Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

51 questions · 58 findings · 6 reviews · Dental caries

No studies found 11 · 19%GRADE not reported 29 · 50%Very low 16 · 27.6%Low 1 · 1.7%Moderate 1 · 1.7%High 0 · 0%

Metal-free single crowns (full-contour zirconia) vs Cast gold (conventional metal) single crowns

Crown failure · Adults (18 years or older) needing a single crown in the molar or premolar region

It is very uncertain whether metal-free single crowns (full-contour zirconia) changes crown failure compared with cast gold (conventional metal) single crowns (very low certainty).

2 findings from 1 review

Metal-free single crowns (full-contour zirconia) vs Cast gold (conventional metal) single crowns

Crown complications · Adults (18 years or older) needing a single crown in the molar or premolar region

It is very uncertain whether metal-free single crowns (full-contour zirconia) changes crown complications compared with cast gold (conventional metal) single crowns (very low certainty).

2 findings from 1 review

Metal-free single crowns (full-contour zirconia) vs Cast gold (conventional metal) single crowns

Periodontal/peri-implant status and occlusal wear (secondary outcomes) · Adults (18 years or older) needing a single crown in the molar or premolar region

The review found no eligible studies for this question.

1 finding from 1 review

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Marginal bone level (first bone to implant contact, FBIC) · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

Metal-free implant-supported single crowns (zirconia veneered with… showed no clear difference in marginal bone level (first bone to implant contact, FBIC) compared with metal-ceramic implant-supported single crowns; GRADE not reported.

4 findings from 1 review
Show 1 more finding

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Patient satisfaction (measured by patient satisfaction or aesthetic scales) · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

It is very uncertain whether metal-free implant-supported single crowns (zirconia veneered with… changes aesthetic evaluation (patient satisfaction VAS) compared with metal-ceramic implant-supported single crowns (very low certainty).

2 findings from 1 review

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Aesthetics · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

It is very uncertain whether metal-free implant-supported single crowns (zirconia veneered with… changes aesthetic evaluation (pink and white aesthetic score, PES and WES… compared with metal-ceramic implant-supported single crowns (very low certainty).

1 finding from 1 review

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Implant crown failure · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown
1 finding from 1 review

Metal-free implant-supported single crowns (zirconia veneered with feldspathic ceramic) vs Metal-ceramic implant-supported single crowns

Implant crown complications · Adults (18 years or older) with one missing tooth in the aesthetic zone needing an implant-supported single crown

It is very uncertain whether metal-free implant-supported single crowns (zirconia veneered with… changes implant crown complications compared with metal-ceramic implant-supported single crowns (very low certainty).

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Cost of the intervention · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Patient satisfaction / quality of life (validated measure) · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Catastrophic failure of the restored tooth or restoration leading directly to extraction · People with a permanent tooth that has undergone endodontic (root canal) treatment
1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Periodontal health status · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Non-catastrophic failure of the post · People with a permanent tooth that has undergone endodontic (root canal) treatment

It is very uncertain whether single full-coverage metal-ceramic crown over composite core and post changes non-catastrophic failure of the post compared with direct adhesive composite restoration with post (conventional… (very low certainty).

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Incidence or recurrence of caries (assessed clinically or by radiographs) · People with a permanent tooth that has undergone endodontic (root canal) treatment

The review found no eligible studies for this question.

1 finding from 1 review

Single full-coverage metal-ceramic crown over composite core and post vs Direct adhesive composite restoration with post (conventional filling, no crown)

Non-catastrophic failure of the restoration (requiring further treatment) · People with a permanent tooth that has undergone endodontic (root canal) treatment

It is very uncertain whether single full-coverage metal-ceramic crown over composite core and post changes non-catastrophic failure of the restoration (requiring further… compared with direct adhesive composite restoration with post (conventional… (very low certainty).

1 finding from 1 review

Partial caries removal (single stage; residual dentinal caries sealed into the tooth definitively) vs Complete caries removal

Pulp exposure during caries removal · Patients with carious teeth, affecting any tooth surface(s), in unrestored primary and permanent teeth

Partial caries removal (single stage; residual dentinal caries… probably leads to lower pulp exposure during caries removal compared with complete caries removal (moderate certainty).

1 finding from 1 review

Partial caries removal (single stage; residual dentinal caries sealed into the tooth definitively) vs Complete caries removal

Restoration failure · Patients with carious teeth, affecting any tooth surface(s), in unrestored primary and permanent teeth

It is very uncertain whether partial caries removal (single stage; residual dentinal caries… changes failure of restorations compared with complete caries removal (very low certainty).

1 finding from 1 review

Partial caries removal (single stage; residual dentinal caries sealed into the tooth definitively) vs Complete caries removal

Signs or symptoms of pulpal disease · Patients with carious teeth, affecting any tooth surface(s), in unrestored primary and permanent teeth

Partial caries removal (single stage; residual dentinal caries… showed no clear difference in signs or symptoms of pulpal disease compared with complete caries removal (low certainty).

1 finding from 1 review

All fluorescence-based devices (red, blue, and green fluorescence combined) vs Reference standard (histology, excavation, or enhanced visual examination)

Diagnostic odds ratio (DOR) by subgroup: Single site per tooth (detection of early enamel caries, D1 threshold) · Asymptomatic children, adolescents, or adults presenting for clinical examination (in vivo studies), or extracted teeth of children or…
1 finding from 1 review