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生物导向制备技术（BOPT）后人类牙周组织的组织学研究。

Histological study of human periodontal tissue following biologically oriented preparation technique (BOPT).

作者信息

Agustín-Panadero Rubén, Martín-de Llano José-Javier, Fons-Font Antonio, Carda Carmen

机构信息

DDS, PhD. Adjunct Professor, Department of Oral Medicine, Faculty of Medicine and Dentistry, University of Valencia, Spain.

BSc, PhD. Professor, Department of Pathology and Health Research Institute of the Hospital Clínico (INCLIVA), Faculty of Medicine and Dentistry, University of Valencia, Spain.

出版信息

J Clin Exp Dent. 2020 Jun 1;12(6):e597-e602. doi: 10.4317/jced.56290. eCollection 2020 Jun.

DOI:10.4317/jced.56290
PMID:32665820
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7335606/
Abstract

BACKGROUND

The aim of this study was to conduct histological analysis of a human tooth resected with the periodontal insertion apparatus intact following treatment using biologically oriented preparation technique (BOPT).

MATERIAL AND METHODS

This descriptive histological dento-periodontal study used an anterior tooth extracted with the surrounding periodontal tissues intact, following prosthetic restoration with BOPT. The sample patient was recruited from among those attending the Department of Dental Medicine at the Faculty of Medicine and Dentistry, University of Valencia (Spain). Eight serial sections of the restored tooth were processed. The relative location and histological characteristics of the cemented prosthetic crown, the dental tissues of the tooth prepared by BOPT technique, and the periodontal tissues were analyzed.

RESULTS

Structural analysis of the neoformed junctional epithelium showed that the number of layers decrease apically until there was a single row of cells perfectly adhered to the acellular cementum, and beneath the epithelium a connective tissue evidently free from inflammation. The tissues of the neoformed periodontium (gingival ligament, sulcular epithelium, junctional epithelium) presented histologic normality.

CONCLUSIONS

Biologically oriented preparation technique is a reliable alternative to conventional horizontal finish lines. Vertical preparation, prosthetic cementoenamel junction (PCEJ), finish line, BOPT, crown.

摘要

背景

本研究旨在对采用生物导向性预备技术（BOPT）治疗后牙周附着装置完整切除的人牙进行组织学分析。

材料与方法

本描述性牙-牙周组织学研究使用一颗拔除时周围牙周组织完整的前牙，在采用BOPT进行修复后。样本患者从西班牙巴伦西亚大学医学与牙科学院牙科系就诊患者中招募。对修复后的牙齿进行了8个连续切片处理。分析了粘结修复冠的相对位置和组织学特征、采用BOPT技术预备的牙齿的牙体组织以及牙周组织。

结果

对新形成的结合上皮的结构分析表明，细胞层数向根尖方向减少，直至有一排细胞完美地附着于无细胞牙骨质，且上皮下方的结缔组织明显无炎症。新形成的牙周组织（牙龈韧带、龈沟上皮、结合上皮）的组织学表现正常。

结论

生物导向性预备技术是传统水平边缘线的可靠替代方法。垂直预备、修复体牙骨质-釉质界（PCEJ）、边缘线、BOPT、冠。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/f0cfa4e4e7c0/jced-12-e597-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/fe56197b0037/jced-12-e597-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/e0d39914c9e1/jced-12-e597-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/4e62fc0b1cd2/jced-12-e597-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/766f80a13661/jced-12-e597-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/a3ef08535c2e/jced-12-e597-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/f0cfa4e4e7c0/jced-12-e597-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/fe56197b0037/jced-12-e597-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/e0d39914c9e1/jced-12-e597-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/4e62fc0b1cd2/jced-12-e597-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/766f80a13661/jced-12-e597-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/a3ef08535c2e/jced-12-e597-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d53f/7335606/f0cfa4e4e7c0/jced-12-e597-g006.jpg

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