Primary study · included by 1 review

The Tennessee study: factors affecting treatment outcome and healing time following nonsurgical root canal treatment.

Azim 2016 · Azim A A, Griggs J A, Huang G T-J · International endodontic journal · 2016

Included by

Outcomes of root canal treatment performed by undergraduate students: A systematic review and meta-analysis.
Non-Cochrane · prognostic · 2026 · cited as Azim 2016 · Table 2; Figure 2; Reference list
Outcome this study informsPooled effectEvidenceCertainty
Clinical and radiographic treatment success rate (per root)
Anterior teeth vs Molars (premolars also reported) · 6 months to 8 years follow-up
Unweighted pooled success rate (%) 68.73 studies · 351 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Anterior teeth vs Molars (premolars also reported) · 6 months to 8 years follow-up
Weighted pooled success rate (%) 68.73 studies · 351 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Anterior teeth vs Molars (premolars also reported) · 6 months to 8 years follow-up
Unweighted pooled success rate (%) 79.43 studies · 216 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Anterior teeth vs Molars (premolars also reported) · 6 months to 8 years follow-up
Weighted pooled success rate (%) 82.23 studies · 202 participantsGRADE not reported
Clinical and radiographic treatment success
Primary nonsurgical root canal treatment or retreatment by undergraduate students vs None (success versus failure counts; no comparator) · 6 months to 8 years follow-up
RD 0.43 [0.40, 0.46]11 studies · 2065 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Anterior teeth vs Molars (premolars also reported) · 6 months to 8 years follow-up
Unweighted pooled success rate (%) 82.23 studies · 202 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Maxillary teeth vs Mandibular teeth · 6 months to 8 years follow-up
Unweighted pooled success rate (%) 76.83 studies · 436 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Absence of preoperative periapical lesion vs Presence of preoperative periapical lesion · 6 months to 8 years follow-up
Weighted pooled success rate (%) 86.83 studies · 477 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Preoperative vital pulp diagnosis vs Preoperative necrotic pulp · 6 months to 8 years follow-up
Weighted pooled success rate (%) 87.83 studies · 329 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Absence of preoperative periapical lesion vs Presence of preoperative periapical lesion · 6 months to 8 years follow-up
Weighted pooled success rate (%) 56.33 studies · 294 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Maxillary teeth vs Mandibular teeth · 6 months to 8 years follow-up
Weighted pooled success rate (%) 73.13 studies · 335 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Maxillary teeth vs Mandibular teeth · 6 months to 8 years follow-up
Unweighted pooled success rate (%) 72.13 studies · 335 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Maxillary teeth vs Mandibular teeth · 6 months to 8 years follow-up
Weighted pooled success rate (%) 76.83 studies · 436 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Preoperative vital pulp diagnosis vs Preoperative necrotic pulp · 6 months to 8 years follow-up
Unweighted pooled success rate (%) 62.23 studies · 442 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Preoperative vital pulp diagnosis vs Preoperative necrotic pulp · 6 months to 8 years follow-up
Weighted pooled success rate (%) 65.63 studies · 442 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Preoperative vital pulp diagnosis vs Preoperative necrotic pulp · 6 months to 8 years follow-up
Unweighted pooled success rate (%) 87.13 studies · 329 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Absence of preoperative periapical lesion vs Presence of preoperative periapical lesion · 6 months to 8 years follow-up
Unweighted pooled success rate (%) 55.83 studies · 294 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Anterior teeth vs Molars (premolars also reported) · 6 months to 8 years follow-up
Weighted pooled success rate (%) 79.43 studies · 216 participantsGRADE not reported
Clinical and radiographic treatment success rate (per root)
Absence of preoperative periapical lesion vs Presence of preoperative periapical lesion · 6 months to 8 years follow-up
Unweighted pooled success rate (%) 87.13 studies · 477 participantsGRADE not reported

1 including review in total.