malocclusion

A malocclusion is a misalignment or incorrect relation between the teeth of the two dental arches when they approach each other as the jaws close. The term was coined by Edward Angle, the 'father of modern orthodontics', as a derivative of occlusion. This refers to the manner in which opposing teeth meet (mal- + occlusion = 'incorrect occlusion').

The malocclusion classification is based on the relationship of the Mesiobuccal cusp of the maxillary first molar and the buccal groove of the mandibular ...