Unit 3 part 1

Question 1

What are the 3 stages of Odontogenesis?

Answer 1

Bud
Cap
Bell

Question 2

What is present in the bud stage?

Answer 2

Inner enamel

Outer enamel

Question 3

What is present in the cap stage?

Answer 3

IE
OE
Stellate Reticulum
Dental Papilla
Dental Sac

Question 4

What is present in the bell stage?

Answer 4

IE
OE
Stellate Reticulum
Dental Papilla
Dental Sac
Stratum Intermedium

Question 5

What invaginate s to become a tooth bud?

Answer 5

Dental lamina

Question 6

What provides nourishment to the IE and OE?

Answer 6

Stellate reticulum

Question 7

The stratum Intermedium lies between what 2 structures?

Answer 7

Stellate reticulum

IE

Question 8

The dental papilla makes what part/s of the tooth?

Answer 8

Dentin

Pulp

Question 9

Baby teeth give rise to adult teeth through a ——– ——-?

Answer 9

Successional lamina

Question 10

What teeth are Non-Succedaneous?

Answer 10

Adult molars

Question 11

What part of the tooth development turns into ameloblasts?

Answer 11

Inner Enamel Epithelium

Question 12

What part of the tooth development becomes odontoblasts?

Answer 12

Dental papilla closest to IEE

Question 13

The cells that form odontoblasts start out as ———- cells?

Answer 13

Mesenchymal

Question 14

Ameloblasts and odontoblasts lay down a ——— layer that ——– ——— stick to?

Answer 14

Muco- polysaccharide

Hydroxyapatite crystals

Question 15

Enamel is —–% inorganic?

Answer 15

96

Question 16

Dentin is around ——% inorganic?

Answer 16

70

Question 17

——-dentin is before tooth eruption occurs?

Answer 17

Primary

Question 18

Secondary dentin is made ——- the tooth erupts?

Answer 18

After

Question 19

What is the term for pieces of retained embryonic tissue that get turned on at a later time?

Answer 19

Rests of mallisae

Question 20

An Ameloblastoma arises from?

Answer 20

IEE or ameloblasts

Question 21

Ameloblastomas develop due to a —— or by ——- causes?

Answer 21

Trauma

Iatrogenic

Question 22

80% of Ameloblastoma occur in the ——?

Answer 22

Mandible

Question 23

Ameloblastomas cause ——- of mandible with a thinning of the —— —–?

Answer 23

Expansion

Cortical plate

Question 24

Ameloblastomas are ——- destructive and the patient may loose——?

Answer 24

Locally

Teeth after excision

Question 25

What is the term for multiple small teeth?

Answer 25

``` Compound odontoma (Dentricles) ```

Question 26

The dentricles in a compound odontoma are surrounded by?

Answer 26

Fibrous sac

Question 27

A complex odontoma is -------- and seen as a ----------?

Answer 27

Rare | Big mass of dental tissue

Question 28

If you saw a cyst/abscess on an x-ray and removed it an biopsied it and it came back as tooth forming mesenchymal tissue it would be called a?

Answer 28

Odontogenic fibroma

Question 29

An odontogenic cementoma comes from?

Answer 29

Active cemental or mesenchymal tissue

Question 30

An odontogenic cementoma appears in what area?

Answer 30

Apice of root

Question 31

The pulp exits the ----- -----

Answer 31

Apical foramen

Question 32

The bulk of the pulp is located?

Answer 32

Pulp chamber

Question 33

What is a common reason RCT fail?

Answer 33

Accessory foramen

Question 34

What problem USUALLY causes apical problems?

Answer 34

Trauma

Question 35

A periapical abscess is due to ------- of pulp exiting the foramen

Answer 35

Necrosis

Question 36

What causes symptoms of tooth sensitivity?

Answer 36

Lack of blood flow due to inflammation process due to bacterial infection

Question 37

If you see an abscess clinically the pulpitis is of -------- duration

Answer 37

Chronic

Question 38

If an abscess is left long enough it can heal itself and become a?

Answer 38

Periapical granuloma

Question 39

The drainage site of an abscess is termed?

Answer 39

Fistula

Question 40

Acute pulpitis is ------- and turns into?

Answer 40

Irreversible | Pulpal abscess

Question 41

-------- is used to describe an abscess after it goes beyond the cortical plate?

Answer 41

Cellulitis

Question 42

A chronic open pulpitis is due to a ----- in the tooth where the ------ is exposed and the body heals itself and forms ------- to protect itself?

Answer 42

Break Pulp Granular tissue covering

Question 43

An apical cyst is more -------- and comes from -------- | It won't go away unless you remove it?

Answer 43

Circular | Rests of malassez