在松质骨区，雌激素组和假手术组结合骨板较厚，种植体周围骨小梁及种植体与骨组织的接触均多于卵巢切除组。
In cancellous bone area, the interface bone lamella was thin, the density of trabecular bone and contact of new bone with implants were less in ovariectomized group compared with other two groups.
方法：选取100只健康SD雄性大鼠，分为正常组、假手术组、手术组，对各组脑组织进行大体及镜下观察。
Methods: selected 100 healthy male SD rats, were divided into normal group, control group, operated group, brain tissue in each group were observed both visually and under microscope.
组包括正常对照组、假手术组及DBI组。
Group a included normal control, sham operated control and DBI group.
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