| TECHNICAL NOTE |
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| Year : 2020 | Volume
: 10
| Issue : 2 | Page : 467-471 |
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Guidelines for the use of resection guides for subperiosteal maxillary implants in cases of terminal dentition - A novel approach
Marco Rinaldi1, Björn De Neef2, Natalie A. J Loomans3, Maurice Y Mommaerts4
1 Department of Odontostomatology, Clinica Privata Villalba, Bologna, Italy
2 Department of Oro-Maxillo-Facial Surgery, General Hospital Oudenaarde, Oudenaarde, Belgium
3 Division of Oro-Maxillo-Facial Surgery, GZA Hospitals, Antwerp, Belgium
4 Cranio-Maxillo-Facial and Facial Plastic Surgeon, European Face Centre, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium
Correspondence Address:
Prof. Maurice Y Mommaerts
European Face Centre, Universitair Ziekenhuis Brussel (VUB), Brussels
Belgium
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DOI: 10.4103/ams.ams_135_20 
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Introduction: We described our rationale and experiences with the use of cutting jigs for vertical ostectomy in cases of terminal maxillary dentition when edentulation and an additively manufactured subperiosteal jaw implant (AMSJI®) are planned. Material and Methods: Our experience covers 15 patients treated by four clinicians. We tabulated our criteria for planning and manufacturing vertical and horizontal ostectomy guides. Results: In order to guarantee accurate osteotomy, titanium guides are preferable to guides made of polymer. The most important consideration is to avoid acute angles in the buccal arms of the AMSJI®. It is up to the surgeon whether to screw-fix the ostectomy guides or to use handles to maintain their position. Discussion: Guided ostectomy has the potential to extend the use of AMSJI® to cases where teeth have yet to be removed or where the contours of the residual bone are not favorable. The use of guided ostectomy in such cases lessens the time between edentulation and implantation and improves the design of the implants.
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