Patient Assessment Flashcards
What are some contra-indications for orthodontic treatment?
- Allergy (Ni/ latex)
- Epilepsy (removable appliance)
- Drugs (bisphosphonates)
- Imaging
How may a skeletal assessment be carried out?
- Visual
- Palpate
- Lat cep
What is an AP class I?
Maxilla 2-3mm in front of mandible
What is an AP class II?
Maxilla more than 3mm in front of mandible
What is an AP class III?
Mandible in front of maxilla
i.e. maxilla <2-3mm in front
What is assessed vertically?
FMPA
- Frankfort plane
- Mandibular plane
What are the occlusal features of digit sucking?
- Proclined uppers
- Retroclined lower
- Localised AOB/ incomplete OB
- Narrow upper arch +/- unilateral crossbite
What is mandibular displacement?
Discrepancy in RCP to ICP
What does BSI stand for?
British Standards Institute
What is the BSI definition for incisor Class I?
- Lower incisor edge occludes/ lie below upper central incisor cingulum
- Normal OJ + OB
What is the BSI definition for incisor Class II div. 1?
- Lower incisor edge lie posterior to upper central incisor cingulum
- Upper centrals proclined OR ave
- Increased OJ
What is the BSI definition for incisor Class II div. 2?
- Lower incisor edge lie posterior to upper central incisor cingulum
- Upper centrals retroclined or ave
- OJ minimal/ may be increased
What is the BSI definition for incisor Class III?
- Lower incisor edge lie anterior to upper central incisor cingulum
- OJ reduced/ reversed
Which soft tissues are examined in an ortho assessment?
- Lip (comp/ trap)
- Nasolabial angle
- Smile line
- Tongue (thrust?)
What is classed as MILD crowding?
<4mm
What is classed as MODERATE crowding?
4-8mm
What is classed as SEVERE crowding?
> 8mm
What techniques can be used to assess crowding?
- Space available vs space required
- Overlap technique
- Mixed dentition analysis
What is the definition for a molar class I?
Mesial buccal cusp of upper permanent first molar occludes with the mid-buccal groove of the lower permanent first molar
What is the definition for a canine class I?
Upper canine occludes in the embrasure between lower canine and first premolar
How are sucking habits managed?
- Stop habit
- -> Reinforce
- -> URA habit breaker
- -> Fixed appliance habit breaker
- Allow spontaneous improvement
