Color Analysis of Graft and Recipient Site After Free Gingival Graft Surgery Using Polarized Digital Photograph
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 50
- 试验地点
- 1
- 主要终点
- Characterization of the color values of the Free Gingival Graft (FGG) according to the CIELab color system
研究概览
简要总结
This study evaluates gingival color following Free Gingival Graft (FGG) surgery using polarized digital photography to objectively analyze grafted and adjacent tissues. Conventional verbal descriptors (e.g., pale pink, salmon pink) lack precision; therefore, digital colorimetry provides objective, non-contact, and reproducible measurements. The protocol utilizes the CIELab system with standardized color disks and polarization to document postoperative color changes accurately.
The study objectives are: (1) to determine CIELab color values of FGG-treated gingiva in patients who underwent conventional surgery at least six months earlier; (2) to assess the influence of age, sex, time since surgery, and gingival thickness on these values; and (3) to compare graft color with adjacent gingiva.
Hypothesis: In FGG-treated patients, graft CIELab color values are unaffected by age, sex, postoperative duration, or gingival thickness.
详细描述
The aim of this cross-sectional study was to evaluate the color characteristics of free gingival graft (FGG) and the adjacent gingiva using polarized filtered digital photographs in cases where more than six months have elapsed since the procedure, and to assess the potential influence of clinical and sociodemographic factors on gingival color.
Fifty cases involving FGG procedures covering one or two lower anterior incisors were included in the study. Clinical parameters including probing pocket depth, bleeding on probing, clinical attachment level, width of keratinized gingiva, and thickness of keratinized gingiva were recorded. Standardized color reference disks were placed on the labial surfaces of the treated teeth, and both filtered and unfiltered photographs were taken. The images were saved in JPEG format and analyzed using the CIELab color system in Adobe Photoshop. A p-value of less than 0.05 was considered statistically significant.
研究设计
- 研究类型
- Observational
- 观察模型
- Case Only
- 时间视角
- Cross Sectional
入排标准
- 年龄范围
- 18 Years 至 65 Years（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Postoperative period of at least 6 months after FGG
- •Age between 18 and 65 years
- •No known systemic diseases
- •No use of medications adversely affecting gingival health (e.g., calcium channel blockers, immunosuppressants, antiepileptics)
- •Full-mouth plaque index (PI)(1) and gingival index (GI)(2) < 1
- •Probing pocket depth (PPD) ≤ 3 mm with no bleeding on probing (BOP)(3) in the mandibular anterior teeth
- •Absence of habitual mouth breathing
排除标准
- •Current smoking
- •Pregnancy or lactation
- •Previous endodontic or restorative treatment in the mandibular anterior teeth
- •Parafunctional habits (e.g., bruxism) or history of orthodontic treatment
- •Conditions impairing salivary flow (e.g., Sjögren's syndrome or similar disorders)
结局指标
主要结局
Characterization of the color values of the Free Gingival Graft (FGG) according to the CIELab color system
时间窗: Through study completion, an average of 6 months
Standardized intraoral photographs were obtained from fifty participants. Digital images were obtained using a camera with standardized settings to ensure reproducibility. All images, taken with and without the filter. Photographs were analyzed in Adobe Photoshop programme using the CIELAB system. The FGG region was divided into three equal zones (coronal, middle, apical). For each region, mean L\*, a\*, and b\* values were calculated.
Characterization of the color values of the adjacent keratinized gingiva according to the CIELab color system
时间窗: Through study completion, an average of 6 months
Standardized intraoral photographs were obtained from fifty participants. Digital images were obtained using a camera with standardized settings to ensure reproducibility. All images, taken with and without the filter. Photographs were analyzed in Adobe Photoshop programme using the CIELAB system. The adjacent keratized gingiva region was divided into two equal zones (coronal and middle) as the apical region corresponded to non-keratinized mucosa. For each region, mean L\*, a\*, and b\* values were calculated.
次要结局
- Keratinized Gingiva Width(Baseline)
- Periodontal pocket depth(Baseline)
- Clinical attachment level(Baseline)
- Measurement of gingival thickness(Baseline)
- Influence of age on color values(Through study completion, an average of 6 months)
- Influence of 'time since surgery' on color values(Through study completion, an average of 6 months)
- Influence of gender on color values(Through study completion, an average of 6 months)
- Influence of gingival thickness on color values(Through study completion, an average of 6 months)