Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

134 questions · 141 findings · 15 reviews · Implants and prosthodontics

No studies found 31 · 22%GRADE not reported 56 · 39.7%Very low 47 · 33.3%Low 6 · 4.3%Moderate 1 · 0.7%High 0 · 0%

Single-stage alginate impression (simplified method) vs Two stage-two step elastomer (silicone, polysulfide, or polyether) conventional method

Mandibular denture satisfaction · Completely edentulous people

It is very uncertain whether single-stage alginate impression (simplified method) changes mandibular denture satisfaction compared with two stage-two step elastomer (silicone, polysulfide, or polyether)… (very low certainty).

1 finding from 1 review

Single-stage alginate impression (simplified method) vs Two stage-two step elastomer (silicone, polysulfide, or polyether) conventional method

Maxillary denture satisfaction · Completely edentulous people

It is very uncertain whether single-stage alginate impression (simplified method) changes maxillary denture satisfaction compared with two stage-two step elastomer (silicone, polysulfide, or polyether)… (very low certainty).

1 finding from 1 review

Single-stage alginate impression (simplified method) vs Two stage-two step elastomer (silicone, polysulfide, or polyether) conventional method

Oral health-related quality of life · Completely edentulous people

It is very uncertain whether single-stage alginate impression (simplified method) changes participant-reported oral health-related quality of life (OHIP-EDENT) compared with two stage-two step elastomer (silicone, polysulfide, or polyether)… (very low certainty).

1 finding from 1 review

Single-stage alginate impression (simplified method) vs Two stage-two step zinc-oxide eugenol (ZoE) traditional method

Operator-assessed quality of the denture (retention and stability) · Completely edentulous people
1 finding from 1 review

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

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with eating with denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

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

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with appearance of denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

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

Preprosthetic surgery for a conventional denture (PPS) led to lower overall denture satisfaction (0-10 scale) compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

3 findings from 1 review

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

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with speech with denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Altered chin or lower lip skin sensation (binary) · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) led to lower morbidity: altered sensation of the lower lip and chin compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Dissatisfied with lower denture · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with lower denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Preprosthetic surgery for a conventional denture (PPS) vs Implant retained overdenture (dental implants) (IRO)

Dissatisfied with retention of denture · Edentulous patients requiring improved denture retention

Preprosthetic surgery for a conventional denture (PPS) showed no clear difference in dissatisfied with retention of denture compared with implant retained overdenture (dental implants) (IRO); GRADE not reported.

1 finding from 1 review

Wax (fluid wax), two stage-two step selective pressure final impression vs Polysulfide rubber (elastomer)

Number of border adjustments and sore spots after insertion of denture · Completely edentulous people

It is very uncertain whether wax (fluid wax), two stage-two step selective pressure final… changes number of border adjustments and sore spots after insertion of denture compared with polysulfide rubber (elastomer) (very low certainty).

1 finding from 1 review

Biofunctional Prosthetic System (BPS): closed-mouth two stage-two step final impression with addition silicone elastomer vs Conventional complete denture technique (CCD): open-mouth two stage-two step conventional technique using elastomer

Oral health-related quality of life · Completely edentulous people
1 finding from 1 review

Biofunctional Prosthetic System (BPS): closed-mouth two stage-two step final impression with addition silicone elastomer vs Conventional complete denture technique (CCD): open-mouth two stage-two step conventional technique using elastomer

Number of border adjustments and sore spots after insertion of denture · Completely edentulous people
1 finding from 1 review

Biofunctional Prosthetic System (BPS): closed-mouth two stage-two step final impression with addition silicone elastomer vs Conventional complete denture technique (CCD): open-mouth two stage-two step conventional technique using elastomer

Participant-reported quality of the denture (general satisfaction) · Completely edentulous people
1 finding from 1 review

Pre-drilling mini-screw implant vs Self-drilling mini-screw implant

Success of the anchorage device · Patients undergoing orthodontic treatment requiring surgical (mini-screw implant) anchorage

Pre-drilling mini-screw implant showed no clear difference in success of the anchorage device compared with self-drilling mini-screw implant; GRADE not reported.

1 finding from 1 review

Pre-drilling mini-screw implant vs Self-drilling mini-screw implant

Patient perception: pain · Patients undergoing orthodontic treatment requiring surgical (mini-screw implant) anchorage
1 finding from 1 review