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Ortho > Exam 1 - Dental Arch Development > Flashcards

Exam 1 - Dental Arch Development Flashcards

1
Q

Maxillary Central

Crown Completion
Eruption
Root Completion

A

1.5 mths
10 mths
1.5 yr

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2
Q

Mandibular Central

Crown Completion
Eruption
Root Completion

A

2.5 mth
8 mth
1.5 yr

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3
Q

Maxillary Lateral

Crown Completion
Eruption
Root Completion

A

2.5 mth
11 mth
2 yr

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4
Q

Mandibular Lateral
Maxillary Lateral

Crown Completion
Eruption
Root Completion

A

3 mth
13 mth
1.5 yr

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5
Q

Maxillary Canine

Crown Completion
Eruption
Root Completion

A

9 mth
19 mth
3.25 yrs

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6
Q

Mandibular Canine

Crown Completion
Eruption
Root Completion

A

9 mth
20 mth
2.35 yr

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7
Q

Maxillary First Molar

Crown completion
Eruption
Root Completion

A

6 mth
16 mth
2.5yr

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8
Q

Mandibular First Molar

Crown completion
Eruption
Root Completion

A

5.5 mth
16 mth
2.25 yr

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9
Q

Maxillary Second Molar

Crown completion
Eruption
Root Completion

A

11 mth
29 mth
3 yr

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10
Q

Mandibular Second Molar

Crown completion
Eruption
Root Completion

A

10 mth
27 mth
3 yr

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11
Q

Eruption of:

  1. Mand 1st molar
  2. Max 1st Molar
  3. Mand Central Incisor
A

Dental Age 6

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12
Q

Eruption of:

  1. Max Central incisor
  2. Mand Lateral Incisor
A

Dental Age 7

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13
Q

Eruption of:
1. Max lateral incisor

Then a 2-3 year delay before any further eruption

A

Dental Age 8

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14
Q

Root development of canines and premolars with resorption of primary roots

A

Dental Age 9-10

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15
Q

Permanent canine points mesially towards lateral incisors

Temporary incisor spacing and distal tipping

Known as the ugly duckling stage

A

Dental Ages 9-11

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16
Q

Eruption of:

  1. Mandibular Canine
  2. Mandibular 1st premolars
  3. Maxillary 1st premolars
A

Dental Age 11

17
Q

Eruption of:

  1. Maxillary 2nd premolar
  2. Mandibular 2nd premolar
  3. Maxillary canine
  4. 2nd Molars
A

Dental Age 12

18
Q

Roots of all permanent teeth complete (except 3rd molars)

Crown formation of 3rd molars

A

Dental Age 13-15

19
Q

If you have a primary molar relationship that is a distal step, what permanent molar relationship are you likely to develop?

A

Class II molar relationship

20
Q

If you have a primary molar relationship that is a mesial step, what permanent molar relationship are you likely to develop?

A

Class I molar relationship

21
Q

If you have a primary molar relationship that is an exaggerated mesial step and you have continued horizontal growth of the mandible, what permanent molar relationship are you likely to develop?

A

Class III molar relationship

Ortho (5 decks)

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