Twenty years of endodontic success and failure

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“…Recent long-term clinical studies indicate that direct pulp capping can produce success rates of between 80% and 90% (14)(15)(16). These figures compare favourably with the success rate of 85% to 90% that can be expected from root canal treatment (17).…”

The outcome of root canal treatment. A retrospective study within the armed forces (Royal Air Force)

“…The high success rate in the present work of teeth that were overfilled contrasts with the findings of some other studies. [5][6][7] Interestingly, however, overfilling did not produce the worst results in the work of Barbakow et al, [8][9] and Boggia 23 deliberately overfilled 52 non-vital teeth with Endomethasone (Septodont) containing paraformaldehyde with no failures. Again, the non-standardised method of obtaining the radiographic images may have affected the outcome.…”

“…[3][4][5][6][7] Molven and Halse 6 examined root canal treatment performed by dental students and found success rates of 68% for teeth with preexisting periapical radiolucencies, and 91% in teeth without preexisting periapical radiolucencies. Heling and Tamshe 4 reported an overall success rate of 70% in 213 teeth that were also treated by dental undergraduates.…”

Molar apicectomy with amalgam root-end filling: results of a prospective study in two district general hospitals

“…15 Traditionally, in connection with molar teeth specifically, the perception has tended to be that the outcome of RCT here is likely to be worse than for other teeth. In fact some studies have confirmed this [16][17][18][19] but others have not. [20][21][22][23] What is evident, however, is that molar RCT has become more widely practised in recent years and, in consequence, the number of molars being orthograde root-filled has now actually outstripped the number of anterior teeth so treated (Table 1).…”