双相hap/β-tcp/胶原植入体隆胸的体积稳定性：正颌手术后基于cbct的病例系列。

IF 2.1 2区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Journal of Cranio-Maxillofacial Surgery Pub Date : 2025-07-01 DOI:10.1016/j.jcms.2025.06.003

Martins Lauskis , Oskars Radzins , Sergio E. Uribe , Simonas Grybauskas , Girts Salms

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引用次数: 0

摘要

目的：利用锥形束ct （cone - beam ct， CBCT）评价双相羟基磷灰石(HAp)/β-磷酸三钙(β-TCP)/胶原（bcp -胶原）假体在正颌术后一年多的隆胸手术中的体积稳定性和对称性，并探讨影响因素。方法：回顾性分析45例（女性38例）采用bcp -胶原种植体行双颌正颌隆胸手术的患者。分别于术后1周、4个月和12个月进行CBCT扫描。回归分析探讨了影响体积损失的潜在因素，包括年龄和性别(p)。结果：患者年龄中位数为26岁（IQR: 22-32）。术后1周，中位种植体体积为1356.70 mm3 （SD = 5888.53）。4个月后，减少到985.46 mm3 (SD = 4352.47)， 17.7%的患者减少25.4% （p < 7%）。体积损失在性别（p = 0.6）和年龄组（p = 0.9）之间无显著差异。回归显示，年龄（β = 0.02, 95% CI: -0.48, 0.53, p = 0.9）和性别（β = 11, 95% CI: -30, 52, p = 0.6）无显著相关性。结论：bcp -胶原种植体早期体积损失，但长期稳定。体积变化的高度可变性和不对称性挑战了标准的过度校正策略，强调了早期监测的必要性。CBCT能够精确评估体积，并可能改善手术决策。

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Volumetric stability of biphasic hap/β-tcp/collagen implants in malar augmentation: A CBCT-Based case series after orthognathic surgery

Objective

Evaluate volumetric stability and symmetry of Biphasic Hydroxyapatite (HAp)/β-Tricalcium phosphate (β-TCP)/collagen (BCP-collagen) implants in malar augmentation post-orthognathic surgery over one year using Cone-Beam-CT (CBCT) and explore influencing factors.

Methods

Retrospective case-series analysis of 45 patients (38 females) who underwent bimaxillary orthognathic surgery with malar augmentation using BCP-collagen implants. CBCT scans were taken at 1 week, 4 months, and 12 months post-surgery. Regression analysis explored potential factors influencing volume loss, including age and sex (p < 0.05).

Results

Median patient-age was 26 years (IQR: 22–32). One week postoperatively, median implant-volume was 1356.70 mm³ (SD = 5888.53). By four-months, it decreased to 985.46 mm³ (SD = 4352.47), a 25.4 % reduction (p < 0.001). Afterwards, a 1.3 % volume decrease (p = 0.42). Volume loss varied between 35.1 and 14.7 %. Asymmetry >7 % was observed in 17.7 % of patients. No significant differences in volume loss were found between sexes (p = 0.6) or age groups (p > 0.9). Regression showed no significant associations with age (β = 0.02, 95 %CI: −0.48, 0.53, p > 0.9) or sex (β = 11, 95 %CI: −30, 52, p = 0.6).

Conclusion

BCP-collagen implants exhibit early volume loss but stabilise long-term. High variability and asymmetry in volumetric changes challenge standard overcorrection strategies, emphasising the need for early monitoring. CBCT enables precise volumetric assessment and may improve surgical decision-making.

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来源期刊

Journal of Cranio-Maxillofacial Surgery 医学-外科

CiteScore

5.20

自引率

22.60%

发文量

117

审稿时长

70 days

期刊介绍： The Journal of Cranio-Maxillofacial Surgery publishes articles covering all aspects of surgery of the head, face and jaw. Specific topics covered recently have included: • Distraction osteogenesis • Synthetic bone substitutes • Fibroblast growth factors • Fetal wound healing • Skull base surgery • Computer-assisted surgery • Vascularized bone grafts