BACKGROUND Scissor bite is a rare malocclusion that often leads to minor facial asymmetry. An orthodontic and
orthopaedic correction is advisable in young patients to prevent subsequent temporomandibular diseases requesting
CASE REPORT In this case report a 8-year-old girl in mixed dentition with unilateral left scissor bite was treated with a
modified Rapid Palatal Expander. To modify an overexpanded maxilla (width 39 mm measured between both upper first
molars) the device was used to close rather than to expand, without need of patient compliance. Orthodontic correction was
then completed with traditional bracketing. Results were tangible (width 36 mm) and remained stable even for at least 2 years
after retention. This original device has proved to be useful in this kind of situations and can be easily applied to young
patient to correct such malocclusions.
Vol.14 – n.2/2013
Harvard: V. Favero, L. Sbricoli, L. Favero (2013) "Scissor bite in a young patient treated with an orthodontic-orthopedic device. A case report", European Journal of Paediatric Dentistry, 14(2), pp153-155. doi:
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