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ortho 2 lec > lec 1 orthodontics > Flashcards

lec 1 orthodontics Flashcards

1
Q

who defined orthodontics as:

branch of Dentistry, concerned

with the study of:

§ growth of craniofacial
§ development of occlusion
§ treatment of dentofacial
abnormalities

A

Moyers

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2
Q

who defined:

“specific area of dental profession that has its
responsibility the study and supervision of growth &
development of dentition and its related anatomical
structures from birth to dental maturity, including
all preventive & corrective procedures of dental
irregularities requiring the repositioning of teeth
by functional & mechanical means to establish
normal occlusion & pleasing facial contours

A

American Board of Orthodontics

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3
Q

comes from 2 Greek Words
ü “Orthos”: _________
ü “Dons”:_________

A

right or correct
tooth

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4
Q

Orthodontia was first used by Frenchman ____________________

A

Le Foulon in 1839

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5
Q

Branches of Orthodontics

A

Ø Preventive Orthodontics
Ø Interceptive Orthodontics
Ø Corrective Orthodontics

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6
Q

ü action taken to preserve integrity of what appears to be normal occlusion at specific time

A

Preventive Orthodontics

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7
Q

ü maintenance of tooth form
§ proper restoration

A

Preventive Orthodontics

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8
Q

ü elimination of deleterious local habits involving dentofacial structure

A

Preventive Orthodontics

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9
Q

ü correction of contributory
causes such as
§ incorrect posture
§ malnutrition

A

Preventive Orthodontics

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10
Q

ü timely removal of individual teeth

A

Preventive Orthodontics

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11
Q

ü use of space maintainers
§ after premature loss
of deciduous teeth

A

Preventive Orthodontics

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12
Q

phase of science & art of
Orthodontics

§ employed to recognize & eliminate potential
irregularities & malpositions in developing Dentofacial Complex

A

Interceptive Orthodontics

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13
Q

true or false:
certain procedure under
preventive & interceptive
Orthodontics fields may
overlap

A

true

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14
Q

recognizes the existence of a malocclusion

A

Corrective Orthodontics

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15
Q

common appliances used in the correction of cross bite

A

ü Tongue Blade Therapy
ü Quadhelix Apppliance
ü Inclined Planes

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16
Q

recognizes the need for
employing certain technical procedures to
reduce and eliminate problem

A

Corrective Orthodontics

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17
Q

Aims of Orthodontic Treatment

A

Ø should not only satisfy patient’s esthetics desires but also certain functional & physiologic requirements

Ø Jackson Triad
ü Functional Efficiency
ü Structural Balance
ü Esthetic Harmony

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18
Q

ü teeth along with their
surrounding structures are required to perform
certain important functions

A

Functional Efficiency

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19
Q

treatment should increase efficiency of the function performed by stomatognathic system

A

Functional Efficiency

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20
Q

structures affected by
treatment include, not
only teeth but also
surrounding soft tissue
envelop & associated
skeletal structures

A

Structural Balance

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21
Q

ü treatment should maintain
a balance between
these structures

A

Structural Balance

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22
Q

correction of should not
be detrimental to the
health of another

A

Structural Balance

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23
Q

treatment should increase overall esthetic appeal

A

Esthetic Harmony

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24
Q

may require:
§ alignment of teeth
§ forward movement of
complete jaw including
its basal bone

A

Esthetic Harmony

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25
Q

Scope of Orthodontics

A

Ø (1) Moving teeth
Ø (2) Orthopedic change
Ø (3) Altering soft tissue envelop

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26
Q

ü without deleterious
effects into more ideal
locations

A

Moving teeth

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27
Q

ü use of functional appliances
ü possible to move entire jaws into favorable positions

A

Orthopedic Change

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28
Q

Orthodontist can help
retain or restrain soft
tissues & bring about
a change in them:
§ by altering position
of teeth & jaws

A

Altering Soft Tissue Envelop

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29
Q

Scope of Orthodontics

Ø directed to ___________
Ø _____________ of the complex of craniofacial bones

A

malocclusion
abnormal growth

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30
Q

Scope of Orthodontics

Ø malfunction of orofacial
neuromasculature which alone or in combination may cause:

ü (1) ____________
ü (2) ______________
ü (3) _______________
ü (4) _______________
ü (5)______________
ü (6)______________

A

impaired mastication
unfortunate facial esthetics
dysfunction of temporomandibular
articulation
susceptibility to periodontal cause
susceptibility to dental caries
impaired speech due to malpositions of teeth

31
Q

Interceptive Appliance Types:

A

ü Band and Loop
ü Soldered Fixed Lingual Arch or Mandibular Holding Arch
ü Transpalatal Arch
ü Nance Appliance

32
Q

1st to draw attention towards association of teeth to jaw structures

A

Hippocrates
(460-377 BC)

33
Q

1st recorded method of
treatment

A

Celsus
(125 BC-50AD)

34
Q

suggested 1st mechanical
treatment for correcting
irregularities

A

Gaius Plinius Secundus (Pliny) (AD 23-79)

35
Q

advocated filing of elongated teeth to produce proper alignment

A

Gaius Plinius Secundus (Pliny) (AD 23-79)

36
Q

1st to mention supernumerary
teeth

A

Paul of Aegina
(AD 625-690)

37
Q

1st to mention “separators” for teeth

§ to open or widen teeth
when they are set too close together

A

Piette Dionis
(AD 625-690)

38
Q

1st to mention casts in
Dentistry

A

Matthacus Gottfried Purmana
(1962)

39
Q

used wax as impression
material

A

Matthacus Gottfried Purmana (1962)

40
Q

1st to report Plaster of paris for impressions

A

Phillip Pfall (1756)

41
Q

Father of Modern Dentistry

A

Pierre Fauchard
(1728)

42
Q

1st to use the title
“surgeon-dentist”

A

Pierre Fauchard (1728)

43
Q

made the 1st comprehensive discussion of regulating teeth

A

Pierre Fauchard (1728)

44
Q

In his Treatise on Dentistry published in 1728

§ Discussed bandelette
o Expansion arch

A

Pierre Fauchard (1728)

45
Q

§ Discussed bandelette
o Expansion arch

A

Pierre Fauchard (1728)

46
Q

wrote about irregularities of teeth & their
correction

Natural History of Human Teeth (1771 and 1778)

A

John Hunter (1728-1793)

47
Q

recognized habit as a
factor in malocclusion

A

Joseph Sigmond (1825)

48
Q

1st mentioned thumbsucking as a cause of dental abnormalities

A

William Imrie (1834)

49
Q

coined the term Orthodontia

A

Le Foulon (1839)

50
Q

presented the 1st obturator to a cleft palate patient

A

Norman William Kingsley
(1859)

51
Q

1st outstanding work devoted exclusively to Orthodontics

  • Treatise on Irregularities
    of the Teeth & their Correction
A

John Nutting Farrar
(1839-1913)

52
Q

presented his classification of maloclusion (1887)

A

Edward H Angle

53
Q

started his 1st school in Orthodontics in St. Louis

A

Edward H Angle

54
Q

proponent of non-extraction school of thought

A

Edward H Angle

55
Q

developed appliances:

§ E-arch
§ Pin & Tube appliance
§ Ribbon Arch appliance
§ Edgewise appliance

A

Edward H Angle

56
Q

comprised of ligatures from a heavy (0.036” - 0.060” gold) labial arch that brought misaligned teeth to the line of occlusion

A

E-ARCH

57
Q

these pins were repositioned at each appointment through the process of resoldering to effect gradual straightening of the arch to ideal

A

PIN AND TUBE APPLIANCE (1910)

58
Q

soft gold
0.022 x 0.028 inch slot
slot was readily deformed by the forces of occlusion

A

original bracket (evolution of edgewise brackets)

59
Q

evolution of edgewise appliance

_________________(1915)
brackets

A

the ribbon arch

60
Q

stressed importance of
root movement (1892)

A

Calvin S. Case

61
Q

1st to use elastics for treatment

A

Calvin S. Case

62
Q

advocated use of light resilient wires for tooth alignment (1917)

A

Calvin S. Case

63
Q

pioneered the use of retainers to stabilize
Orthodontic results

A

Calvin S. Case

64
Q

opposed Angle school of universal applicability of normal occlusion theory

§ advocated extractions as part of Orthodontic treatment

A

Calvin S. Case

65
Q

wrote the book Practical Orthodontics

A

Martin Dewey (1914)

66
Q

founded the International Journal of Orthodontics

§ now called American Journal of Orthodontics & Orthopedics

A

Martin Dewey (1914)

67
Q

made a modification on Angle’s classification of malocclusion

A

Martin Dewey (1914)

68
Q

presented Begg appliance

§ modification of ribbon arch appliance

§ used extremely light forces for treatment

A

Raymond Begg (1930)

69
Q

introduced light wire fixed appliance technique that was based on the concept of differential force

A

Raymond Begg (1930)

70
Q

was instrumental in founding American Board of Orthodontics

investigated the problem of root resorption

A

Albert H. Ketcham (1870-1935)

71
Q

his study did much to alert the profession

§ pathological results of improperly guided treatment

§ awaken the feeling of “ biological sense”

A

Albert H. Ketcham (1870-1935)

72
Q

ü was one of the 12 men to take Angle’s course in Orthodontics

ü helped Angle with the experiment on the new pin and tube appliance

A

Milo Hellman (1872-1947)

73
Q

pioneered the use of wrist and hand x-rays

§ determine growth age & status for patients

A

Milo Hellman (1872-1947)

ortho 2 lec (4 decks)

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