Geneva, Sept. 25 -- International Clinical Trials Registry received information related to the study (ChiCTR2600132777) titled 'Comparison of Collagen Sponge and Bone Graft Materials in Apical Surgery: A Three-Dimensional CBCT Volumetric Index Study of Periapical Defects' on Sept. 18.
Study Type: Observational study
Study Design:
Cross-sectional
Primary Sponsor: Stomatology Hospital,Zhejiang University School Medicine
Condition:
Teeth with periapical periodontitis requiring apical surgery
Intervention:
Bone powder group:None
Recruitment Status: Recruiting
Phase: N/A
Date of First Enrollment: 2026-07-11
Target Sample Size: Bone powder group:30;Collagen group:67;
Countries of Recruitment:
China
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