Periodontal health of endodontically treated molars restored with composite CAD/CAM endocrowns versus stainless steel crowns in Egyptian children: a randomized controlled trial.
Mabkhot BA; Taha SEE; Kamel MH; Sabry SM · 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)
BACKGROUND: Subgingival crown margins have been linked to chronic gingival inflammation in pediatric patients. This clinical trial evaluated periodontal outcomes in first permanent molars that had undergone root canal therapy and were…
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Metadata source: Europe PMC · DOI 10.1186/s12903-026-08077-0