Clinical Assessment of Dentofacial Deformity Victoria Beale MRCS FDS RCS Specialist Registrar in Oral and Maxillofacial Surgery
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INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com
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Introduction • Identify problems – Functional – Aesthetic
• Highlight variations from ‘normal’ • Clinical diagnosis • Surgical prediction www.indiandentalacademy.com
Positioning • Patient sitting upright • Pupillary plane parallel to the floor • Frankfort plane parallel to the floor • Examiner at same level as patient
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Vertical Analysis
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Vertical analysis
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Lateral View
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Frontal View • Upper – Eyes – Orbits – Ears
• Middle – Nose
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Frontal View • lips – – – – –
length competence muscle activity vermilion teeth rest/smiling
• Chin – asymmetry – mentalis www.indiandentalacademy.com
Smile • Upper lip vermillion at gingival margin • Max 1-2mm gingival show
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Symmetry
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Oral examination • • • • • • • • •
Occlusal relationship AOB Overbite / Overjet Crossbites Incisor inclination Crowding / Spacing Occlusal interferences Tongue size / mobility Dental health www.indiandentalacademy.com
Record keeping • • • •
Notes Photographs Study models Radiographs – – – – –
OPG Lat Ceph Periapical PA Ceph CT www.indiandentalacademy.com
Examination Pitfalls • Incorrect patient positioning • Posturing – Habitual – Occlusal interference
• Over closure – Skeletal class III
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www.indiandentalacademy.com Leader in continuing dental education
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