CONCLUSION: MTA may be an ideal material for perforation repair and achieving apical seal in tooth with immature apex.
结论：本研究结果提示，MTA对穿孔修补和根尖屏障术方面是一种满意的材料。
CONCLUSION: MTA may be an ideal material for perforation repair and achieving apical seal in tooth with immature apex.
结论：本研究结果提示，MTA对穿孔修补和根尖屏障术方面是一种满意的材料。
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