Clinical observation of minimally invasive extraction of lower third molar by retaining the buccal bone plate

doi:10.19439/j.sjos.2024.01.017

Abstract

Abstract: PURPOSE: To explore the effect of extracting the completely impacted teeth by minimally invasive surgery with preserving the buccal bone plate. METHODS: Eighty-six cases were selected and randomly divided into 2 groups. In the experimental group, a fenestration was made with a ball drill to expose the buccal and lingual margin of crown, and the buccal bone plate was preserved. T-shaped crown cuttings were performed, minimally invasive extraction was conducted.In the control group, the distal and buccal bone plates were removed with a ball drill, the distal and buccal crowns were exposed, and T-shaped crown was cut. The other procedures were the same. The degree of swelling, restricted mouth opening and VAS pain score after operation were observed, the levels of C-reactive protein and anti-hemolytic streptoglobulin were detected by laboratory tests, and the periodontal probing depth(PD), bleeding index (BI), and clinical attachment loss(CAL) of the adjacent second molar were examined 1 month after surgery. SPSS 25.0 software package was used for data analysis. RESULTS: The swelling degree of the two groups was significantly relieved in the experimental group than in the control group (P<0.05), and there was no significant difference in the degree of mouth opening limitation and pain (P>0.05). The level of C-reactive protein in the control group was significantly higher than that in the observation group (P<0.05). There was no significantly difference in the level of anti-hemolytic streptococcus between the 2 groups (P>0.05). One month after operation, the PD and CAL in the control group were significantly higher than those in the experimental group(P<0.05). There was no significant difference between the 2 groups in BI(P>0.05). CONCLUSIONS: The patients who preserve the buccal bone plate by minimally invasive extraction of impacted mandibular teeth have less reaction and better wound healing.

Key words: Impacted tooth, Minimally invasive tooth extraction, T-shaped crown-cutting, Buccal bone plate

CLC Number:

R782.1

XU Zhen, JIA Guo-dong, WANG Yi. Clinical observation of minimally invasive extraction of lower third molar by retaining the buccal bone plate[J]. Shanghai Journal of Stomatology, 2024, 33(1): 97-100.

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