Anterior mandibular bone grafts by sub-mental approach

Revue de stomatologie, de chirurgie maxillo-faciale et de chirurgie orale
J Guiol, J-F Tulasne

Abstract

Some cases of totally edentulous mandibles are associated with extreme osseous resorption which do not allow the placement of dental implants, even in the symphysis area. We present a bone graft technique performed by mean of a submental approach. The reconstruction is performed under general anesthesia by mean of calvarial bone bone grafts affixed on the superior face and occasionally on the inferior face of the mandibular symphysis, between the mental foramens. The approach is a conventional sub-mental approach that exposes the entire symphysal region. Four patients (aged 61 to 81) have been operated according to this technic. There was no postoperative complication. Mean bone increase was 9.3mm. Nineteen implants were inserted (4.75 implants per patient). No implant have been lost. The scare was inconspicuous. This technique is indicated for cases with extreme bone resorption. It allows the reconstruction of the mandibular symphysis, without an intraoral approach and thus with minimized risk of bone graft exposure. Postoperative courses are uneventful. This technique is therefore indicated for elderly patients who complain about ill-fitting dentures.

References

Mar 9, 2005·The Journal of Oral Implantology·Francesco CarinciAdriano Piattelli
Apr 6, 2006·Clinical Oral Implants Research·Wenko SmolkaTateyuki Iizuka
Oct 9, 2007·International Journal of Oral and Maxillofacial Surgery·F B T PerdijkR Koole

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