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Forty-five Cases of Osteotome Sinus Floor Elevation in Atrophic Maxilla Using HA-coated Implants without Bone Graft
by Y. Kishimoto 1*, Y. Matsumoto 2* and H. Aoki 3
1) Kishimoto Dental Clinic, Tokyo, Japan
2) Matsumoto Dental Clinic, Oita, Japan
3) International Apatite Institute Co., Japan
Abstract
A sinus floor elevation has been used as a common technique using a bone graft in the atrophic posterior maxilla. However, an autograft is occasionally restricted quantitatively for donor condition. The aim of this study was to evaluate clinical cases of Hydroxyapatite(HA)-coated implants in the posterior maxilla using the osteotome sinus floor elevation technique (OSFE) without bone graft. Sixty-eight HA-coated implants were inserted into 45 patients using the OSFE technique. One implant was removed before functioning. All of the other implants were functioning under occlusal force without mobility and peri-implantitis for 3 months to 6 years. The HA-coated implants promoted bone formation and the sinus cavity was filled by the new bone. The OSFE technique using HA-coated implants was effective for filling the sinus cavity without bone graft and successful in treatment of patients with atrophic alveolar ridge of the maxilla.
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