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The Effect of 5% Sodium Morrhuate and Pingyangmycin on Normal Tissue of Pig's lip.

Li Yong Sheng et al. Department of Oral and Maxillofacial Surgery of First Hospital of Yunnan Province, Kunming, 650032.  
bjective To investigate the effect of 5% Sodium morrhuate and Pingyangmycin on normal tissue. Methods 4 Minipigs had been used in our study, 5% Sodium morrhuate was injected in pig's upper and lower lips of one side, and Pingyangmycin was injected in the other side. Every two animals were killed after 7 days and 14 days, and routinely historical observation had been made. Results The muscle fiber's wither and disappearance can be seen in all samples in the group of 5% Sodium morrhuate, no tissue necrosis was found; But in Pingyangmycin's group, only the wall of vascular became thickening and the tissues outside vascular are normal. Conclusion 5% Sodium morrhuate must be avoided injecting into normal tissue, it can cause normal tissue damaged; Pingyangmycin is safety to the tissues outside vascular.
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