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Indian J Dent. 2015 Oct-Dec;6(4):199-202. doi: 10.4103/0975-962X.170392.

Curve of Spee - from orthodontic perspective.

Author information

1
Department of Orthodontics and Dental Anatomy, Aligarh Muslim University, Aligarh, Uttar Pradesh, India.

Abstract

The presence of a curve of Spee (COS) of variable depth is common finding in the occlusal arrangement and is sixth key of occlusion The understanding of COS in the field of orthodontics is very important as orthodontists deal with it in virtually every patient they treat. An excessive COS is a common form of malocclusion that may be addressed in many ways, including posterior extrusion, anterior intrusion, and incisor proclination. The specific approach to leveling of COS should be selected based on each patient's needs. Soft tissue, crown-gingival relations, occlusal plane, and skeletofacial concerns are among the special considerations for treatment planning for leveling of COS.

KEYWORDS:

Curve of Spee; extrusion; intrusion; levelling

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