インプラント治療のための後部下顎形態を決定する新しい分類システムの開発
Faisal Alqaood1, Jahanzeb Chaudhry2, Amar Hassan Khamis3
1Al Jahra Specialty Dental Center, Al Jahra, Kuwait.
International journal of dentistry
|February 4, 2026
まとめ
後部下顎形態のための新しい分類システムであるCPDUシステムは、インプラント治療計画を改善するために開発されました。これは、舌側陥凹と下顎管(IAC)を考慮して、歯槽頂の形状を分類し、術前の評価を強化します。
科学分野:
- 歯科解剖学および形態学; インプラント歯科; 放射線分析
背景:
- 既存の分類システムでは、インプラント治療のための後部下顎形態を適切に扱えていませんでした。; 舌側アンダーカット、隆起の形状、陥凹の深さ/角度、およびIACの位置などの重要なパラメータが見過ごされることがよくありました。; 正確なインプラント配置には、改良された分類が必要です。
研究 の 目的:
- 後部下顎歯槽頂形態の新しい分類システムの開発。; 歯科インプラント治療のための術前評価の強化。; インプラント配置に影響を与える重要な解剖学的特徴の組み込み。
主な方法:
- 195人の患者(19〜70歳)の横断研究。; 歯槽骨の寸法と舌側陥凹を測定するためのコーンビームCT(CBCT)ボリュームの分析。; 年齢、性別、大臼歯の有無、およびアンダーカットの有無に関連するパラメータの評価。
主要な成果:
- U型(アンダーカット)の隆起が最も一般的でした(52.1-54.4%)。; 歯槽頂の高さは、年齢、性別、隆起のタイプ、第一大臼歯の有無、およびアンダーカットと相関していました。; 骨幅と舌側陥凹の深さは、大臼歯の有無および隆起のタイプと相関していました。
結論:
- 後部下顎形態のための新しい包括的なCPDU分類システムが開発され、検証されました。; このシステムは、アンダーカット(U)の有無にかかわらず、隆起をC、P、およびDタイプに分類します。; CPDU分類は、隆起の形状、舌側陥凹、およびIACの位置を考慮することにより、インプラント治療のための術前評価を改善します。
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