Evaluation of long-term changes in bone graft height after maxillary sinus floor augmentation: a comparison between xenografts and synthetic material for bone grafts
이승우, 장태석, 심규조, 오주영,
소속 상세정보
이승우 ( Lee Seung-Woo ) - Kyung Hee University School of Dentistry Department of Oral and Maxillofacial Surgery
장태석 ( Jang Tae-Seok ) - Kyung Hee University School of Dentistry Department of Oral and Maxillofacial Surgery
심규조 ( Shim Gyu-Jo ) - Kyung Hee University School of Dentistry Department of Oral and Maxillofacial Surgery
오주영 ( Ohe Joo-Young ) - Kyung Hee University School of Dentistry Department of Oral and Maxillofacial Surgery
Abstract
Purpose: The purpose of this study was to assess the height change of graft bones in a long-term follow-up after maxillary sinus floor augmentation procedures and compare the difference between xenografts and synthetic material.
Materials and Methods: The subjects comprised 28 patients (62 implants) who underwent sinus floor augmentation using the lateral window technique and staged implantation. Panoramic radiographs of the 28 patients were collected immediately after implantation and at follow-up.
Results: Changes in the grafted bone height showed a statistically significant decreasing tendency with time in both groups. However, there was no significant difference between the groups.
Conclusions: Both xenogeneic bones and synthetic bone substitute materials were resorbed with time but maintained their shape and properties after 10 years. Therefore, both materials are suitable for sinus augmentation and biphasic calcium phosphate, a synthetic bone substitute, has shown predictable stability in sinus augmentation during long-term follow-ups.
키워드
Maxillary sinus floor augmentation; Bone substitutes; Dental implants
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