patient assessment Flashcards

1
Q

parts of ortho pt assessment

A
history
EO assessment
IO assessment
summary
problem list
tx aims
tx plan
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2
Q

C/O

A
RFA - specific thing?
level of concern
is pt concerned?
appearance
dental health
fct
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3
Q

aspects of MH that can affect ortho

A

epilepsy - avoid URAs
RAU - tend to manage
diabetes - diet
bisphosphonates - slow tooth movements and ext risk
latex allergy
Ni allergy - test with one bracket, check severity

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4
Q

DH

A
regular attender?
prev tx - coped?
prev ortho? - avoid retx if possible - RR
caries risk - stabilise
history of trauma - RR
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5
Q

what habits are important to note in the history?

A

digit sucking

lip sucking

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6
Q

features of lip sucking

A

retroclination L incisors

eczematous appearance L lip

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7
Q

SH

A

prior knowledge from friends/siblings?
can they commit to tx - exams, travel, parents/work
wind instruments - can still play but will be more difficult

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8
Q

occlusal features of a digit sucking habit

A

proclination U incisors
retroclination L incisors
localised AOB or incomplete OB
narrow upper arch +/- unilateral posterior CB

but superimposed on existing skeletal pattern and incisor relationship

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9
Q

EO assessment

A

skeletal pattern - AP, V, T
STs
TMJ

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10
Q

ways of assessing AP skeletal pattern

A

visual
palpate skeletal bases
lateral ceph

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11
Q

how should the head be positioned for visually assessing the AP skeletal pattern?

A

Frankfort plane parallel to floor

natural head posture

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12
Q

AP class 1

A

mandible 2-3mm behind maxilla

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13
Q

AP class 2

A

mandible >2-3mm behind maxilla

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14
Q

AP class 3

A

mandible <2-3mm or in front

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15
Q

ways of assessing V skeletal pattern

A

FMPA
vertical facial proportions
lat ceph

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16
Q

how to assess FMPA clinically

A

Frankfort and mandibular planes

meet at occiput ideally

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17
Q

how to assess FMPA radiographically

A

porion to orbitale = Frankfort plane
gonion to menton = mandibular plane
meet at occiput ideally

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18
Q

landmarks for clinical vertical facial proportions

A

glabella
subnasale
menton

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19
Q

clinical vertical facial ideal proportions

A

UAFH 50%

LAFH 50%

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20
Q

landmarks for cephalometric vertical facial proportions

A

nasion
ANS
menton

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21
Q

cephalometric vertical facial ideal proportions

A

UAFH 45%

LAFH 55%

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22
Q

transverse skeletal pattern

A

assess symmetry
view from front and above
occlusal cant?

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23
Q

ST features to assess

A
observe in fct as well as at rest
lips competent?
lip trap?
lip form and tonicity
nasolabial angle
smile line
tongue
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24
Q

competent lips

A

meet together at rest without any muscular activity

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25
Q

lip form

A

full/thin

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26
Q

lip tonicity

A

hyperactive or little tone

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27
Q

what group of patients often have hyperactive lip tonicity?

A

class 2 div 2 - will retrocline L incisors

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28
Q

nasolabial angle

A

angle formed by tangents to the U lip and columella of the nose

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29
Q

what does the nasolabial angle indicate?

A

upper lip position

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30
Q

increased nasolabial angle

A

protrusive - good for ext

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31
Q

average nasolabial angle

A

100

32
Q

decreased nasolabial angle

A

retrusive - avoid ext if possible

33
Q

normal smile line

A

show whole height of U incisors with only the IP gingivae visible
at rest lips apart 3-4mm incisal tooth show

34
Q

what are tongue thrusts usually and why?

A

adaptive (secondary)

to achieve an anterior oral seal when swallowing

35
Q

what is the problem with endogenous (primary) tongue thrusts?

A

harder to treat and more likely to relapse

36
Q

TMJ assessment

A
ask re symptoms
palpate as open/closed and lateral movements
note any clicks/crepitus/locking
note range of movement inc max opening
if symptoms examine MofM
37
Q

can tooth position/appliances cause TMD?

A

no evidence

38
Q

parts of IO examination

A

general overview
arches in isolation
teeth in occlusion

39
Q

features of IO general overview

A
chart erupted teeth
poor prognosis - need stabilisation before tx
OH
tooth quality - note any decal areas
PD condition
toothwear - sort erosion
40
Q

how can PD condition affect ortho tx?

A

can accelerate recession

prev loss of support can give more chance of relapse post-tx

41
Q

features of assessing the arches in isolation

A

crowded/aligned/spaced

incisors - proclaimed/average/retroclined

42
Q

mild degree of crowding

A

<4mm space short in one arch

43
Q

moderate degree of crowding

A

4-8mm space short in one arch

44
Q

severe degree of crowding

A

> 8mm space short in one arch

45
Q

methods to assess the degree of crowding

A

space available/space required
mixed dentition analysis
overlap technique (of contact points)

46
Q

methods to assess the degree of crowding - space available/space required

A

arch length or space available
- M6 to D2, D2 to M1, M1 to D2, D2 to M6
sum of widths of teeth anterior to 6s

47
Q

methods to assess the degree of crowding - overlap technique

A

of contact points

add together

48
Q

methods to assess the degree of crowding - mixed dentition analysis

A
need to use when permanent teeth still to erupt
U arch need 22mm
 - 3 8mm
 - 4 7mm
 - 5 7mm
L arch need 21mm
 - 3 7mm
 - 4 7mm
 - 5 7mm
49
Q

incisor angulation

A

Frankfort plane to long axis of U incisor is about 110 degrees

50
Q

things to assess when teeth in occlusion

A
incisor classification 
OJ
OB
centre lines
molar relationship
canine relationship
crossbite
mandibular displacement?
51
Q

BSI class 1 incisors

A

lower incisor edges occlude with or lie immediately below the cingulum plateau of the U central incisors

52
Q

BSI class 2 div 1 incisors

A

lower incisor edges lie posterior to cingulum plateau of upper central incisors. U centrals proclined or av inclination, increased OJ

53
Q

BSI class 2 div 2 incisors

A

lower incisor edges lie posterior to cingulum plateau of U centrals
U centrals retroclined
OJ usually minimal but may be increased

54
Q

BSI class 3 incisors

A

lower incisor edges lie anterior to cingulum plateau of U centrals
OJ reduced or reversed

55
Q

OJ

A

horizontal distance between the labial surface of the tips of the U incisors and the labial surface of the L incisors

56
Q

measuring the OJ

A

teeth in ICP usually
ruler held parallel to occlusal plane (horizontal)
usually measure the greatest OJ on the most prominent U incisor

57
Q

overbite

A

vertical overlap of the incisor teeth

58
Q

describing OB

A

average, increased or decreased

complete or incomplete

59
Q

average OB

A

where the U incisors overlap the incisal 1/3 of the crowns of the L incisors

60
Q

complete OB

A

to tooth or ST

61
Q

centre lines

A
look at rest and smiling
describe U and L centre lines relative to
 - midline of face (ref point)
 - each other
coincident, to right, to left
look from above, behind and in front
62
Q

class 1 molars

A

MB cusp of U FPM occludes with MB groove of L FPM

63
Q

class 2 molars

A

MB cusp of U FPM occludes anterior to MB groove of L FPM

64
Q

class 3 molars

A

MB cusp of U FPM occludes posterior to the MB groove of L FPM

65
Q

class 1 canines

A

U permanent canine occludes in the embrasure between the L permanent canine and L 4

66
Q

class 2 canines

A

U permanent canine occludes anterior to the embrasure between the L permanent canine and L4

67
Q

class 3 canines

A

U permanent canine occludes posterior to the embrasure between the L permanent canine and L4

68
Q

assessing mandibular displacement

A

check if you see CB or centre line discrepancy
check path of closure
check for displacement - RCP/ICP discrepancy - curl tongue back as gradually close, stop when feel first tooth contact

69
Q

assessing CB

A

describe teeth involved

check for mandibular displacement

70
Q

kesling set ups

A

useful for pt to see

simulate position you think teeth will end up in

71
Q

diagnostic records

A
radiographs
study models
Kesling set ups
photographs
sensibility tests
CBCT
72
Q

indications for CBCT

A

UE teeth
multidisciplinary cases
bone for implants

73
Q

when do you decide if radiographs are needed?

A

after clinical examination

74
Q

what is always first in tx aims?

A

deal with pathology

75
Q

what should be included at the end of the tx plan?

A

retention