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Ann Maxillofac Surg. 2011 Jan;1(1):58-65. doi: 10.4103/2231-0746.83159.

Development and evolution of distraction devices: Use of indigenous appliances for Distraction Osteogenesis-An overview.

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1
Department of Oral and Maxillofacial Surgery, Nair Hospital Dental College, Mumbai, Maharashtra, India.

Abstract

An attempt has been made to review various devices as well as the outstanding studies done in the past for understanding the methodology of distraction for regeneration of bone. Lengthening of underdeveloped bones inclusive of the maxillofacial complex has been obtained by distraction osteogenesis by many authors. This could be achieved by the use of various extraoral or intraoral devices. Devices used for distraction osteogenesis must have a minimum of 2 important characteristics - they should be able to transfer distraction forces directly to the bone and secondly, should offer adequate rigidity for osseous consolidation to occur. With advanced technology and biomechanical engineering, preformed intraoral distraction devices are now available worldwide. The introduction of these intraoral bone-bourne devices have eliminated the need for bulky, cumbersome extraoral distraction devices which had problems such as external scars, pin tract infections, nerve or tooth bud injuries and poor patient compliance. The design of completely internalized custom made appliance has opened new vistas in the field of Oral and Maxillofacial Surgery. Indigenous internal devices are also economical and locally available.

KEYWORDS:

Distraction devices; alveolar distraction; bone transport; distraction osteogenesis; mandibular distraction; maxillary and midface distraction

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