Mandibular deformation among violin players

概要

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Pressure is exerted against the violinist's mandible while playing the instrument. I compared the craniofacial morphology of violinists with that of patients with mandibular deformities using standardized frontal cephalograms. The subjects included 10 violinists and 15 patients with mandibular deformities. I collected data for the zygoma line, mastoidate line, anterior nasal spine to menton line, condylion line, antegonion notch line and the maxillary molar line. Correlation analysis was done on all of these lines. Among violin players, there was a correlation at p<0.01 between the antegonion notch line and the zygoma line. There was a correlation at p<0.05 between the antegonion notch line and anterior nasal spine to menton line. The same was true for the antegonion notch line and condylion line. Among mandibular deformity patients, a correlation was observed at p<0.01 between the antegonion notch line and anterior nasal spine to menton line. Correlation for the condylion line and the zygoma line was significant at the same level. There was a correlation at p<0.05 between the antegonion notch line and maxillary molar line. These results indicate that the temporal bone of violinists is deformed in a similar manner to that of patients who use a chin cap. However, the temporal bone of mandibular deformity patients is not deformed.
大阪歯科学会の論文