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Ondontogenesis > Eruption of Teeth > Flashcards

Eruption of Teeth Flashcards

1
Q

What 3 things contribute to Reduced Enamel Epithelium?

A
  1. Outer Enamel Epithelium
  2. Stellate Reticulum
  3. Stratum Intermedium
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2
Q

What is the function of the Reduced Enamel Epithelium?

A
  1. Protection of the tooth during eruption from osteoclasts.

2. Provides attachment to the tooth.

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3
Q

What type of junction is formed in the dentogingival junction?

A

Hemidesmosome; junctional and sucular epithelium

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4
Q

In order for primary tooth eruption to occur what process must be completed?

A

Amelogenesis

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5
Q

In order for primary tooth eruption to occur what structure must be present?

A

acellular dental cuticle

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6
Q

What is formed during primary tooth eruption?

A

Reduced enamel epithelium

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7
Q

What does REE fuse to in primary tooth eruption?

A

Oral epithelium

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8
Q

How is the oral epithelium disintegrated to form a “tunnel” for eruption?

A

Enzymes

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9
Q

What pathology is created by the disintegration of the oral epithelium that is seen in the mouth clinically?

A

Inflammation and teething

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10
Q

Creating the “tunnel” for primary tooth eruption creates eruption without bloodshed…true or false?

A

True

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11
Q

What two processes contribute to primary tooth exfoliation?

A

Osteoclasts & Odontoclasts

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12
Q

What do Osteoclasts and Odontoclasts create?

A

Loosening or tightening of primary teeth soon to be lost.

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13
Q

What are osteoclasts?

A

Cells that function in in resorption of bone.

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14
Q

What are odontoclasts?

A

Cells that resorb dentin, cementum, and enamel.

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15
Q

Which process is attributed to tightening in primary tooth exfoliation?

A

Odontoblasts and cementoblasts.

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16
Q

What is the process of eruption for Permanent teeth?

A

Same as primary teeth…

  1. REE
  2. Enzymes
  3. Tunnel
  4. Eruption
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17
Q

In primary dentition when do the maxillary central incisors erupt?

A

7-8 months

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18
Q

In primary dentition when do the mandibular central incisors erupt?

A

6 months.

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19
Q

In primary dentition when do the maxillary lateral incisors erupt?

A

9 months

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20
Q

In primary dentition when do the mandibular lateral incisors erupt?

A

7 months

21
Q

In primary dentition when do the maxillary & mandibular canines erupt?

A

16-18 months

22
Q

In primary dentition when do the first molars of the maxillary and mandibular arch erupt?

A

12-14 months

23
Q

In primary dentition when do the maxillary second molars erupt?

A

24 months

24
Q

In primary dentition when do the mandibular second molars erupt?

A

20 months

25
Q

What is the order of eruption for primary dentition?

A

Alternating between Mandibular and Maxillary arches starting with the Mandibular arch…

  1. Man. Central incisors
  2. Max. Central incisors
  3. Man. Lateral incisors
  4. Max. Lateral incisors
  5. Man. First molars
  6. Max. First molars
  7. Man. Canines
  8. Max. Canines
  9. Man. Second molars
  10. Max. Second molars
26
Q

In permanent dentition when do maxillary central incisors erupt?

A

7-8 years

27
Q

In permanent dentition when do mandibular central incisors erupt?

A

6-7 years

28
Q

In permanent dentition when do maxillary lateral incisors erupt?

A

8-9 years

29
Q

In permanent dentition when do mandibular lateral incisors erupt?

A

7-8 years

30
Q

In permanent dentition when do maxillary canines erupt?

A

11-12 years

31
Q

In permanent dentition when do mandibular canines erupt?

A

9-10 years

32
Q

In permanent dentition when do maxillary 1st premolars erupt?

A

10-11 years

33
Q

In permanent dentition when do mandibular 1st premolars erupt?

A

10-12 years

34
Q

In permanent dentition when do maxillary 2nd premolars erupt?

A

10-12 years

35
Q

In permanent dentition when do mandibular 2nd premolars erupt?

A

11-12 years

36
Q

In permanent dentition when do maxillary and mandibular 1st molars erupt?

A

6-7 years

37
Q

In permanent dentition when do maxillary 2nd molars erupt?

A

12-13 years

38
Q

In permanent dentition when do mandibular 2nd molars erupt?

A

11-13 years

39
Q

In permanent dentition when do maxillary and mandibular 3rd molars erupt?

A

17-21 years

40
Q

What is the order of eruption for permanent dentition? (Maxillary and Mandibular Only)

A
  1. Man
  2. Max/Man
  3. Max/Man
  4. Max
  5. Man
  6. Max
  7. Max/Man
  8. Man/Max
  9. Man
  10. Max
  11. Third Molars
41
Q

What is the order of eruption for permanent dention? (Teeth types)

A
  1. CI
  2. 1M
  3. CI/LI
  4. LI
  5. C
  6. 1pM
  7. 2pM/1pM
  8. 2pM/C
  9. 2M
  10. 2M
  11. Third Molars
42
Q

At Six years of age will the patient have any permanent teeth erupted?

A

No

43
Q

At 7 years of age will the patient have any permanent teeth erupted?

A

Yes, #3, #30, #24, #25, #14, #19

44
Q

At 8 years old what permanent teeth will be erupted?

A

Maxillary: central incisors & 1st molars
Mandibular: Central, Lateral incisors, 1st molars.

45
Q

At 9 years old will the patient have any permanent canines?

A

No

46
Q

At 9 years old what permanent teeth will the patient have?

A

Maxillary: Incisors (central and lateral) & 1st molars
Mandibular: Incisors (central and lateral) & 1st Molars

47
Q

At ten years old what permanent teeth will have erupted?

A

Maxillary: Incisors & 1st molars
Mandibular: Incisors, 1st molars, & canines

48
Q

At 11 years old what permanent teeth will have erupted?

A

Maxillary: Incisors, 1st Molars, 1st Premolars
Mandibular: Incisors, Canines, 1st molars

49
Q

At 12 years old what permanent teeth are erupted?

A

Maxillary: All but 2nd and 3rd molars
Mandibular: All but 3rd molars

Ondontogenesis (10 decks)

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