改良型富血小板纤维蛋白预防下颌阻生智齿拔除术后并发症的效果

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Abstract Objective To study the effect of advanced platelet-rich fibrin (A-PRF) on prevention of postoperative complications after extraction of impacted mandibular wisdom teeth.Methods According to the inclusion criteria, 20 patients with bilateral mandibular wisdom teeth that needed to be removed were selected, and one alveolar fossa was randomly selected from each patient to receive A-PRF filling (experimental group). Conventional suture was performed on the other side (control group). The pain index of on postoperative day 1 and 7 was evaluated by the VAS system and the incidence of pain was also calculated. Meanwhile, the swelling degree, mouth opening degree on postoperative day 1 and 7and the depth of the distal periodontal pocket of the second molar three months after operation were compared to analyze the clinical effect of A-PRF.Results The pain grade of the experimental group was 4.25 on the first day after operation, much lower than that of the control group (P<0.05). The incidence of pain was lower than that of the alveolar fossa on the control side. The pain degree decreased substantially with time. On the first day after tooth extraction, the alveolar swelling degree of the experimental group was 0.59±0.09 cm, and the opening degree was 3.79±1.25 cm, significantly lower than in the control group (P<0.05). Seven days after operation, the swelling degree on both sides was 0.025±0.09 and 0.013±0.07, respectively, so there was no statistically significant difference between the two groups(P>0.05). Three months after operation, the depth of distal periodontal pockets of the second molars on both sides was 4.61±0.27mm and 3.39±0.29mm respectively and there was significant difference between the two groups(P<0.05).Conclusions The application of A-PRF can effectively reduce the occurrence of postoperative complications after tooth extraction of impacted mandibular wisdom teeth.

Key words： advanced platelet-rich fibrin post-operative pain swelling degree mouth opening degree pocket probing depth

Received: 02 November 2020

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	WANG Lijun
	WANG Qing
	HOU Wenhui
	YUAN Xuhong
	LIU Xiaoqun

Cite this article:

WANG Lijun,WANG Qing,HOU Wenhui等. Clinical effect of A-PRF on postsurgical complications of extraction of impacted mandibular teeth[J]. Med. J. Chin. Peop. Armed Poli. Forc., 2021, 32(4): 300-303.

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http://journal08.magtechjournal.com/Jwk_wjyx/EN/ OR http://journal08.magtechjournal.com/Jwk_wjyx/EN/Y2021/V32/I4/300

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