Abstract
Objective To study the clinical efficacy of Nd:YAP laser in the treatment of acute localized pericardial periodontitis. Methods A total of 120 patients with acute localized pericardial periodontitis were randomly divided into 3 groups, including Nd:YAP laser group, minocycline group and control group (iodine glycerol group). All patients were underwent pretreatment of intracrevicular washing with 3.0% hydrogen peroxide and normal saline alternately. After the pretreatment, the patients in the Nd:YAP laser group were given 3 min local Nb:YAP laser irradiation (1 time/d for 3 times), in the minocycline group were injected with minocycline hydrochloride ointment (1 time), and in the control group were treated with 2% iodine glycerol (1 time/d for 4 times) in gingival sulcus. One day after the treatment, the gingival index (GI), pain visual score (VAS), and opening degree of all patients were recorded, and the therapeutic effect was observed 5 days after the treatment. Results Compared with the minocycline group and the control group (iodine glycerol group), the GI value and VAS value of the Nd:YAP laser group decreased and the openmouthed size increased (all P 0.05). Conclusions The Nd:YAP laser treatment inacute wisdom tooth pericoronitis can significantly reduce pain and improve openmouthed size, and has a good clinical efficacy. Key words: Nd:YAG laser; Minocycline hydrochloride ointment; Wisdom tooth pericoronitis
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