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J Conserv Dent. 2012 Apr;15(2):191-5. doi: 10.4103/0972-0707.94578.

Forced orthodontic extrusion and use of CAD/CAM for reconstruction of grossly destructed crown: A multidisciplinary approach.

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1
Department of Conservative Dentistry and Endoodontics, Vasantdada Patil Dental College and Hospital, A/P Kavalapur, Tal- Miraj, Dist- Sangli, Maharashtra, India.

Abstract

The aim of this study is to present a report of a case where forced orthodontic extrusion and computer-aided design and computer-aided manufacturing (CAD/CAM) technique was used for reconstruction of right maxillary central incisor with grossly destructed crown. Aesthetic rehabilitation of a fractured maxillary right central incisor was performed employing a multidisciplinary approach i.e. conventional endodontic treatment followed by orthodontic extrusion and final restoration using CAD-CAM and one piece milled zirconia post and core with full coverage zirconia crown. After the procedure being completed, periapical radiographs taken at 3 month follow up period demonstrated that the post and core remained well adapted to post space and there was a complete healing of periapical lesion. This technique can provide a complete aesthetic rehabilitation of a grossly destructed tooth without hampering the biological width and thus has a better prognosis.

KEYWORDS:

Biologic width; computer-aided design/computer-aided manufacturing; orthodontic extrusion; zirconia crown; zirconia post and core

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