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Flashcards in Manual Sidenotes Deck (45)
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Describe the dorsal surface of the tongue?

Rough and irregular

1

Describe the ventral surface of the tongue?

Smooth

2

It comprises the hard and soft palate?

Secondary palate

3

Hard palate arises from the fusion of?

Inferior nasal septum and palatine process

4

Non union of the inferior nasal septum and palatine processes?

Uranoschisis

5

Non union of the rest of the palatine process?

Staphyloschisis

6

Embryonic origin of vestibular lamina?

Ectoderm

7

First sign of tooth development?

Dental lamina

8

First sign of enamel organ formation?

Tooth bud

9

Enamel organ is also known as?

Dental organ

10

Stage where enamel and dentin is deposited?

Apposition

11

Describe the striae of retzius in the incisal tips and cuspal areas?

Concentric

12

Decribe the striae of retzius in proximal areas?

Oblique

13

Significance of the bands of hunter schregger?

Prevents enamel cracking during chewing

14

Enamel lamellae serves as?

Avenues for dental caries

15

Enamel tufts causes?

Lateral spread of caries

16

Structure best seen in cross section?

Enamel tufts

17

Enamel spindles causes?

Hypersensitivity of DEJ

18

Organic part of the enamel?

Enamel matrix

19

Inorganic part of enamel left during decalcification?

Enamel cuticle

20

Dentinal tubule with 3 or more branches?

Greater branching of the dentinal tubules

21

Significance of terminal branches of dentinal tubules?

Causes hypersensitivity to the DEJ

22

Content of dead tracts?

None

23

What can cause dead tracts? (5)

  • Attrition
  • Abrasion
  • Erosion
  • Caries
  • Odontoblastic crowding

24

It provides the vitality of the tooth?

Pulp

25

Makes the zone of weil fibrous in appearance?

Remaks fibers (unmyelinated)

26

What is formed slower? Acellular or cellular cementum?

Acellular

27

2 types of acellular cementum?

  • Acellular afibrillar
  • Acellular extrinsic fiber

28

Remnants of HERS?

Epithelial rest of Malassez

29

Persistent epithelial rest of Malassez may cause?

  • Enamel pearls/enamelomma
  • Cementicles
  • Cyst or tumor