异种骨移植物Bio-oss胶原和Bio-gide膜对牙周骨下袋影响的临床研究
이충골이식물Bio-oss효원화Bio-gide막대아주골하대영향적림상연구
Clinical evaluation of Bio-Oss collagen and Bio-gide bioabsorbable collagen barrier in the treatment of periodontal intrabony defects
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