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目的 :研究吐鲁番干热低氟环境氟中毒地区改水后近期效果。方法 :通过流行病学调查方法。结果 :发现改水后 1 6个月两病区儿童氟斑牙患病率分别降低了 1 3 .2 1 %和 1 1 .47% ,氟骨症病人骨关节症状有所减轻。改水前后两病区成人尿氟排泄量和病人 X线征象没有明显变化(P>0 .0 5 )。结论 :改水后该病区氟中毒病人病情得到了一定的控制和减轻 ,但改变不明显。提示改水后较长时间才能观察到该病区明显的防治效果
Objective: To study the short-term effect of water-remediation in fluorosis areas in Turpan-dry and low-fluoride environment. Methods: Through epidemiological investigation method. Results: The prevalence rates of dental fluorosis in children in two wards were reduced by 13.21% and 11.47% respectively in the first six months after water modification. The symptoms of osteoarthritis in fluorosis patients were reduced. Before and after water diversion in both wards of urinary fluoride excretion and patient X-ray signs did not change significantly (P> 0.05). Conclusion: After the water was changed, the patients with fluorosis in the ward got a certain degree of control and relief, but the changes were insignificant. Prompt water after a long time to observe the obvious effect of prevention and treatment of the ward