Table 3.

Failure rates of different treatment procedures by tooth type.

Treatment procedures	Failure rate (%)				Overall P value	Post hoc
	Primary tooth
	Incisors	Canines		Molars
Preventive procedures	—	—		13.3	—
Restorative procedures	21.6	40.3		10.3	P < 0.01	a, b, c
Pulpotomy/pulpectomy	51.7	33.3		6.4	P < 0.01	a, b, c
Root canal treatment	—	—		—	—
	Permanent tooth
	Incisors	Canines	Premolars	Molars
Preventive procedures	0	—	2.1	17.9	P < 0.05	F
Restorative procedures	19.6	26	3.1	14.2	P > 0.05
Pulpotomy/pulpectomy	0	—	—	—	—
Root canal treatment	0	—	—	—

Post hoc P < 0.01, a = primary incisor versus primary canine; b = primary incisor versus primary molar; c = primary canine versus primary molar.

Post hoc P < 0.01, A = permanent incisors versus permanent canines; B = permanent incisors versus premolars; C = permanent incisors versus permanent molars; D = permanent canines versus premolars; E = permanent canines versus permanent molars; F = premolars versus permanent molars.