Table 1.

Reasons for first-time and replacement resin-based composite restorations by tooth type

	Central incisors, %	Lateral incisors, %	Canines, %	Total, %
Reasons for first-time placement
Primary caries	68	62	38	56
Tooth discolouration	23	17	8	16
Tooth fracture	24	13	8	15
Dental erosion	17	13	9	13
Reasons for replacement
Secondary caries	54	47	28	43
Restoration discolouration	36	28	17	27
Loss of filling	27	16	11	18
Fracture of filling	17	12	7	12