Exam (elaborations)
Orthodontics 2024
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Exam of 28 pages for the course Orthodontics at Orthodontics (Orthodontics 2024)
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Orthodontics 2024What occurs during first appointment? - correct answers Initial exam and
interview
X-rays
Impressions for study models
Treatment plan
What type of records are used in an orthodontics practice? - correct answers
Clinical photos I/E. E/O
Radiographs: Lateral Ceph, OPG, Cone Beam
Plaster Models
Which reference points are used to assess facial symmetry? - correct answers
Facial midline through glabella & philtrum
Pupillary midline
Where is facial asymmetry commonly found? - correct answers Rarely maxilla:
Chin
Mandibles
angles and
Cheekbones
,What reference points are used for facial convexity? - correct answers Glabella
Subnasal
pogonion (anterior point of chin)
What type of malocclusion is indicated by convex? - correct answers Class II
What type of malocclusion is indicated by concave? - correct answers Class III
(hypoplastic maxilla)
What is Brachyfacial? - correct answers Broad square face
Low mandibular plane angle
Strong chin
Straight profile
Flat lip posture
What is Dolicofacial? - correct answers Long narrow face
High mandibular plane angle
Convex
Poor chin development
anterior, posterior face height imbalance
What is mesofacial? - correct answers Well balanced i.e. equal thirds
, What does a negative discrepancy, in spacing measured with calipers indicate? -
correct answers Crowding
What is molar Class I malocclusion? - correct answers MB cusp of upper 6 should
rest on MB groove on lower 6
What is Class II molar malocclusion? - correct answers MB Cusp of upper 6 is
mesial to MB groove of lower 6
What is Class III molar malocclusion - correct answers MB cusp of upper 6 is
positioned distal to the MB groove of lower 6
What is overbite? - correct answers Vertical overlap of incisors - normal is 1-2mm
What is open bite? - correct answers No vertical overlap of incisors
What is a deep bite? - correct answers Vertical overlap of incisors measured as a
percentage
What is overjet? - correct answers Horizontal overlap of incisors
What is normal overjet? - correct answers 2-3mm
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