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The atrophic edentulous alveolus. A preliminary study on a new generation of subperiosteal implants

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The aim of this cohort case series is to present a new subperiosteal implant device that uses CAD-CAM technologies together with 3D metal printing capabilities to produce direct bone-anchored dental prosthetic solutions for the management of atrophic edentulous alveolus and jaws. The clinical experience of 21 subperiosteal devices implanted over a 4-year period is presented. The results of this study showed 14 of the 21 cases were successful (66.7%), while 7 cases had complications including exposure of the metal frame (5 cases), mobility of the device (1 case) and 1 case failed for reasons unrelated to the device. Four of the 7 cases were successfully salvaged resulting in an overall success rate of 85.7% (18 /21 cases). This study supports the use of fully customized subperiosteal jaw implants as a simple and reliable alternative for dental rehabilitation of atrophic edentulous cases which would otherwise require bone grafts for conventional fixed dental implant solutions. With more research, the clinical potential for this device is significant as it not only avoids the need for complex and lengthy reconstructive jaw surgery but also allows for the placement of immediate prosthetic teeth at the time of implantation.

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The contribution of Biomedical engineers at MAXONIQ ( who helped design, develop, and manufacture this device, commercially known as the OsseoframeTM, is gratefully acknowledged.

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Correspondence to George Dimitroulis.

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Ethical approval

The clinical use of the subperiosteal device described in this article, otherwise referred to as the Osseoframe, has been reviewed and approved by the Epworth Hospital Ethics Board on Human research (EH2016/07) and has therefore been performed in accordance with the ethical standards laid down in the Declaration of Helsinki (as revised in Brazil 2013). The Osseoframe has been approved for clinical use by the Australian Therapeutic Goods Administration (TGA) as a Class IIb implantable medical device (ARTG listing 286266).

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All the patients have provided their consent to participate in this study.

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All the authors provide their consent to publish.

Competing interests

Author (GD) holds shares in MAXONIQ, the company that manufactures the medical device described in the article. All other authors declare no competing interests.

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Dimitroulis, G., Gupta, B., Wilson, I. et al. The atrophic edentulous alveolus. A preliminary study on a new generation of subperiosteal implants. Oral Maxillofac Surg 27, 69–78 (2023).

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