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由亚砷酸牙髓失活剂引起口腔局部发生过敏反应者较少见,现报告二例如后。病例一:女,40岁。因右后牙剧痛二天就诊,查:(?)近中邻(牙合)面深龋,明显探痛伴叩痛;诊断:(?)急性牙髓炎。处理:局麻下开髓引流。次日痛缓复诊,查除髓腔内探痛外余无异常,遂用一芝麻粒大小亚砷酸失活剂密封于穿髓孔处,约六小时后患者因局部疼痛加重伴进食困难而复诊,查:(?)封药全整无溢漏,见颊腭侧粘膜广泛充血水肿,颊侧累及膜龈联合,腭侧超过腭中缝,前达腭皱襞,后及软腭、悬雍垂,(?)叩痛明显,松动Ⅱ°,
Arsenic trioxide dental pulp caused by inactivation of oral local allergic reactions are rare, it is reported two cases later. Case one: female, 40 years old. Due to pain in the right posterior tooth two days of treatment, check: (?) Near the adjacent (occlusal) face deep caries, obvious pain and pain associated with percussion; diagnosis: (?) Acute pulpitis. Treatment: under local anesthesia open drainage. The next day pain relief referral, check the extraoral cavity no abnormal pain, and then use a sesame seed size arsenic trioxide inactivation agent sealed in the hole at the puncture, about six hours after the patients with local pain due to eating difficulties Referral, check: (?) Sealing drug whole without spill, see extensive chemo palatal mucosa congestion and edema, buccal and membranous gingiva involvement, the palatal palate over the midpoint, before reaching the palate folds, and the soft palate, uvula, (?) Percussion pain was obvious, loose Ⅱ °,