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上颌牙齿酸蚀的主要原因之一是胃食管返流症(gastroesophageal reflux,GER)引起的胃液返流。造成GER原因很多,何种食管因素在牙齿酸蚀中起着重要作用仍不清楚,本研究进行了探讨。 材料和方法 选择39位(15～74岁)上颌牙齿有酸蚀症的患者和10位(26～46岁)无GER也无牙齿酸蚀症的健康者,采用静止食管压力测定技术测量了他们的食管下端括约肌长度(LES,包括全长TLS和腹腔内括约肌长度ALS)及压力(LESP)和食管能动性,对测量结果进行比较并进行Mann-whitney
One of the main causes of maxillary tooth erosion is gastric reflux caused by gastroesophageal reflux (GER). GER causes many reasons, what kind of esophageal factors play an important role in tooth etching is still not clear, the study was explored. Materials and Methods 39 patients (aged 15-74 years) with erosion of the maxillary teeth and 10 healthy (26-46 years old) patients without GER and tooth erosion were measured with static esophageal pressure measurement Of the lower esophageal sphincter length (LES, including full-length TLS and intra-abdominal sphincter length ALS) and stress (LESP) and esophageal motility, the measurement results were compared and Mann-whitney