphology

Answer 1

the study of the forms of things

Question 2

nomenclature

Answer 2

terms used to describe human dentition. the surfaces, and identifying characteristics

Question 3

dental arch

Answer 3

teeth, gingiva, and associated bone

Question 4

of dental arches

Answer 4

2

Question 5

maxillary arch

Answer 5

the upper arch including the associated teeth

Question 6

mandibular arch

Answer 6

the lower arch and associated teeth

Question 7

only the — moves

Answer 7

mandible

Question 8

how many permanent teeth

Answer 8

32

Question 9

permanent dental formula

Answer 9

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

Question 10

each arch is divided in half at the

Answer 10

midline

Question 11

each half arch is a

Answer 11

quadrant

Question 12

anterior teeth

Answer 12

incisors (8)

canines (4)

Question 13

posterior teeth

Answer 13

pre molars (8)
molars (12)

Question 14

how many deciduous or primary teeth

Answer 14

20

Question 15

how many per arch?

Answer 15

10
4 incisors
2 canines
4 molars 
no premolars

Question 16

deciduous dental formula

Answer 16

I (2/2) C (1/1) M (2/2)

Question 17

crown

Answer 17

covered with enamel

Question 18

root

Answer 18

covered with cementum

one or more roots

Question 19

enamel

Answer 19

the dense hydroxyapatite surface of the crown

hardest surface in the body

Question 20

dentin

Answer 20

the inner hard layer of the crown and root

Question 21

pulp

Answer 21

the vascular innervated portion of the tooth

Question 22

cementum

Answer 22

the outer layer of the root surface

Question 23

dentoenamel junction (DEJ)

Answer 23

junction of enamel and dentin layers

Question 24

cementoenamel junction (CEJ)

Answer 24

junction of enamel and cementum layers

Question 25

cervical line

Answer 25

junction of the anatomical crown and root

Question 26

clinical crown

Answer 26

the portion of the tooth that is visible in the mouth

Question 27

anatomical crown

Answer 27

the crown above the CEJ

Question 28

the clinical crown can be greater than the anatomical crown depending on

Answer 28

recession and health of the gums

Question 29

facial (buccal/labial)

Answer 29

outer most surface toward the cheek or lips

Question 30

lingual (palatal)

Answer 30

inner most surface toward the tongue or palate

Question 31

mesial

Answer 31

toward the median line

Question 32

distal

Answer 32

away from the median line

Question 33

incisal

Answer 33

the biting or incising edge of the anterior teeth

Question 34

occlusal

Answer 34

the biting or chewing surface of the posterior teeth

Question 35

cusp

Answer 35

projection on a crown | elevations

Question 36

fossa

Answer 36

depression or concavity between cusps or ridges

Question 37

ridge

Answer 37

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

Question 38

cingulum

Answer 38

lingual crown projection on the anterior teeth

Question 39

groove

Answer 39

line between the primary parts of a crown or root

Question 40

pit

Answer 40

pinpoint depression at the junction or termination of a groove

Question 41

lobe

Answer 41

primary center of development within a tooth

Question 42

mamelon

Answer 42

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

Question 43

furcation

Answer 43

where the root divides

Question 44

root apex

Answer 44

the opening in the root for entrance of the pulp

Question 45

pulp

Answer 45

vascular innervated portion of the tooth

Question 46

pulp chamber

Answer 46

chamber containing dental pulp

Question 47

pulp horn

Answer 47

highest projection of pulp chamber within the crown

Question 48

pulp canal

Answer 48

inner portion of the root containing the dental pulp

Question 49

periodontium

Answer 49

the tissues that surround the teeth

Question 50

periodontium includes (4)

Answer 50

gingiva cementum alveolar bone periodontal ligament

Question 51

gums/gingiva covers

Answer 51

the bone and surrounds the cervical portions of teeth

Question 52

cervical means

Answer 52

toward CEJ

Question 53

gingiva is divided into (3)

Answer 53

free gingiva attached gingiva interdental papilla

Question 54

alveolar mucosa

Answer 54

dark red; loose attachment to the underlying bone

Question 55

mucogingival junction

Answer 55

junction of the alveolar mucosa and gingiva

Question 56

free gingiva

Answer 56

closer to the tooth crown, not attached to bone

Question 57

free gingival groove

Answer 57

separates attached gingiva from free gingiva

Question 58

interdental papilla (gingival papilla/GP)

Answer 58

the triangular shaped gingiva that occupies the gingival embrasure

Question 59

gingival sulcus

Answer 59

space between tooth surface and narrow cervical collar of free gingiva

Question 60

gingival sulcus is not seen visually, but

Answer 60

can be evaluated with a periodontal probe

Question 61

periodontal ligament (PDL)

Answer 61

surrounds tooth root and attaches tooth to alveolar bone (periodontal fibers)

Question 62

alveolar bone

Answer 62

aka alveolar process | forms and supports tooth sockets