Volumetric changes in free gingival graft and gingival unit graft treatments evaluated using an indirect digital method

IF 2 3区 医学 Q2 ANATOMY & MORPHOLOGY Annals of Anatomy-Anatomischer Anzeiger Pub Date : 2024-09-05 DOI:10.1016/j.aanat.2024.152329
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Abstract

Background

The aim of this study was to evaluate clinical one-dimensional changes such as root surface coverage, decrease seen in the amount of gingival recession and keratinised gingival width (KGW) obtained throughout a 6-month follow-up period following the treatment of Cairo class II gingival recession with free gingival graft (FGG) and gingival unit graft (GUG). Three-dimensional changes in gingival volume and thickness were also compared digitally using an indirect method.

Methods

A total of 20 patients with localised Cairo class II gingival recession were randomly separated into two groups; 10 patients were treated with FGG and 10 patients treated with GUG. Preoperatively and at 6 months postoperatively, the initial position of the gingiva and KGW were recorded for all the patients and plaster models were formed from the obtained impressions with the traditional method. The plaster models were transferred to a digital environment by scanning with a model scanner. Using a software program, changes in gingival papillary height and gingival volume and thickness were compared between the groups and according to the baseline values from The Standard Tessellation Language (STL) files obtained.

Results

Compared to the baseline values, a significant increase was determined in the KGW, and a significant decrease in pocket depth, clinical attachment level, and gingiva recession depth in all the groups (p<0.05). No statistically significant difference was determined between the groups in respect of the changes in mean gingiva thickness, gingiva volume, and mean vertical papillary height (p>0.05).

Conclusion

The study results showed that GUG treatment for Cairo class II localised gingival recession is an effective method in respect of increasing gingiva volume and thickness, increasing KGW, coverage of the root surface, and forming tissue contours that allow the patient to easily maintain oral hygiene. However, there was not seen to be any adventage of GUG and FGG over each other.

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使用间接数字方法评估游离龈移植和龈单位移植治疗的体积变化。
背景:本研究旨在评估使用游离龈移植(FGG)和龈单位移植(GUG)治疗开罗II度牙龈退缩后6个月随访期间的临床一维变化,如牙根表面覆盖率、牙龈退缩量减少和角化龈宽度(KGW)。此外,还采用间接方法对牙龈体积和厚度的三维变化进行了数字化比较:将 20 名局部开罗 II 级牙龈退缩患者随机分为两组:10 名患者接受 FGG 治疗,10 名患者接受 GUG 治疗。术前和术后 6 个月,记录所有患者的牙龈和 KGW 的初始位置,并根据获得的印模用传统方法制作石膏模型。石膏模型通过模型扫描仪扫描后转移到数字化环境中。使用软件程序,根据标准网格语言(STL)文件获得的基线值,比较各组间牙龈乳头高度、牙龈体积和厚度的变化:与基线值相比,各组的KGW均显著增加,而袋深度、临床附着水平和牙龈退缩深度均显著减少(P0.05):研究结果表明,GUG 治疗开罗 II 类局部牙龈退缩是一种有效的方法,可以增加牙龈体积和厚度、增加 KGW、覆盖牙根表面并形成组织轮廓,使患者能够轻松保持口腔卫生。然而,GUG 和 FGG 之间并不存在任何优势。
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来源期刊
Annals of Anatomy-Anatomischer Anzeiger
Annals of Anatomy-Anatomischer Anzeiger 医学-解剖学与形态学
CiteScore
4.40
自引率
22.70%
发文量
137
审稿时长
33 days
期刊介绍: Annals of Anatomy publish peer reviewed original articles as well as brief review articles. The journal is open to original papers covering a link between anatomy and areas such as •molecular biology, •cell biology •reproductive biology •immunobiology •developmental biology, neurobiology •embryology as well as •neuroanatomy •neuroimmunology •clinical anatomy •comparative anatomy •modern imaging techniques •evolution, and especially also •aging
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