Abstract
Objective: To determine the level of chewing ability with various categories of FTUs in subjects reporting to Prosthodontics department, Khyber College of Dentistry, Peshawar, Khyber Pakhtunkhwa.
 Materials and Methods:It is a descriptive, cross-sectional study conducted in Department of Prosthodontics, Khyber College of Dentistry, Peshawar from January to November, 2016. In this study a total of 166 patients were observed and a questionnaire consisting of demographic information (age and sex), number and category of FTUs and the chewing ability test questions about 15 Pakistani common test foods was filled, with 95% confidence level in 6% margin of error. The subjects who will declare all food items as easy to chew/eat will be considered to have sufficient chewing ability. Moreover, nonprobability consecutive technique was used for data collection
 Results: Out of 166 subjects, majority (95.2%) of the subjects belonging to “>8 FTUs” category showed sufficient chewing ability, while 70.6% of the individuals in “8 FTUs” category and 49.3% of the individuals from “<8 FTUs” category showed sufficient chewing ability.
 Conclusion: This study confirms that the number of retained natural teeth and categories of FTUs, consisting of posterior occluding units, are key factors to chewing ability. Eight FTUs serve acceptable chewing ability in patients who eat common Pakistani food.
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