Relevance of Variations in the Opposing Dentition for the Functionality of Fixed and Removable Partial Dentures: A Systematic Review

Table 8

Effect of removable denture on eating habits.

Study	Question	Kennedy Class	Gap width/residual dentition	Opposing dentition	Age of prosthesis; in month (range)	Result
Prospective interventional trials
				ND (66%)		1.35^a
Wayler et al., 1984 [18]	Is the test food easy to swallow?	n/a	n/a	RPD (19%)	n/a	1.42^a
				CD (15%)		1.56^a
One-time data collection studies/questionnaires
Frank et al., 1998 [22]	Do you use your lower partial denture for eating?	I (58%); II (21%); III (13%); IV (6%); n/a (2%)	n/a	ND (18%); FPD (19%); RPD (25%); CD (36%); n/a (2%)	n/a (12–180)	85.9%^b
	Do you have difficulties in chewing with your lower partial denture?					42.1%^b
	Does your lower partial denture limit your choice of foods?					46.2%^b
	Does your lower partial denture affect the taste of food?					15.6%^b
	Does food get under your lower partial denture when you eat?					83.8%^b
Liedberg et al., 2005 [25]	How often do you eat hard food?	n/a	RD = 17.4^c; RD = 11.8^c; RD = 5.0^c	ND (37%); RPD (19%); CD (44%)	n/a	98.9%^d; 100.1%^d; 100.1%^d
	How often do you eat soft food?		RD = 17.4^c; RD = 11.8^c; RD = 5.0^c	ND (37%); RPD (19%); CD (44%)		123.7%^d; 124.0%^d; 122.4%^d
Ow et al., 1997 [26]	Do you face chewing problems with your prosthesis?	n/a	n/a	ND	n/a	8%^b

^aRating scheme from 1 (positive) to 4 (negative) with 13 test foods (Hard rolls, French or Italian bread, Pot roast, Steak, Salami, Fried clams, Fried chicken, Raw carrots, Celery, Cole slaw, Cucumbers, Apples, and Peanuts), mean values calculated per patient and group, no variance given.
^bPercentage of patients answering “yes” to the question.
^cNo variance given.
^dHow often and how much hard (Pork, Beef, Raw Vegetables, Apples, Pears, Wholemeal bread, and Crisp bread) and soft (Cod-fish, Herring, Minced meat, Boiled vegetables, Sausages, and Bananas) food was eaten in a month. The eating habits of the participant showing the least impairment in instrumental measurement of masticatory efficiency were defined as 100%.
CD: complete denture, FPD: fixed partial denture, IFP: implant-supported fixed prostheses, ND: natural dentition, RD: residual dentition, RPD: removable partial denture, n/a: not available.