MODULE 14

Question 1

the anatomical area of teeth, usually covered by enamel

Answer 1

crown

Question 2

the whole crown area above the neck, above the cementoenamel junction

Answer 2

anatomical crown

Question 3

a portion of the anatomical crown that is visible or exposed in the oral cavity

Answer 3

clinical crown

Question 4

part of the tooth between the root and the crown

Answer 4

the neck

Question 5

the neck is also called as the

Answer 5

dental cervix

Question 6

the __ is below the gingiva and is anchored to the bone

Answer 6

the root

Question 7

the center portion of the root known as the

Answer 7

root canal

Question 8

found below the cementoenamel junction and is covered with cementum.

Answer 8

anatomical root

Question 9

portion of the anatomical root that is exposed/embedded in the bone

Answer 9

clinical root

Question 10

the hardest and most mineralized substance of the body

Answer 10

enamel

Question 11

the four major tissues that make up the tooth

Answer 11

enamel, dentin, cementum, and dental pulp

Question 12

inorganic and organic material in enamel

Answer 12

96% inorganic, 4% water and organic material

Question 13

the normal color of enamel

Answer 13

light yellow or grayish white

Question 14

enamels primary mineral

Answer 14

hydroxyapatite

Question 15

hydroxyapatite is a

Answer 15

crystalline calcium phosphate, primary inorganic component of the teeth

Question 16

the substance between enamel or cementum and the pulp chamber

Answer 16

dentin

Question 17

ang nag form sa dentin

Answer 17

odontoblasts

Question 18

the formation of dentin is known as

Answer 18

dentinogenesis

Question 19

dentin is made up of

Answer 19

70% inorganic 20% organic 10% water

Question 20

microscopic channels in dentin called as

Answer 20

dentinal tubules

Question 21

a layer of dentin produced after a root formation and continues to form with age

Answer 21

secondary dentin

Question 22

layer of dentin created in response to stimulus, such as cavities and tooth wear

Answer 22

tertiary dentin

Question 23

what is dentinal hypersensitivity

Answer 23

sharp pain in the tooth caused by exposed dentin and open dentinal tubules

Question 24

a specialized bone like substance covering the root of a tooth.

Answer 24

cementum

Question 25

cementum is made up of

Answer 25

45% inorganic, 33% organic 22% water

Question 26

cementum is excreted by

Answer 26

cementoblasts

Question 27

part of the tooth where the periodontal ligament attaches to

Answer 27

cementum

Question 28

the central part of the tooth filled with soft connective tissue

Answer 28

dental pulp

Question 29

This tissue contains blood vessels and nerves that enter the tooth from a hole at the apex of the root

Answer 29

dental pulp

Question 30

portion of the dental pulp contained within the pulp chamber or crown cavity of the tooth.

Answer 30

coronal pulp

Question 31

part of the dental pulp contained within the apical or root portion of the tooth.

Answer 31

radicular pulp

Question 32

the specialized tissues that both surround and support the teeth

Answer 32

the periodontium

Question 33

tissues of the periodontium

Answer 33

gingiva, cementum, periodontal ligaments, alveolar bone

Question 34

the thickened ridge of bone that contains the tooth sockets (dental alveoli) on the jaw bones that hold teeth.

Answer 34

alveolar bone

Question 35

curved part of each alveolar process on the jaw is called

Answer 35

alveolar arch

Question 36

a region of compact bone adjacent to the periodontal ligament

Answer 36

lamina dura

Question 37

alveolar bone is made up of

Answer 37

67% inorganic 33% organic

Question 38

compact bone is also called as

Answer 38

cortical bone or cribriform plate

Question 39

dense bone in which the bony matrix is solidly filled with organic ground subtance

Answer 39

compact bone

Question 40

tiny spaces in the compact bone that contains osteocytes or bone cells

Answer 40

lacunae

Question 41

the layer that directly surrounds the tooth sockets,

Answer 41

alveolar bone proper

Question 42

the area of the bone that directly comes into contact with the root of a tooth

Answer 42

alveolar bone proper

Question 43

highly vascularized and contains red bone marrow

Answer 43

trabecular bone (spongy bone)

Question 44

what gives a trabecular bone is spongy appearance

Answer 44

trabeculae

Question 45

a group of specialized connective tissue fibers that essentially attach a tooth to the alveolar bone within

Answer 45

periodontal ligaments

Question 46

It forms the line where the cementum (that covers the root) meets the enamel.

Answer 46

dental cervix