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Chinese Journal of Stomatological Research(Electronic Edition) ›› 2021, Vol. 15 ›› Issue (03): 161-168. doi: 10.3877/cma.j.issn.1674-1366.2021.03.006

• Meta Analysis • Previous Articles     Next Articles

Meta-analysis of the effect of conservative treatment versus surgical treatment for adult mandibular condylar fractures

Xiaoning Yu1, Jiechen Cai2, Lihao Huang2, Yue Zhu3, Jinsong Hou3,()   

  1. 1. Department of Stomatology, Huizhou First Peoples Hospital, Huizhou 516003, China; Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincal Key Laboratory of Stomatology, Guangzhou 510055, China
    2. Department of Stomatology, Huizhou First Peoples Hospital, Huizhou 516003, China
    3. Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincal Key Laboratory of Stomatology, Guangzhou 510055, China
  • Received:2021-03-20 Online:2021-06-01 Published:2021-07-07
  • Contact: Jinsong Hou
  • Supported by:
    Science and Technology Planning Project of Huizhou(2018Y087)

Abstract:

Objective

To analyze and compare the curative effect of conservative and surgical treatment for adult mandibular condylar fracture, and to provide the basis for clinical treatment of adult mandibular condylar fracture.

Methods

Web of science, PubMed, Cochrane library, and Embase database were searched for literature about conservative and surgical treatment of adult condylar fracture. The searching time was from establishment of the databases to May 1st, 2020. The literature was screened strictly according to the inclusion and exclusion criteria, of which the quality was evaluated. Adult mandibular condylar fracture related data were extracted for use. Odds ratio (OR) or mean difference (MD) and 95% confidence interval (CI) for efficacy indicators were calculated with a software (RevMan v.5.3) . Sensitivity analysis and publication bias test were performed for studies with heterogeneity using Statase (v.12.0) .

Results

A total of 23 studies related to conservative and surgical treatment of adult mandibular condylar fractures were included, involving 917 patients with conservative treatment and 819 patients with surgical treatment. The results showed that the incidence of occlusal disorder [OR = 3.07, 95% CI (2.07, 4.58) , P<0.001] and mandibular deviation [OR=2.51, 95% CI (1.36, 4.63) , P = 0.003] after surgical treatment of condylar fracture was significantly lower than that after conservative treatment. The recovery of maximum mouth width with surgical treatment [MD = -3.70, 95% CI (-4.39, -3.02) , P<0.001] was better than that with conservative treatment. However, the post-op pain of soft tissue [OR = 0.21, 95% CI (0.07, 0.62) , P = 0.005], swelling [OR = 0.26, 95% CI (0.15, 0.46) , P<0.001], and injury of facial nerve after surgical treatment [OR = 0.13, 95% CI (0.03, 0.61) , P = 0.009] were significantly higher than that after conservative treatment. No significant difference was found between the two groups in joint pain, jaw movement pain, mouth opening length <35 mm, joint clanging, reduced height of mandibular ramus, facial asymmetry, salivary leakage, scar and lateral deviation (P>0.05) .

Conclusions

With surgical treatment, the recovery of occlusal relationship, mandibular deviation and the maximum degree of mouth opening were better than that with conservative treatment, but the occurrence of soft tissue pain, swelling and facial nerve injury was significantly higher. In the clinical work, the patients suffered from condylar fracture with occlusal disorder, mandibular deviation, and limitation of mouth opening should be treated surgically, otherwise the conservative treatment should be a better option.

Key words: Mandibular condyle, Fractures, bone, Adult, Conservative treatment, Oral surgical procedures

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