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Orthodontics > Lecture 1 - Tooth Eruption > Flashcards

Lecture 1 - Tooth Eruption Flashcards

1
Q

Orthodontics

A

branch of dentistry dealing with straightening of teeth

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2
Q

Does ortho use fixed and removable?

A

yes

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3
Q

Father of modern orthodontics

A

Edward H. Angle

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4
Q

Occlusion

A

refers to relationship between upper and lower jaws through dental (tooth) contact

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5
Q

Mixed dentition period

A

6-12 years

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6
Q

Primary dentition period

A

0-12 years

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7
Q

Permanent dentition period

A

6-life

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8
Q

primary teeth

A

20

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9
Q

permanent teeth

A

32

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10
Q

Eruption of maxillary central incisors

A

7-8 yrs

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11
Q

Eruption of maxillary lateral incisors

A

8-9 yrs

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12
Q

Eruption of maxillary Canine

A

11-12 yrs

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13
Q

Eruption of maxillary 1st PM

A

10-11 yrs

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14
Q

Eruption of maxillary 2nd PM

A

10-12 yrs

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15
Q

Eruption of maxillary 1st molar

A

6-7 yrs

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16
Q

Eruption of maxillary 2nd molar

A

12-13 yrs

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17
Q

Eruption of maxillary 3rd molar

A

17-21 yrs

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18
Q

Eruption of mandibular 3rd molar

A

17-21 yrs

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19
Q

Eruption of mandibular 2nd molar

A

12-13 yrs

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20
Q

Eruption of mandibular 1st molar

A

6-7 yrs

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21
Q

Eruption of mandibular 2nd PM

A

10-12 yrs

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22
Q

Eruption of mandibular 1st PM

A

10-11 yrs

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23
Q

Eruption of mandibular canine

A

11-12 yrs

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24
Q

Eruption of mandibular lateral incisor

A

8-9 yrs

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25
Q

Eruption of mandibular central incisor

A

7-8 yrs

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26
Q

Eruption of primary maxillary central incisor

A

8-12 months

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27
Q

Eruption of primary maxillary lateral incisor

A

9-13 months

28
Q

Eruption of primary maxillary canine

A

16-22 months

29
Q

Eruption of primary maxillary 1st molar

A

13-19 months

30
Q

Eruption of primary maxillary 2nd molar

A

25-33 months

31
Q

Shedding of primary maxillary central incisor

A

6-7 yrs

32
Q

Shedding of primary maxillary lateral incisor

A

7-8 yrs

33
Q

Shedding of primary maxillary canine

A

10-12 yrs

34
Q

Shedding of primary maxillary 1st molar

A

9-11 yrs

35
Q

Shedding of primary maxillary 2nd molar

A

10-12 yrs

36
Q

Eruption of primary mandibular 2nd molar

A

23-31 months

37
Q

Eruption of primary mandibular 1st molar

A

14-18 months

38
Q

Eruption of primary mandibular Canine

A

17-23 months

39
Q

Eruption of primary mandibular lateral incisor

A

10-16 months

40
Q

Eruption of primary mandibular central incisor

A

6-10 months

41
Q

Shedding of primary mandibular 2nd molar

A

10-12 yrs

42
Q

Shedding of primary mandibular 1st molar

A

9-11 yrs

43
Q

Shedding of primary mandibular canine

A

9-12 yrs

44
Q

Shedding of primary mandibular lateral incisor

A

7-8 yrs

45
Q

Shedding of primary mandibular central incisor

A

6-7 yrs

46
Q

Girls growth spurt ages

A

10-13 yrs

47
Q

Boys growth spurt ages

A

12-16 yrs

48
Q

dentofacial orthopedic

A

altering the growth process using ortho before the child has his/her growth spurt

49
Q

Which grows faster: mandible or maxilla?

A

mandible

50
Q

When does the mandible catch up to the maxilla?

A

during puberty

51
Q

Which starts out more anterior: mandible or maxilla?

A

maxilla

52
Q

Class I malocclusion

A

normal relationship of mandible and maxilla

53
Q

Class II malocclusion

A

maxillary teeth ahead of mandibular teeth

54
Q

Class III malocclusion

A

mandibular teeth ahead of maxillary teeth

55
Q

Orthodontists use diagnostic tools to determine what 3 things?

A
  1. Where to position teeth
  2. Where/when to extract teeth
  3. How the teeth are going to be moved
56
Q

Early development problems

A
  1. Cleft lip/palate

2. Craniofacial deformities/syndromes

57
Q

Early adolescent problems

A
  1. Habits (thumb sucking, tongue thrusting)
  2. Injuries
  3. Congenital problems (missing, malformed, supernumerary teeth)
  4. Jaw size discrepancies
  5. Crowding
  6. Early loss of primary teeth
58
Q

Adolescent problems

A
  1. Impactions

2. Crowding

59
Q

Are most developmental dental problems related to genetics?

A

no

60
Q

Neural crest derivatives

A
  1. Cranial and Sensory Ganglia and Nerves
  2. Adrenal medulla
  3. Ectomesenchyme Bones and skull
  4. Dentin
  5. PDL
  6. Alveolar bone
61
Q

Neuroectoderm derivatives

A
  1. Posterior pituitary
  2. Pineal body
  3. Retina
  4. CNS
62
Q

Intermediate plate derivatives

A

Urogenital plate

63
Q

Lateral plate derivatives

A
  1. CT (mesenchyme)
  2. Muscles of Viscera
  3. Serous membranes of pleura
  4. Pericardium and Peritoneum
  5. Blood and Lymph cells
  6. CVS
  7. Lymphatic systems
64
Q

Paraxial derivatives

A
  1. Muscles of trunk
  2. Skeleton (not skull)
  3. Dermis of skin
  4. CT (mesenchyme)
65
Q

Surface ectoderm derivatives

A
  1. Epidermis
  2. Hair
  3. Nails
  4. Cutaneous Glands
  5. Mammary glands
  6. Anterior pituitary glands
  7. Parenchyma of salivary gland
  8. Enamel of teeth
  9. Lens
  10. Inner ear
66
Q

Endoderm derivatives

A
  1. Epithelial component of trachea
  2. Bronchi and lungs
  3. Epithelium of GI tract
  4. Liver
  5. Pancreas
  6. Urinary bladder
  7. Urachus
  8. Epithelial Component of Pharynx
  9. Thyroid
  10. Tympanic cavity
  11. Pharygotympanic tube
  12. Tonsils and Parathyroids
67
Q

Pharyngeal arches are homologous to what?

A

branchial chamber and gill systems of fish

Orthodontics (2 decks)

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