Retrospective Study Comparing Clinical Outcomes of Fixed Dental Prostheses in Matched Groups of Bruxer and Nonbruxer Patients

Table 2

The reasons for FDPs failures in bruxers and nonbruxers.

Reasons for FDPs failures	Bruxers		Nonbruxers
	Frequency	Percentage	Frequency	Percentage
Loss of retention	5	25.0	4	25.0
Tooth loss	5	25.0	4	25.0
Tooth fracture (root or crown)	2	10.0	1	6.3
Major chipping	2	10.0	0	0
Periapical destruction (radiolucency)	2	10.0	1	6.3
Replace old construction by new one due to change situation	2	10.0	1	6.3
Loss of tooth vitality	1	5.0	2	12.5
Mobility	1	5.0	0	0
Esthetic dysfunction	0	0	1	6.3
Allergy	0	0	1	6.3
Total	20	100.0	16	100.0

FDPs, fixed dental prostheses.