Summary
The purpose of this study was to identify the risk factors associated with the masticatory dysfunction after maxillectomy using a colour?changing chewing gum. Thirty?nine patients who underwent maxillectomy between January 2002 and May 2010 in the Department of Kobe University Hospital were recruited for this study. There were 20 male and 19 female subjects, with a median age of 73·3 years (range of 44–90) at the time of surgery. The intra?oral conditions after maxillectomy were classified by HS classification, and the masticatory function was evaluated by a colour?changing chewing gum and the results of a modified Sato’s questionnaire. The scores of the colour?changing gum were closely correlated with the scores of the modified Sato’s questionnaire (r = 0·661, P …
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