The internal fit and fracture resistance of stainless-steel crowns and porcelain fused to metal crowns in intact and severely damaged permanent molars: an in vitro study.
Moosavi; Khorakian; Sedaghati; Abkar; Baradaran Kashani · 2026 · BMC oral health
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Severe caries in mixed dentition frequently affects mandibular first permanent molars, often necessitating full-coverage restorations. Stainless steel crowns (SSCs) and porcelain-fused-to-metal (PFM) crowns are among the most commonly used…
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Metadata source: PubMed · DOI 10.1186/s12903-026-08831-4