Meta-analysis of the condylar position with mandibular deviation

doi:10.19439/j.sjos.2018.02.019

Abstract

Abstract: PURPOSE: This study was aimed to analyze the differences of condylar position between the mandibular deviation and the individual normal occlusion. METHODS: Databases of PubMed,Embase ,CNKI ,Wanfang ,VIP and CBL were searched for the relevant articles about condylar position with mandibular deviation. The deadline was June 2017.Data quality evaluation and extraction were independently conducted by two authors. Then meta analysis was performed using Rev Man 5.3 software. RESULTS: Six articles on controlled study of the condylar position in patients with mandibular deviation and individuals with normal occlusion were included. 122 patients had mandibular deviation and 110 had normal occlusion. Meta analysis results showed that the condylar superior space[MD=-0.38,95%CI(-0.74,-0.01),P=0.04]and anterior space[MD=-0.72,95%CI(-0.99,-0.04),P<0.00001]of the deviation side in mandibular deviation group were significantly greater than that of the opposite side; The condylar posterior space[MD=-0.35,95%CI(0.25,0.45),P<0.00001]of the deviation side in mandibular deviation group was significantly smaller than that of the opposite side. The condylar posterior space of deviation side[MD=-0.58,95%CI(-0.88,-0.28),P=0.0002],opposite side[MD=-0.30,95%CI(-0.59,-0.00),P=0.05] and the anterior space of opposite side[MD=-0.85,95%CI(-1.58,-0.13),P=0.02] in the mandibular deviation group was significantly smaller than that in the individuals with normal occlusion; the differences were statistically significant. There was no significant difference in the condylar superior space between the deviation side[MD=-0.56,95%CI(-1.14,0.02),P=0.06] and the opposite side[MD=-0.58,95%CI(-1.27,0.10),P=0.10] and the anterior space[MD=-0.05,95%CI(-0.35,0.46),P=0.80]in deviation side in the mandibular deviation group ,comparing with individuals with normal occlusion. CONCLUSIONS: The condylar position of deviation side in patients with mandibular deviation is posterior and inferior, comparing with the opposite side. The condylar position of deviation side in patients with mandibular deviation is posterior, comparing with the individuals with normal occlusion.

Key words: Mandibular deviation, Condylar position, Meta analysis

CLC Number:

R783.5

LIU Shuai, ZHAO Zhen-jin, ZHAO Rui, ZHENG Xue-song, WANG Li-ping. Meta-analysis of the condylar position with mandibular deviation[J]. Shanghai Journal of Stomatology, 2018, 27(2): 210-215.

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