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1 .实验目的 :①观察放疗对狗下颌种植体周围骨形成蛋白 (ｂｏｎｅｍｏｒｐｈｏｇｅｎｉｃｐｒｏｔｅｉｎ ,ＢＭＰ)分布与活性的影响 ;②观察局部应用ＢＭＰ与透明质酸钠复合物对放疗后纯钛种植体骨整合作用的影响。2 .实验方法 :成年雄性杂种狗 4只 ,体重 2 0～ 2 2ｋｇ,拔除
1.Objectives: ① To observe the effect of radiotherapy on the distribution and activity of bone morphogenic protein (BMP) around the mandibular implants; ② To observe the effect of local application of BMP and sodium hyaluronate complex on the osseointegration of pure titanium implant after radiotherapy Impact. Experimental methods: 4 adult male hybrid dogs, weighing 20 ~ 22kg, were removed