Primary study · included by 1 review
Survival rates and reasons for failure of posterior composite restorations in multicentre clinical trial
Letzel 1989 · Letzel H. · Journal of Dentistry · 1989
doi:10.1016/0300-5712(89)90156-5journal-article
Trial PICO
Not extracted yet. Trial-level population, intervention, comparator, outcomes and design will appear here after the trial extraction run. Until then, the reviews below describe the study.
Results
Not extracted yet. Per-trial results (events, means, effect and weight as each review's forest plot reports them) will appear here after the trial extraction run.
Included by
| Outcome this study informs | Pooled effect | Evidence | Certainty |
|---|---|---|---|
Restoration failure (replacement, tooth/restoration fracture, secondary caries, postoperative sensitivity, toothache) Composite resin restorations vs Amalgam restorations · At least 12 months follow-up (included studies followed 24 to 144 months) | RR 0.96 [0.68, 1.34] | 13 studies | Ungraded |
1 including review in total.