evidencegaps
Primary study · included by 1 review

Microbiologic analysis of teeth with failed endodontic treatment and the outcome of conservative re-treatment.

Sundqvist 1998 · Sundqvist G, Figdor D, Persson S, et al. · Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics · 1998

Included by

Effect of root canal filling techniques and materials on endodontic treatment outcomes: a systematic review and meta-analysis.
Non-Cochrane · intervention · 2026 · cited as Sundqvist 1998 · Table 2; reference 89

The review does not say which of its outcomes this study informs.

1 including review in total.