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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Every word you type has to appear somewhere in the question, and the closest matches are ranked first.

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Intervention or exposure

Comparison

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Review versions

3,358 questions in 190 reviews · cluster CL0289

current versions

No studies 599 · 17.8%Ungraded 1,759 · 52.4%Very low 612 · 18.2%Low 269 · 8%Moderate 107 · 3.2%High 12 · 0.4%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

Question	Effect	Evidence	Status / GRADE
Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO) Dissatisfied with eating with denture · Edentulous patients requiring improved denture retention · 1 year Interventions for replacing missing teeth: preprosthetic surgery versus dental implants (2002) · Cochrane	RR 5.36 [0.67, 43.07]	1 study · 58 participants	Ungraded
Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO) Dissatisfied with appearance of denture · Edentulous patients requiring improved denture retention · 1 year Interventions for replacing missing teeth: preprosthetic surgery versus dental implants (2002) · Cochrane	RR 1.43 [0.35, 5.83]	1 study · 58 participants	Ungraded
Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO) Overall denture satisfaction (0-10 scale) · Edentulous patients requiring improved denture retention · 5 years Interventions for replacing missing teeth: preprosthetic surgery versus dental implants (2002) · Cochrane	MD -0.90 [-1.74, -0.06]	1 study	Ungraded
Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO) Overall denture satisfaction (binary) · Edentulous patients requiring improved denture retention · 1 year Interventions for replacing missing teeth: preprosthetic surgery versus dental implants (2002) · Cochrane	RR 16.03 [0.96, 268.36]	1 study · 58 participants	Ungraded
Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO) Dissatisfied with speech with denture · Edentulous patients requiring improved denture retention · 1 year Interventions for replacing missing teeth: preprosthetic surgery versus dental implants (2002) · Cochrane	RR 7.5 [0.98, 57.16]	1 study · 58 participants	Ungraded
Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO) Morbidity: altered sensation of the lower lip and chin · Edentulous patients requiring improved denture retention · 1 year; 5 years Interventions for replacing missing teeth: preprosthetic surgery versus dental implants (2002) · Cochrane	Morbidity: altered lower lip and chin sensation, measured at 1 year and 5 years (Risk Ratio, M-H Fixed; totals not selected). There was no statistically significant difference at either time point and no patients had…	1 study	Ungraded
Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO) Overall denture satisfaction (0-10 scale) · Edentulous patients requiring improved denture retention · 1 year Interventions for replacing missing teeth: preprosthetic surgery versus dental implants (2002) · Cochrane	MD -0.66 [-1.28, -0.04]	1 study	Ungraded
Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO) Dissatisfied with lower denture · Edentulous patients requiring improved denture retention · 1 year Interventions for replacing missing teeth: preprosthetic surgery versus dental implants (2002) · Cochrane	RR 3.75 [0.85, 16.55]	1 study · 58 participants	Ungraded