Objective : to relieve and even eliminate the pain of pulpitis in opalescent teeth with the sterilized eugenol cottonball after the blockade of the pulp devitalizer 目的：减轻或消除乳牙牙髓炎患者封失活剂后产生的剧痛，使治疗能顺利进行。
2.
Abstract : objective : to relieve and even eliminate the pain of pulpitis in opalescent teeth with the sterilized eugenol cottonball after the blockade of the pulp devitalizer 文摘:目的：减轻或消除乳牙牙髓炎患者封失活剂后产生的剧痛，使治疗能顺利进行。
3.
Result complications included crown mobility , ceramic fracture , chronic gingisitis and food impaction , gingival discoloration , carries and acute pulpitis , masticatory pain , tooth mobility 结果：修复后出现的问题包括冠松动脱落、瓷崩、牙龈炎、食物嵌塞、牙龈变色、基牙继发龋、牙髓炎、咬合痛及基牙松动。
4.
If it does not increase very carefully to protect susceptible to diseases , the most common are stomatitis , oral ulcers , dental caries , gingivitis , pulpitis , periodontal abscess , alveolar abscess , dentin allergies 如若不加仔细保护很容易生病，最常见的有口腔炎、口腔溃疡、龋齿、牙龈炎、牙髓炎、牙周脓肿、牙槽脓肿、牙本质过敏等。
5.
Conclusion : the conclusion is drawn that the anti - inflammatory agent andeugenol , on the basis of the fact that individuals may vary in pain reaction and sensitivity , can prevent inflammation of pulpitis , hence relieve and even eliminate the acute pain after the blockade of the pulp devitalizer 结论：不同个体对疼痛的敏感性耐受性等不同，消炎痛、丁香油酚能阻断牙髓炎症介质，从而减轻或消除乳牙牙髓炎患者封失活剂后产生的剧痛。
