Clinical outcomes of maxillary sinus augmentation in atrophied posterior maxilla based on residual bone height.

IF 2.8 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Maxillofacial Plastic and Reconstructive Surgery Pub Date : 2025-09-29 DOI:10.1186/s40902-025-00484-7

Donghyun Lee, Jinlee Kim, Hyejin Kim, Seunggon Jung, Min-Suk Kook, Hong-Ju Park, Jaeyoung Ryu

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Abstract

Background: The posterior maxilla is often the site of early tooth loss, frequently requiring sinus augmentation to compensate for vertical bone deficiency. However, the influence of residual bone height (RBH) on clinical outcomes remains unclear.

Materials and methods: This retrospective study evaluated 42 patients who underwent maxillary sinus augmentation using either the lateral or transcrestal approach. Patients were divided into two groups: the severely atrophied group (RBH < 3 mm) and the moderately atrophied group (RBH 3-5 mm). Clinical outcomes assessed included marginal bone loss (MBL), graft resorption, complications, and implant survival.

Results: Clinical outcomes were comparable regardless of RBH. Even in severely atrophied maxillae with RBH < 3 mm, favorable outcomes were achieved using appropriate surgical techniques.

Conclusion: RBH should inform surgical planning but should not be considered a strict prognostic indicator.

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基于残骨高度的后上颌骨萎缩上颌窦增强术的临床效果。

背景：后上颌通常是早期牙齿脱落的部位，经常需要窦性增加来弥补垂直骨缺损。然而，残余骨高度（RBH）对临床结果的影响尚不清楚。材料和方法：本回顾性研究评估了42例采用外侧或经颅入路行上颌窦增强术的患者。患者被分为两组：严重萎缩组（RBH）结果：无论RBH情况如何，临床结果具有可比性。结论：RBH应作为手术计划的参考，但不应被视为严格的预后指标。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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