Table 2.

Reasons for rejecting the use of PMCs by dentists and parents.

		n	Percent of responses (%)	Percent of cases (%)
Reasons for rejecting the use of PMCs by dentists	Lack of knowledge to use PMCs	210	41.7	67.1
	Low charges/low input-output ratio	75	14.9	24.0
	Other technical limitations	47	9.3	15.0
	Noncompliance of children	28	5.6	8.9
	Aesthetic concerns	27	5.4	8.6
	Unawareness of PMCs	21	4.2	6.7
	Other reasons	95	18.9	30.4
	Total	503	100.0	160.7
Reasons for rejecting the use of PMCs by parents	Incomprehension of merits	103	43.6	82.4
	Prices	57	24.2	45.6
	Aesthetic concerns	52	22.0	41.6
	Noncompliance of children	24	10.2	19.2
	Total	236	100.0	188.8

PMCs: preformed metal crowns.