Correlation between differences in intraoperative jumping gaps and soft tissue changes around immediate implant placement and provisionalization in the maxillary anterior region.

Sui Zhang, Yi Sun, Changbo Huang, Dongning He
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Abstract

Objectives: This study aims to evaluate the correlation between differences in intraoperative jumping gaps and soft tissue changes around immediate implant placement and provisionalization (IIPP) in the maxillary anterior region. Results will provide a basis for clinical evaluation of the change trend and long-term stability of the labial soft tissue contours of patients with different jumping gaps.

Methods: Thirty-two patients with single tooth loss in the maxillary aesthetic area were enrolled, and they all received immediate implant placement and restoration. All patients were divided into three groups: A, B, and C according to the size of the jumping gap, group A: horizontal defect dimension (HDD) ≤2 mm; group B: 2 mm3 mm. Geomagic studio 2013 was used to quantitatively analyze the contour volume of the soft tissue around the implant and the level of the labial gingival margin. The pink esthetic score (PSE) was used for the final aesthetic evaluation.

Results: All implants had osseointegration within 6 months after the surgery. The average thickness of soft tissue contour volume changed by 0.62 mm±0.15 mm, and the average PES was 11.09±0.99. The changes in the gingival mucosa levels in the three groups at 6 months after operation were 0.45 mm±0.11 mm, 0.40 mm±0.12 mm, and 0.35 mm± 0.11 mm, respectively. The changes in the average thickness of the soft tissue contour volume in the three groups at 6 months after the operation were 0.77 mm±0.16 mm, 0.63 mm±0.17 mm, and 0.54 mm±0.11 mm. A moderate negative correlation was found between the jumping gap size and the gingival mucosa level, and the average thickness changed. No significant correlation was found between size of jumping gap and PES.

Conclusions: Although the contour volume of the labial soft tissue continuously decreased within 6 months after IIPP in the maxillary anterior region, the surgical procedure can achieve a satisfactory aesthetic effect, and the level of soft tissue around the implant can be well maintained.

上颌前牙区即刻种植体植入和临时种植体植入术中跳跃间隙的差异与软组织变化之间的相关性。
研究目的本研究旨在评估术中跳跃间隙的差异与上颌前牙区即刻种植体植入和临时修复(IIPP)周围软组织变化之间的相关性。结果将为临床评估不同跳跃间隙患者唇软组织轮廓的变化趋势和长期稳定性提供依据:32例上颌美学区单牙缺失患者均接受了即刻种植体植入和修复。所有患者被分为三组:A组:水平缺损尺寸(HDD)≤2 mm;B组:2 mm3 mm。Geomagic studio 2013 用于定量分析种植体周围软组织的轮廓体积和唇侧龈缘水平。粉红美学评分(PSE)用于最终的美学评估:结果:所有种植体均在术后 6 个月内实现了骨结合。软组织轮廓体积的平均厚度变化为 0.62 mm±0.15 mm,平均 PES 为 11.09±0.99。三组术后 6 个月的牙龈粘膜水平变化分别为 0.45 mm±0.11 mm、0.40 mm±0.12 mm 和 0.35 mm±0.11 mm。术后 6 个月时,三组软组织轮廓体积平均厚度的变化分别为(0.77 mm±0.16 mm)、(0.63 mm±0.17 mm)和(0.54 mm±0.11 mm)。跳跃间隙大小与牙龈粘膜水平呈中度负相关,平均厚度发生变化。结论:虽然上颌前牙区 IIPP 术后 6 个月内唇部软组织的轮廓体积持续下降,但手术过程可以达到令人满意的美学效果,而且种植体周围的软组织水平可以得到很好的维持。
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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