Abstract
BackgroundChewing ability is often compromised in patients with oral cancer. The aim of this study was to identify which factors affect masticatory performance in these patients.MethodsPatients with primary oral cancer were assessed for up to 5 years after primary treatment. Healthy controls were assessed once. A mixed‐model analysis was performed, with masticatory performance as outcome measure.ResultsA total of 123 patients were included in the study. Factors positively associated with masticatory performance were number of occlusal units (OU), having functional dentures, and maximum mouth opening (MMO). The impact of tumor location and maximum bite force (MBF) differed per assessment moment. Masticatory performance declined for up to 1 year but recovered at 5 years after treatment.ConclusionMasticatory performance in patients treated for oral cancer is affected by MBF, MMO, number of OU, and dental status. These should be the focus of posttreatment therapy.
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