Gap Formation at Luting Interfaces of CAD/CAM Ceramic and Composite Partial Crowns Assessed by OCT.

Dent J (Basel) · 2026 · PMC12939042 · PMID 41744955

Europe PMC DOI

hedged sentences

0.0010

closest p · 0.0× alpha

0.0010

boldest claim

The sentences

highly significantp < 0.001actually significant

At interface 1 (LCI; restoration to luting composite), LS2 showed a highly significant continuous increase in gap formation (LGVC) from t0 to t2/t3 ( p < 0.001, effect size = 0.9, Figure 2 e, Supplement file S1 Tab.9 ).

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showed a trendno p-value reported

Regarding the different indirect materials, RBC showed a trend towards larger gap values at the enamel (LGVE) compared to LS2.

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a clear trendno p-value reported

The few long-term clinical studies are probably too heterogeneous in their study design and do not indicate a clear trend, yet they reveal initial causes of failure.

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