ICD-11

A congenital or acquired abnormality in which the dental and oral structures deviate from normal form, function, or position.

Malocclusion is the atypical relationship between maxillary and mandibular teeth which may interfere with the efficiency of excursive movements of the mandible that are essential for the effective mastication process.

Malocclusion is the abnormal contact between the teeth of upper and lower jaws. Such malposition and contact of the maxillary and mandibular teeth as to interfere with the highest efficiency during the excursive movements of the jaw that are essential for mastication.

This condition relates to Angle’s classification of occlusion in which the first permanent maxillary molar position is aligned or in an anterior relationship to that of the mandibular first permanent molar, such that the mesiobuccal cusp of the maxillary molar is mesial to the buccal groove of the mandibular molar and the central incisors are in linguoversion.