歯肉退縮に対するPRF膜と絨毛膜の比較:歯肉退縮に対する臨床研究
Bimmi Tripathi1, R G Shiva Manjunath2, Jaishree Garg3
1Department of Periodontics and Implantology, Peoples College of Dental Sciences and Research Centre, Bhopal, Madhya Pradesh, India.
Odontology
|January 16, 2026
まとめ
血小板リッチフィブリン(PRF)と絨毛膜は、冠状動脈先進弁を用いて歯肉退縮欠損を治療する上で同等の有効性を提供する。どちらの再生材料も、治療後6ヶ月で歯根被覆を含む臨床成績を大幅に改善した。
科学分野:
- 歯周病学
- 再生医療
- 生体材料
背景:
- 血小板リッチフィブリン(PRF)は、組織再生を加速することで知られる第二世代の血小板濃縮物である。
- 胎児組織由来の絨毛膜は、創傷調節能力を有する。
- 歯肉退縮欠損は、歯周組織の健康を回復するために効果的な再生治療を必要とする。
研究 の 目的:
- ミラー分類IまたはIIの歯肉退縮の治療におけるPRFと絨毛膜の臨床成績を比較すること。
- これらの生体材料の歯根被覆達成と歯周パラメータ改善の効果を評価すること。
主な方法:
- 孤立性歯肉退縮欠損を有する50名の患者を対象としたランダム化比較試験。
- 治療は、PRF膜または絨毛膜を用いた冠状動脈先進弁(CAF)を組み合わせた。
- 歯肉退縮の深さ、幅、臨床的付着レベル、歯肉歯肉形質を含む臨床パラメータをベースラインおよび1、3、6ヶ月で評価した。
主要な成果:
- PRF群と絨毛膜群はどちらも、ベースラインと比較して6ヶ月後に歯肉退縮の深さ、幅、臨床的付着レベル、角化歯肉の幅、プラーク指数、歯肉指数において有意な改善を示した。
- 平均歯根被覆率はPRF群で86.76%、絨毛膜群で82.89%であり、両群間に統計学的に有意な差はなかった。
- 両治療群で、薄い歯肉歯肉形質から厚い歯肉歯肉形質への変化が観察された。
結論:
- PRFと絨毛膜はどちらも、孤立性歯肉退縮欠損の管理において効果的かつ予測可能な生体材料である。
- 歯根被覆と歯周組織再生の点で、PRFと絨毛膜の間で同等の結果が得られた。
- これらの所見を確認するために、さらなる縦断的研究が推奨される。
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