Effect of alveolar fossa preservation with different implant materials on alveolar ridge resorption in patients undergoing posterior tooth extraction

doi:10.19438/j.cjoms.2023.04.014

Abstract

Abstract: PURPOSE: To investigate the effect of alveolar preservation with different implant materials on alveolar ridge absorption in patients with posterior tooth extraction. METHODS: Eighty-six patients with tooth restoration after extraction admitted to Zhejiang Greentown Cardiovascular Hospital from March 2016 to April 2020 were selected. The patients were divided into experimental group and control group according to the random number, 43 cases in each group. After tooth extraction, patients in the experimental group implanted platelet-rich fibrin(PRF) into the alveolar fossa, while patients in the control group implanted collagen plugs into the alveolar fossa after tooth extraction. The time of wound healing, the height of alveolar soft tissue and the width of alveolar ridge were observed immediately and 6 months after surgery. SPSS 23.0 software package was used for data analysis. RESULTS: The postoperative wound healing time was (10.52±3.14) d in the experimental group, which was significantly shorter than (17.68±5.35) d in the control group(P<0.05). The alveolar soft tissue height of the experimental group was significantly lower than that of the control group 6 months after operation(P<0.05), but there was no significant difference between the mesial papilla and distal papilla (P>0.05). The experimental group was significantly higher than the control group in alveolar ridge widths at 20% and 70% of the root length 6 months postoperatively (P<0.05), but there was no significant difference between the two groups at 50% of the root length (P>0.05). CONCLUSIONS: Compared with collagen plug, the application of PRF in the preservation of extraction site can promote wound healing time and reduce absorption of alveolar ridge. It is an ideal filling and covering material for the preservation of extraction site at present.

Key words: Collagen plug, Platelet-rich fibrin, Tooth extraction site preservation, Alveolar ridge

CLC Number:

R782.1

ZHU Min-yan, WANG Hai-yan, YUAN Yin-yin. Effect of alveolar fossa preservation with different implant materials on alveolar ridge resorption in patients undergoing posterior tooth extraction[J]. China Journal of Oral and Maxillofacial Surgery, 2023, 21(4): 403-406.

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