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J Adv Prosthodont. 2015 Jun;7(3):264-70. doi: 10.4047/jap.2015.7.3.264. Epub 2015 Jun 23.

Implant-supported overdenture manufactured using CAD/CAM techniques to achieve horizontal path insertion between the primary and secondary structure: A clinical case report.

Author information

1
Department of Stomatology, Faculty of Medicine and Dentistry, Valencia University, Spain.
2
Department of Buccofacial Prostheses, Faculty of Dentistry, Madrid Complutense University, Spain.
3
Oral Surgery, Faculty of Medicine and Dentistry, Valencia University, Spain.

Abstract

This report describes the case of an edentulous patient with an atrophic maxilla and severe class III malocclusion. Prosthetic rehabilitation was performed using CAD/CAM techniques for manufacturing an implant-supported overdenture with horizontal insertion. A vestibulo-lingual insertion overdenture is a precision prosthesis with a fixation system affording a good fit between the primary and secondary structure. Both structures exhibit passive horizontal adjustment. This treatment option requires the same number of implants as implant-supported fixed dentures. The horizontal assembly system prevents the prosthesis from loosening or moving in response to axial and non-axial forces. The technique was used to rehabilitate a patient presenting an atrophic upper maxilla, with the insertion of 8 implants. No complications were reported at follow-up 3, 6 and 12 months after fitting of the prosthesis. This system offers solutions to the clinical and laboratory complications associated with hybrid prostheses, concealing emergence of the chimneys and improving implant-prosthesis hygiene.

KEYWORDS:

Alveolar bone atrophy; Dental implants; Dental prosthesis design; Edentulous jaw; Horizontal Denture®; Horizontal insertion prosthesis

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