Ortho diagnosis Flashcards

1
Q

pt at risk of infective endo - ensure?

A

good oh when wearing appliance

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2
Q

pt with epilepsy caution with?

A

delay tx until well controlled
phenytoin - g. overgrowth
caution with URA’s - fixed is better - less trauma risk

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3
Q

pt on bisphosphonate caution with?

A

if high risk pt maybe better to accept malocclusion

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4
Q

pt has diabetes caution with?

A

need good oh - increased risk of perio breakdown

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5
Q

pt has asthma caution with?

A

ensure pt rinses mouth after appliance use

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6
Q

why might you worry about a pt with recurrent oral apthous ulcers?

A

trauma form appliance may exacerbate

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7
Q

what social history might affect pts ability to have an appliance?

A
thumb sucking - habits
motivation levels
hobbies - wind instruments
FH of same skeletal patterns
ability to attend apps
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8
Q

assess skeletal pattern from what angles?

A

anteroposterior
vertically
transversley

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9
Q

how to view AP angle?

A

pt side on

identify class

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10
Q

how to view vertical?

A

look at lower face height
distance from eyebrow to base of nose should equal base of nose to lower chin
frankfurt plane and mandibular plane should meet at back of head

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11
Q

how to view transverse?

A

look at symmetry

check occlusal plane asymmetry

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12
Q

what to examine about lips?

A

relationship with upper incisors

how much tooth in smile

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13
Q

how might the tongue aid in an anterior open bite?

A

achieve seal to allow swallowing

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14
Q

what to examine about labial segment alignment?

A

aligned crowded or spread
angulation relative to jaw
rotations or displacements
inclination of canines

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15
Q

what to examine about labial segment?

A

OJ in mm
OB - complete, incomplete, traumatic
anterior crossbites
centrelines

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16
Q

what to examine about buccal segment alignment?

A

gen alignment - crowding and spacing

ant rotation or displacement

17
Q

what is class 1 incisor relationship?

A

lower incisal edges occlude on or below cingulum of upper

18
Q
what is class II - div 1?
div 2?
A

1- proclined uppers

2- retroclined and minimun OJ

19
Q

what is class III incisor relationship?

A

lower incisors lie anterior to the uppers

20
Q

what is class 1 buccal segment relationship?

A

MB cusp of upper molar occludes with MB groove of lower

21
Q

what is class II buccal segment relationship?

A

MB cusp occludes mesial to the groove

22
Q

what is class III buccal segment relationship?

A

MB cusp occludes distal to the groove

23
Q

what are types of crossbite?

A

unilateral

bilateral

24
Q

what radiographs are used in ortho?

A

DPT - overall assessment
Lateral ceph - skeletal discrepancies
upper occlusal - root resorption/ectopic canines