A Note on Anterior cross bite
Anterior cross bite
Possible causes
Class III skeletal pattern
Crowding
Retained primary teeth and roots
Presence of supernumerary teeth
Clinical features
- Instanding maxillary incisor occluding behind the corresponding lower incisors.
- Over bite which can vary from nothing to excessive depth.
- Gingival recession of the lower incisor involved.
- Forward displacement of the mandible- instanding tooth comes into premature contact along the normal path of closure.
- mobility of the lower incisor involved in the cross bite
Methods available for correction
Spoon handle biting.
Removable appliance with either cantilever spring or screw.
Lower inclined bite plane.
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