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牙齿阻生通常累及恒牙列,乳牙列很少受累。我们收治1例乳牙阻生并发急性根尖周炎病例,报告如下。临床资料患者,男,7岁2个月。近1个月,右上后牙反复自发疼痛数次,未经治疗,疼痛自行好转。2天前右上后牙疼痛加重并伴右侧面部肿胀,发热38.6℃就诊。检查见:混合牙列,右上第二乳磨牙未完全萌出,仅见远中面,表面牙龈覆盖,形成盲袋,内有食物残渣。去除食物残渣可探及牙冠部深龋达牙本质深层,探诊不敏感。牙冠周围牙龈未见明显红肿及溢脓。龈颊移行部变浅,未扪及明显波动感,右面部
Tooth impaction usually affects the permanent dentition, with little involvement of the deciduous dentition. We admitted 1 case of deciduous teeth complicated with acute apical periodontitis cases, the report is as follows. Clinical data Patient, male, 7 years and 2 months. Nearly a month, the right upper back teeth repeatedly spontaneous pain several times, without treatment, pain self-improvement. 2 days ago, right upper back pain aggravated with the right facial swelling, fever 38.6 ℃ treatment. Check see: mixed dentition, right upper second molars not fully erupted, only seen in the far side of the surface of the gums covering the formation of blind bags, there are food debris. Removal of food debris can be explored and dental deep caries deep dentin exploration is not sensitive. There was no visible swelling and pus in the gingiva around the crown. Gingival cheek migration department shallow, no palpable significant fluctuations, right facial