evidencegaps
Primary study · included by 1 review

Impact of machined versus structured implant shoulder designs on crestal bone level changes: a randomized, controlled, multicenter study.

Rothamel 2022 · Rothamel Daniel, Heinz Maria, Ferrari Daniel, et al. · International journal of implant dentistry · 2022

Included by

Long-Term Peri-Implant Outcomes of Smoother/Hybrid Versus Moderately Rough Titanium Implant Surfaces: An Updated Systematic Review and Meta-Analysis.
Non-Cochrane · intervention · 2026 · cited as Rothamel 2022 · Table 3; Figure 2
Outcome this study informsPooled effectEvidenceCertainty
Implant failure
Smoother, minimally rough, machined or hybrid titanium implant surfaces vs Moderately rough or rougher titanium implant surfaces · At least 24 months; longest eligible follow-up
RR 2.12 [0.85, 5.31]7 studiesVery low
Marginal bone-level change
Smoother, minimally rough, machined or hybrid titanium implant surfaces vs Moderately rough or rougher titanium implant surfaces · At least 24 months; longest eligible follow-up
MD 0.07 [-0.12, 0.27]8 studiesVery low
Marginal bone-level change
Smoother, minimally rough, machined or hybrid titanium implant surfaces vs Moderately rough or rougher titanium implant surfaces · At least 24 months; longest eligible follow-up
MD -0.06 [-0.29, 0.16]5 studiesGRADE not reported

1 including review in total.