EFFECT OF IMPLANT LENGTH ON OSSEOINTEGRATION IN MAXILLARY SINUS AUGMENTATION (CLINICAL AND RADIOGRAPHIC STUDY)

Document Type : Original Article

Authors

1 Lecturer of Oral and Maxillofacial Surgery, Faculty of Dentistry, Suez Canal University

2 Associate Professor of Oral and Maxillofacial Surgery, Faculty of Dentistry, Suez Canal University

3 Professor of Oral Radiology, Faculty of Dentistry, Suez Canal University

Abstract

Purpose: The aim of the present study is to maximally increase the amount of bone graft and to correlate between the subantral implant length and the implant success rate, both clinically and radiographically.
Patients and Methods: The study was performed on twenty patients with mean age of 40 years who required implant therapy but suffered from decreased vertical bone height in the posterior maxilla. Each patient received one implant after a Caldwell Luc osteotomy. The patients were divided into two groups according to the length of the implant used. Panoramic and cone beam CT were used to evaluate the radiographic bone density while clinical assessment was used to evaluate implant stability at the successive follow ups.
Results: Results of the present study revealed that the success rate of implant osseointegration in maxillary sinus augmentation cases depends mainly on increasing graft dimensions and primary stability of implants.
Conclusion: The main parameters in sinus augmentation procedures ware to increase the augmented implant length under the sinus membrane and above the maxillary sinus floor. Both bone quality with implant stability are the two dependent factor correlate positively with the implant length.

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