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Updated: Feb 14, 2026

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3つのエクストラオラルフォトグラムメトリ,1つのイントラオラルフォトグラムメトリ,および非校正インプラントスキャンボディテクニックの比較精度研究

Marta Revilla-León¹, Clara Guinot-Barona², Abdul B Barmak³

¹Affiliate Assistant Professor, Graduate Prosthodontics, Department of Restorative Dentistry, School of Dentistry, University of Washington, Seattle, Wash.; Faculty and Director of Research and Digital Dentistry, Kois Center, Seattle, Wash.; and Adjunct Professor, Department of Prosthodontics, School of Dental Medicine, Tufts University, Boston, Mass.

The Journal of prosthetic dentistry

|February 12, 2026

まとめ

インプラントスキャン技術の選択は,完全なアーチスキャンの精度に大きな影響を与えます. 矛盾があるものの,試験されたすべての方法は,歯の修復のために臨床的に許容されるインプラント位置のキャプチャを提供します.

科学分野:

歯科技術とは,歯科技術のことです.
デジタル歯科医院デジタル歯科医院
義肢矯正歯科義肢矯正歯科とは

背景:

スキャニングテクニックの選択は,インプラントスキャンの精度にとって非常に重要です.
フォトグラメトリー (PGs) と非校正インプラントスキャンボディ (ISBs) の完全なアーチインプラントスキャンを評価するには,さらなる調査が必要です.

研究の目的:

3つの口外PG,1つの口内PG,および1つの非校正ISBシステムを使用して,完全なアーチインプラントスキャンの精度を評価します.
このin vitro研究では,完全なアーチインプラントの修復のための異なるスキャン方法を比較しました.

主な方法:

3つの口外PGシステム (Grammee,MM-Screw,MM-Snap),1つの口内PG (Elite),1つの非校正ISBシステム (IOConnect) となる5つのグループが設立されました.
スキャンは6つのインプラントアビュメントアナログを持つ石の鋳型からキャプチャされ,ユークリッドの測定は不一致を計算するために使用されました.
片道ANOVAとTukeyのポストホックテストは真度を分析し,Leveneのテストは精度を評価した.

主要な成果:

テストされたグループ全体で,線形および角形真相の有意な不一致が観察されました (P<.001およびP=.012).
グラミーとエリートグループは,最強の線形と角形の真度を示したが,IOConnectとMM-Snapグループは最悪だった.
角精度は著しく変化した (P=.012),エリートグループは精度が最も高く,MM-Screwグループは精度が最も低かった.

結論:

インプラントスキャニング技術は,完全なアーチスキャンの精度に影響を及ぼすことが実証されています.
測定精度の違いにもかかわらず,評価されたすべての技術は,デジタル歯科ワークフローでインプラントの位置を把握するための臨床的に許容可能な方法を提供します.

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