## 5 Conclusions
\begin{tabular}{c c c} \hline
**Database** & **Search** & **Search Strategy** \\ \hline \#1 & [mh \"Titanium\"] \\ \hline \#2 & \"Titanium\":ti,ab,kw OR \"titanium surface\":ti,ab,kw OR \"titanium surfaces\":ti,ab,kw OR \"rough surface\":ti,ab,kw \\ \hline \#3 & [mh \"Peri-Implantities\"] \\ \hline \#4 & \"Peri-Implantitis\":ti,ab,kw OR \"Peri Implantities\":ti,ab,kw OR \"Peri Implantities\":ti,ab,kw OR \\ \hline \#5 & [mh \"Postheses and Implants\"] \\ \hline \#6 & \"Prostheses and Implants\":ti,ab,kw OR \"Implants and Prostheses\":ti,ab,kw OR \"Prosthetic Implants\":ti,ab,kw OR \"Prostheses and Implant\":ti,ab,kw OR \"Implant and Prostheses\":ti,ab,kw OR \"Prosthetic Implant\":ti,ab,kw OR \\ \#6 & \"Implant, Prosthetic\":ti,ab,kw OR \"Implants, Prosthetic\":ti,ab,kw OR \"Endoprostheses\":ti,ab,kw OR \"Endoprostheses\":ti,ab,kw OR \"Profheses\":ti,ab,kw OR \"Implands, Arrtificial\":ti,ab,kw OR \"Artificial Implant\":ti,ab,kw OR \"Artificial Implant\":ti,ab,kw OR \"Artificial Implant\":ti,ab,kw OR \"Implant, Artificial\":ti,ab,kw \\ \hline \#7 & \#1 OR \#2 OR \#3 OR \#4 OR \#5 OR \#6 \\ \hline \#8 & [mh \"Air Abrasion, Dental\"] \\ \hline \multirow{4}{*}{
\begin{tabular}{c} Cochrane \\ Library \\ \end{tabular} } & \"Air Abrasion, Dental\":ti,ab,kw OR \"Abrasion, Dental Air\":ti,ab,kw OR \"Abrasions, Dental Air\":ti,ab,kw OR \"Air Abrasions\":ti,ab,kw OR \"Dental Air Abrasions\":ti,ab,kw OR \"air abrasive\":ti,ab,kw OR \"air polishing\":ti,ab,kw OR \"abrasive powder\":ti,ab,kw \\ \hline \#10 & \#8 OR \#9 \\ \hline \#11 & [mh \"Periodontal Index\"] \\ \hline \#12 & \"Periodontal Index\":ti,ab,kw OR \"Index, Periodontal\":ti,ab,kw OR \"Indices, Periodontal\":ti,ab,kw OR \"Periodontal Indices\":ti,ab,kw OR \"Periodontal Index\":ti,ab,kw OR \"Periodontal Index of Treatment Needs\":ti,ab,kw OR \"CPHT\":ti,ab,kw OR \"Bleeding on Probing\":ti,ab,kw OR \"Gingival Index\":ti,ab,kw OR \"Gingival Indices\":ti,ab,kw OR \"Index, Gingival\":ti,ab,kw OR \"Indices, Gingival\":ti,ab,kw OR \"Indices\":ti,ab,kw OR \"BOP\":ti,ab,kw OR \"Probing pocket depth\":ti,ab,kw OR \"PPD\":ti,ab,kw OR \"bone level\":ti,ab,kw \\ \hline \#14 & [mh \"Dental Plaque Index\"] \\ \hline \#15 & \"Indexes, Dental Plaque\":ti,ab,kw OR \"Indices, Dental Plaque\":ti,ab,kw OR \"Dental Plaque Indexes\":ti,ab,kw OR \"Dental Plaque Indices\":ti,ab,kw OR \"Dental Plaque Indices\":ti,ab,kw OR \"Index, Dental Plaque\":ti,ab,kw OR \"Plaque index\":ti,ab,kw \\ \hline \#16 & \#11 OR \#12 OR \#13 OR \#14 OR \#15 \\ \hline \#17 & \#7 AND \#10 AND \#16 \\ \hline \end{tabular}   
**Table A2. ** Analyses for publication bias. \begin{tabular}{c c c c c} \hline  & & **PD** & **BOP** & **Bone Level** \\ \hline \multirow{2}{*}{Original analysis} & SMD (95\% CI) & 0.28 (\(-\)0.20 to 0.76) & 0.51 (0.07 to 0.95) & \(-\)0.14 (\(-\)0.77 to 0.48) \\  & \(p\)-value & \(p\) < 0.01 & \(p\) < 0.01 & \(p\) < 0.01 \\ \hline \multirow{3}{*}{Trim-and-Fill analysis} & SMD (95\% CI) & \(-\)0.19 (\(-\)0.76 to 0.38) & 0.12 (\(-\)0.44 to 0.68) & \(-\)0.14 (\(-\)0.77 to 0.48) \\  & Filled studies & 5/22 & 3/12 & 0/7 \\  & /total studies & & & \\ \hline \multirow{3}{*}{[PERSON]'s regression test} & \(t\)-value & 1.76 & 3.15 & \(-\)0.81 \\  & df & 15 & 7 & 5 \\ \cline{1-1}  & \(p\)-value & 0.10 & 0.02 & 0.45 \\ \cline{1-1}  & Bias estimate & 5.85 (SE = 3.32) & 5.65 (SE = 1.67) & \(-\)3.51 (SE = 4.31) \\ \hline \end{tabular}   
* PD, probing depth; BOP, bleeding on probing; CI, confidence of interval; df, degree of freedom; SE, standard error.