A Retrospective Review of Outcomes of Dental Treatment Performed for Special Needs Patients under General Anaesthesia: 2-Year Follow-Up

Table 1

Failures rates of different treatment procedures.

Treatment procedures	Total number of; procedures	Number of failed procedures	Failure rate (%)	Post hoc
Preventive procedures	343	41	11.9
Restorative procedures	985	160	16.2	b
Pulpotomy/pulpectomy	152	14	9.2
Root canal treatment	8	—	—^*

Not included in statistical analysis.
Statistically significant at < 0.01, Pearson’s chi-square test.
Post hoc < 0.001, a = preventive procedures versus restorative procedures; b = restorative procedures versus pulpotomy/pulpectomy; c = preventive procedures versus pulpotomy/pulpectomy.