青壮年智齿冠周炎临床多见,一般均能早期诊断,及时治疗。笔者近遇老年人因(?)埋伏牙引起慢性反复感染5例,现报告如下。 一、临床资料 5例中男性2例,女性3例;年龄最小57岁,最大65岁,平均63岁;病程最短3个月,最长1.5年;感染次数最少4次,最多十余次。其中3例局部肉芽增生被误诊为肿瘤,1例曾经手术切除增生物又复发。X Young wisdom teeth pericoronitis clinical more common, generally can be early diagnosis and timely treatment. I met the elderly due to (?) Impacted teeth caused by chronic recurrent infections in 5 cases, are as follows. First, the clinical data of 5 cases, 2 males and 3 females; the youngest 57 years old, maximum 65 years old, average 63 years; duration of the shortest 3 months, the longest 1.5 years; infection at least 4 times, up to ten times. Three cases of local granulation hyperplasia were misdiagnosed as tumor, one case had surgical removal of proliferative and recurrent. X.