インプラント安定性と術後不安に対する5つの骨切り術プロトコルの比較:ランダム化比較試験
Rozerin Konuklu1, Sercan Küçükkurt1
1Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Istanbul Aydın University, Istanbul, Türkiye.
Clinical implant dentistry and related research
|February 10, 2026
まとめ
中速ドリル(300 rpm)は、初期の骨統合において最高のインプラント安定性と患者の快適性を提供する。本研究では5つの骨切り術技術を比較し、中速ドリルが初期のインプラント安定性指数(ISQ)の進行と不安の軽減に最適であることを見出した。
科学分野:
- 歯科インプラント学; 生体材料科学; 外科手技
背景:
- ClinicalTrials.gov識別子:NCT07234214。; 歯科インプラント骨切り術の技術は、初期の骨結合と患者の経験に大きく影響する。
研究 の 目的:
- 5つの歯科インプラント骨切り術技術(高速ドリル(800 rpm)、中速ドリル(300 rpm)、超低速ドリル(50 rpm)、オッセオデンシフィケーション、骨凝縮)を比較する。; 初期骨結合における挿入トルク(IT)、初期インプラント安定性指数(ISQ)の進行、および術直後の視覚アナログスケール(VAS)による不安を評価する。
主な方法:
- 100人の健康な成人を対象としたランダム化比較臨床試験。各参加者は単一のインプラントを受け、5つの骨切り術プロトコルのいずれかにランダムに割り当てられた(n=20/群)。; 挿入トルク(IT)とインプラント安定性指数(ISQ)は、術後3ヶ月までの複数の時点で測定された。; 患者が報告した不安は、視覚アナログスケール(VAS)を使用して評価された。
主要な成果:
- 中速ドリル(300 rpm)は、最も一貫したISQの増加と最も高い最終安定性を示した(p < 0.05)。; 高速ドリル(800 rpm)は、特に硬骨において最も高い初期ITを示した。; 全ての技術で有意なVAS不安の軽減が見られた(p < 0.001)。骨凝縮が最も大きな減少を示し、オッセオデンシフィケーションはより高い残存不安と関連していた。
結論:
- 骨切り術の技術は、機械的安定性と患者が報告した不安を決定的に左右する。; 中速ドリル(300 rpm)は、最初の3ヶ月間でバランスの取れた安定性プロファイルを提供する。; 骨密度、機械的ニーズ、および患者の要因に基づいた個別化された骨切り術の選択が推奨される。
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