Canadian Medical Guide > Diseases > Stomatognathic Diseases > Tooth Diseases > Malocclusion Terms and Definitions

Malocclusion

Medical Definition:	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. (Jablonski, Illustrated Dictionary of Dentistry, 1982)
Guide Notes:	X ref ANGLE'S CLASSIFICATION: Angle's classes MALOCCLUSION, ANGLE CLASS I & MALOCCLUSION, ANGLE CLASS II & MALOCCLUSION, ANGLE CLASS III are also available but index Angle's classification in general or unspecified as MALOCCLUSION /class
Also Called:	Crossbite,Angle's Classification,Tooth Crowding

Malocclusion Categories.

	Dental Occlusion, Traumatic - An occlusion resulting in overstrain and injury to teeth, periodontal tissue, or other oral structures.
	Malocclusion, Angle Class I - Malocclusion in which the mandible and maxilla are anteroposteriorly normal as reflected by the relationship of the first permanent molar (i.e., in neutroclusion), but in which individual teeth are abnormally related to each other.
	Malocclusion, Angle Class II - Malocclusion in which the mandible is posterior to the maxilla as reflected by the relationship of the first permanent molar (distoclusion).
	Malocclusion, Angle Class III - Malocclusion in which the mandible is anterior to the maxilla as reflected by the first relationship of the first permanent molar (mesioclusion).
	Open Bite - A condition in which certain opposing teeth fail to establish occlusal contact when the jaws are closed.

Malocclusion Medical Definitions and Terms

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