一种新的翼上颌种植体分类及其相关手术意义：回顾性队列研究。

A new classification for pterygomaxillary implants and its related surgical implications: a retrospective cohort study.

机构信息

Department of Stomatology, The First Affiliated Hospital of Chongqing Medical University, No. 1, Youyi Road, Yuzhong District, Chongqing, 400016, China.

Taikang Bybo Dental Hospital, The 5th Floor of Lugang Square, Xizang Middle Road No. 18, Shanghai, Huangpu District, People's Republic of China.

出版信息

BMC Oral Health. 2024 Aug 22;24(1):972. doi: 10.1186/s12903-024-04761-1.

DOI:10.1186/s12903-024-04761-1

PMID:39169351

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11340062/

Abstract

BACKGROUND

To provide a novel classification for all implants in the maxillary retromolar region to simplify surgical design, reduce surgical risks, and guide clinicians in clinical decision-making.

METHODS

A total of 180 patients with bilateral partial or completely edentulous atrophic posterior maxillae who had received or were scheduled to receive pterygomaxillary implants were included in this study. Cone-beam computed tomography was performed, and the sagittal and coronal images were acquired at 110 kV and 10 mA. The exposure volume was 120 mm in diameter and 80 mm in height. The pterygomaxillary implants were divided into three different types based on the anatomical structures the implants passed through.

RESULTS

The average age of the 180 patients was 69 (range: 39-89) years; 99 were men and 81 were women. All the patients exhibited 360 pterygomaxillary implant sites. However, during mimic implantation, 14 implant sites were excluded due to severe resorption of the tuberosity, very small pterygoid plates, or variations in the descending palatal artery configuration. Of the 346 pterygomaxillary implant sites, 24.0% (83/346), 40.7% (141/346), 22.0% (76/346), and 13.3% (46/346) were classified as Types I, IIa, IIb, and III, respectively.

CONCLUSIONS

Type II pterygomaxillary implants were the most commonly used in the novel classification. Different types of pterygomaxillary implants should follow specific designs and surgical strategies to achieve optimal outcomes.

摘要

背景

为简化手术设计、降低手术风险并指导临床医生做出临床决策，提出一种上颌磨牙后区所有植入物的新分类方法。

方法

本研究纳入 180 例双侧部分或完全无牙后牙萎缩的上颌后牙区患者，这些患者接受或计划接受翼钩种植体。采用锥形束 CT 扫描，在 110 kV 和 10 mA 下获取矢状位和冠状位图像。曝光体积为 120 mm 直径和 80 mm 高。根据植入物穿过的解剖结构，将翼钩植入物分为三种不同类型。

结果

180 例患者的平均年龄为 69 岁（范围：39-89 岁）；男性 99 例，女性 81 例。所有患者均有 360 个翼钩种植体部位。然而，在模拟植入过程中，由于结节严重吸收、翼板非常小或下降腭动脉形态变异，有 14 个种植体部位被排除。在 346 个翼钩种植体部位中，24.0%（83/346）、40.7%（141/346）、22.0%（76/346）和 13.3%（46/346）分别归类为 I 型、IIa 型、IIb 型和 III 型。