Objective To compare the effect of guiding bone regeneration between Glutaraldehyde(GA)cross-linking bovine pericardium,medical collagen membrane and Bio-Gide membrane.

• 目的 比较戊二醛 (Glutaraldehyde ,GA)处理的牛心包与Bio -Gide膜 ,国产医用胶原膜的引导骨组织再生作用。