Hydrolytic stability and surface roughness of additively and subtractively manufactured CAD/CAM and indirect restorative resin materials.

BMC Oral Health · 2026 · PMC13101105 · PMID 41832503

Europe PMC DOI

hedged sentence

0.0560

closest p · 1.1× alpha

0.0560

boldest claim

The sentences

did not reach statistical significancep = 0.056so close (0.05 < p ≤ 0.1)

Although the difference in surface roughness change (ΔRa) among materials did not reach statistical significance ( p = 0.056), a moderate effect size was observed (partial η2 = 0.127), suggesting a material-related influence on Ra variation (Table 7 ).

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