Findings

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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%

Selective pressure final-impression technique (two stage-two step, silicone elastomer) vs Traditional technique (redistributing pressure) and control technique (relatively mucostatic standard procedure)

Participant preference for dentures · Completely edentulous people
1 finding from 1 review

Alginate (two stage-two step final/wash impression) vs Silicone elastomer (two stage-two step)

Participant preference for dentures · 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 preference for dentures · Completely edentulous people
1 finding from 1 review

Tooth-supported removable partial denture: same impression material, different final-impression technique vs The same material with an alternative final-impression technique

Outcome not reported · Partially edentulous people requiring a removable partial denture

The review found no eligible studies for this question.

1 finding from 1 review

Tooth-supported removable partial denture: different impression material, same final-impression technique vs The same technique with an alternative final-impression material

Outcome not reported · Partially edentulous people requiring a removable partial denture

The review found no eligible studies for this question.

1 finding from 1 review

Tooth- and tissue-supported removable partial denture: dual-impression technique with a different material vs An alternative dual-impression technique with a different material

Outcome not reported · Partially edentulous people requiring a tooth- and tissue-supported (distal-extension) removable partial denture

The review found no eligible studies for this question.

1 finding from 1 review

Altered-cast impression technique (ACIP), polyether vs One-piece cast technique (OPC), polyether

Operator-assessed gingival health of abutment · Partially edentulous people requiring a tooth- and tissue-supported (distal-extension) removable partial denture

It is very uncertain whether altered-cast impression technique (ACIP), polyether changes operator-assessed gingival health of abutment compared with one-piece cast technique (OPC), polyether (very low certainty).

2 findings from 1 review

Altered-cast impression technique (ACIP), polyether vs One-piece cast technique (OPC), polyether

Denture base adaptation (buccal shelf and ridge crest) · Partially edentulous people requiring a tooth- and tissue-supported (distal-extension) removable partial denture

Altered-cast impression technique (ACIP), polyether led to lower denture base adaptation (buccal shelf and ridge crest) compared with one-piece cast technique (OPC), polyether; GRADE not reported.

1 finding from 1 review

Altered-cast impression technique (ACIP), polyether vs One-piece cast technique (OPC), polyether

Number of intaglio adjustments · Partially edentulous people requiring a tooth- and tissue-supported (distal-extension) removable partial denture

It is very uncertain whether altered-cast impression technique (ACIP), polyether changes number of intaglio adjustments compared with one-piece cast technique (OPC), polyether (very low certainty).

1 finding from 1 review

Alginate (two stage-two step final/wash impression) vs Silicone elastomer (two stage-two step)

Participant-reported quality of the denture (comfort, stability, chewing efficiency) · Completely edentulous people
1 finding from 1 review

Altered-cast impression technique (ACIP), polyether vs One-piece cast technique (OPC), polyether

Abutment mobility · Partially edentulous people requiring a tooth- and tissue-supported (distal-extension) removable partial denture

It is very uncertain whether altered-cast impression technique (ACIP), polyether changes abutment mobility compared with one-piece cast technique (OPC), polyether (very low certainty).

2 findings from 1 review

Alginate (two stage-two step final/wash impression) vs Silicone elastomer (two stage-two step)

Oral health-related quality of life · Completely edentulous people

Alginate (two stage-two step final/wash impression) may leads to higher participant-reported oral health-related quality of life… compared with silicone elastomer (two stage-two step) (low certainty).

1 finding from 1 review

Altered-cast impression technique (ACIP), polyether vs One-piece cast technique (OPC), polyether

Participant-reported quality of the denture (general satisfaction) · Partially edentulous people requiring a tooth- and tissue-supported (distal-extension) removable partial denture
1 finding from 1 review

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

Participant-reported quality of the denture (general satisfaction) · Completely edentulous people

It is very uncertain whether single-stage alginate impression (simplified method) changes participant-reported quality of the denture (general satisfaction) compared with two stage-two step zinc-oxide eugenol (ZoE) traditional method (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

Operator-assessed quality of the denture · Completely edentulous people
1 finding from 1 review

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

Participant-reported quality of the denture (general satisfaction) · Completely edentulous people

It is very uncertain whether single-stage alginate impression (simplified method) changes participant-reported quality of the denture (general 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 zinc-oxide eugenol (ZoE) traditional 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 zinc-oxide eugenol (ZoE) traditional method (very low certainty).

1 finding from 1 review