oral histology

Question 1

anatomic crown

Answer 1

portion of the tooth that covered by enamel

Question 2

clinical crown

Answer 2

portion of the tooth that is visible in the mouth

Question 3

hardest material in the body ,makes up anatomical crown, ranges in color from greyish white to yellow

Answer 3

enamel

Question 4

formed by ameloblasts

Answer 4

enamel

Question 5

incremental growth rings which represent variations in the deposition of enamel during formation

Answer 5

striae of retzius

Question 6

makes up the main portion of the tooth, covered by enamel and cementum and protects the pulp

Answer 6

dentin

Question 7

microscopic canals in dentin

Answer 7

dentin tubules

Question 8

extends the length of enamel/cementum

Answer 8

dentinal fibre

Question 9

includes pulp horns, pulp that lies within the crown

Answer 9

coronal pulp

Question 10

apically located, aka root pulp

Answer 10

radicular pulp

Question 11

opening at the apex for continuation of the nerve

Answer 11

apical foramen

Question 12

covers root of tooth only, bonelike, rigid connective tissue, light yellow, lacks buster, carter hue

Answer 12

cementum

Question 13

space between the teeth and inner mucosal lining of the lips and cheeks

Answer 13

vestibule

Question 14

interdental septum

Answer 14

bony area that separates one socket from another

Question 15

interradicular septum

Answer 15

bone that separates the roots of a multirooted tooth

Question 16

thin, compact bone lines alveolar socket, porous to allow blood vessels to flow through , appears as a thin white line in radiographs

Answer 16

lamina dura

Question 17

dense connective tissue, connects cementum with alveolar bone of the socket wall

Answer 17

periodontal ligaments

Question 18

periodontal fiber group

Answer 18

supports the tooth in the socket

Question 19

transseptal fiber group

Answer 19

supports the tooth in relation to neighbouring teeth

Question 20

gingival fiber group

Answer 20

supports gingiva that surrounds tooth

Question 21

lining mucosa

Answer 21

soft moist texture, covers inside of cheeks, vestibule, lips, soft palate

Question 22

masticatory mucosa

Answer 22

rubbery surface texture, covers attached gingiva, hard palate, dorsum of tongue

Question 23

specialized mucosa

Answer 23

sensations of tongue, dorsal of tongue

Question 24

sulcus

Answer 24

space between the tooth and gum

Question 25

tissue at the base of the sulcus where the gingiva attached to the tooth

Answer 25

epithelial attachment

Question 26

shallow groove that runs parallel to the margin of the unattached gingiva and marks beginning of attached gingiva

Answer 26

gingival groove

Question 27

extends from the base of the sulcus to the mucogingival junction, striped, dense tissue, firmly bound, resilient

Answer 27

attached gingiva