“Effects of Dentition Status and Personality on Masticatory Performance and Food Acceptability,” R.I. Garcia, L.C. Perlmuter and H.H. Chauncey, Dysphagia, vol. 4, no. 2, 1989, pp. 121–6 (http://dx.doi.org/10.1007/BF02407157.)
(Thanks to Ann Pentallo for bringing this to our attention.)
The authors report that:
Masticatory and swallowing performance were diminished in persons with artificial dentition, and these individuals also perceived an increase in the difficulty of chewing raw carrots.