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Oral Histology > Manual Sidenotes > Flashcards

Manual Sidenotes Flashcards

0
Q

Describe the ventral surface of the tongue?

A

Smooth

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1
Q

Describe the dorsal surface of the tongue?

A

Rough and irregular

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2
Q

It comprises the hard and soft palate?

A

Secondary palate

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3
Q

Hard palate arises from the fusion of?

A

Inferior nasal septum and palatine process

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4
Q

Non union of the inferior nasal septum and palatine processes?

A

Uranoschisis

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5
Q

Non union of the rest of the palatine process?

A

Staphyloschisis

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6
Q

Embryonic origin of vestibular lamina?

A

Ectoderm

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7
Q

First sign of tooth development?

A

Dental lamina

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8
Q

First sign of enamel organ formation?

A

Tooth bud

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9
Q

Enamel organ is also known as?

A

Dental organ

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10
Q

Stage where enamel and dentin is deposited?

A

Apposition

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11
Q

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

A

Concentric

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12
Q

Decribe the striae of retzius in proximal areas?

A

Oblique

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13
Q

Significance of the bands of hunter schregger?

A

Prevents enamel cracking during chewing

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14
Q

Enamel lamellae serves as?

A

Avenues for dental caries

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15
Q

Enamel tufts causes?

A

Lateral spread of caries

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16
Q

Structure best seen in cross section?

A

Enamel tufts

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17
Q

Enamel spindles causes?

A

Hypersensitivity of DEJ

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18
Q

Organic part of the enamel?

A

Enamel matrix

19
Q

Inorganic part of enamel left during decalcification?

A

Enamel cuticle

20
Q

Dentinal tubule with 3 or more branches?

A

Greater branching of the dentinal tubules

21
Q

Significance of terminal branches of dentinal tubules?

A

Causes hypersensitivity to the DEJ

22
Q

Content of dead tracts?

A

None

23
Q

What can cause dead tracts? (5)

A
  • Attrition
  • Abrasion
  • Erosion
  • Caries
  • Odontoblastic crowding
24
Q

It provides the vitality of the tooth?

A

Pulp

25
Q

Makes the zone of weil fibrous in appearance?

A

Remaks fibers (unmyelinated)

26
Q

What is formed slower? Acellular or cellular cementum?

A

Acellular

27
Q

2 types of acellular cementum?

A
  • Acellular afibrillar
  • Acellular extrinsic fiber
28
Q

Remnants of HERS?

A

Epithelial rest of Malassez

29
Q

Persistent epithelial rest of Malassez may cause?

A
  • Enamel pearls/enamelomma
  • Cementicles
  • Cyst or tumor
30
Q

Principal fibers of the PDL?

A

Dentoalveolar fibers

31
Q

Another term for interstitial tissue?

A

Indefinite tissue

32
Q

Contents of interstitial tissue?

A
  • Blood vessels
  • Nerves
  • Lymphatics
  • Connective tissue cells such as fibroblast, macrophage, mast cells
33
Q

Cells found inside the bone matrix?

A

Cementocytes

34
Q

Shallow depressions of the bone surface where osteoclasts are located?

A

Howships lacuna

35
Q

Found between the cortical plate of bone and alveolar bone proper?

A

Spongiosa

36
Q

Insertion of the periodontal ligament in the alveolar bone?

A

Sharpeys fiber

37
Q

Alveolar bone composed of sharpeys fiber?

A

Bundle bone

38
Q

Another term for gingiva?

A

Marginal periodontium

39
Q

Most peripheral part of the tooth supporting structures?

A

Gingiva

40
Q

Ligaments found above the alveolar bone? (2)

A
  • Gingival ligament
  • Transseptal ligament
41
Q

Gingival ligament is found in what layer of the gingiva?

A

Lamina propria

42
Q

Another term for transseptal ligament?

A

Interdental ligament

43
Q

It makes the serous cells darker in appearance?

A

Protein content

44
Q

It makes the mucous cells light in appearance?

A

Carbohydrates

Oral Histology (11 decks)

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