Analysis of effectiveness and complications of botulinum toxin A masseter injection and hyaluronic acid chin injection related to lower third of facial contour remodeling
نویسندگان
چکیده
Objective: The present study was aimed to study the effectiveness of botulinum toxin A masseter injection and hyaluronic acid chin injection in pretext of the lower third facial contour remodeling. Methods: 60 Chinese cases that underwent a lower third of facial contour remodeling for the first time were selected. Before surgery, a conventional electromyography was performed. The Root Mean Square (RMS) values were calculated through electromyography and were recorded. Surgery was performed on all the subjects in order to compare satisfaction, muscle strength value of masseter and occurrence rate of complications post-surgery. Scores of surgery satisfaction were administered based on the attitude of medical staff, service quality and facial shape improvement through questionnaires distributed to
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