functional crossbite

func·tion·al cross·bite

(fŭngkshŭn-ăl krawsbīt)
Abnormal displacement when an occlusal interference requires the mandible to shift either anteriorly and/or laterally to achieve maximal occlusion.
References in periodicals archive ?
Functional crossbite due to the premature contact could lead to a possible jaw deviation and temporomandibular pain dysfunction [6, 11].
Functional crossbite occurs because of functional shift in mandible from centric relation to maximum intercuspation due to any premature contact of the malplaced tooth/teeth.
True unilateral posterior crossbite can be distinguished from functional crossbite by observing the mandibular path of closure and by determining a crossbite in both centric relation and centric occlusion without a functional shift [2].
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