What do systematic reviews say?

Prefabricated metal post and core (Category II) vs Metal custom-cast post and core (Category I)

The review found no eligible studies for this question.

• Root canal posts for the restoration of root filled teeth 2007 · Cochrane All outcomes

  Minimum 6 months (planned)
  No included trial compared metal-cast posts with prefabricated metal posts (a planned primary comparison); no eligible study identified.
  0 studies
  No studies found

Metal post of one alloy type vs Metal post of a different alloy type

The review found no eligible studies for this question.

• Root canal posts for the restoration of root filled teeth 2007 · Cochrane All outcomes

  Minimum 6 months (planned)
  No included trial evaluated alloy type in metal posts (a planned secondary comparison); no eligible study identified.
  0 studies
  No studies found

Potassium nitrate/dimethyl isosorbide/polycarboxylate cement (KNO3/DMI/PCa) vs Potassium nitrate/polycarboxylate cement (KNO3/PCa)

• Pulp management for caries in adults: maintaining pulp vitality 2007 · Cochrane All outcomes

  24 months
  Hodosh 2003 (Analysis 3.1): all 18 patients receiving KNO3/DMI/PCa responded favourably (0/18 developed clinical symptoms) versus 9/17 in the KNO3/PCa group; symptomatic teeth required endodontic therapy or extraction.…
  1 study · 35 participants
  GRADE not reported

Cast post and core with a diaphragm vs Cast post and core without a diaphragm

The review found no eligible studies for this question.

• Root canal posts for the restoration of root filled teeth 2007 · Cochrane All outcomes

  Minimum 6 months (planned)
  No included trial evaluated the presence of a diaphragm in cast posts (a planned secondary comparison); no eligible study identified.
  0 studies
  No studies found

Potassium nitrate/dimethyl isosorbide/polycarboxylate cement (KNO3/DMI/PCa) vs Polycarboxylate cement (PCa) alone

• Pulp management for caries in adults: maintaining pulp vitality 2007 · Cochrane All outcomes

  24 months
  Hodosh 2003 (Analysis 3.1): all 18 patients receiving KNO3/DMI/PCa responded favourably (0/18 developed clinical symptoms) versus 10/12 in the PCa group. "The results in groups two and three were statistically…
  1 study · 30 participants
  GRADE not reported

Glycerrhetinic acid/antibiotic mixture vs Zinc oxide and eugenol (ZOE)

• Pulp management for caries in adults: maintaining pulp vitality 2007 · Cochrane All outcomes

  24 months
  Shovelton 1971 (Analysis 1.1): 275 teeth followed for 2 years (235 at 6 months, 160 at 12 months, 85 analysed at 24 months). Success rates 50% to 80%. Ledermix and calcium hydroxide had the highest success rates,…
  1 study · 275 participants
  GRADE not reported

Non-metal carbon-fibre post and core (Category III; Composipost) vs Metal custom-cast post and core (Category I)

Non-metal carbon-fibre post and core (Category III; Composipost) led to lower clinical/technical failure (root fracture) compared with metal custom-cast post and core (Category I; gold alloy); GRADE not reported.

• Root canal posts for the restoration of root filled teeth 2007 · Cochrane All outcomes

  48 months (4 years)
  RR 0.05 [0.00, 0.90]
  1 study · 195 participants
  GRADE not reported

Potassium nitrate/polycarboxylate cement (KNO3/PCa) vs Polycarboxylate cement (PCa) alone

• Pulp management for caries in adults: maintaining pulp vitality 2007 · Cochrane All outcomes

  24 months
  Hodosh 2003 (Analysis 3.1): 9/17 in the KNO3/PCa group and 10/12 in the PCa group developed clinical symptoms requiring endodontic therapy or extraction. No significance test reported for this specific contrast; no…
  1 study · 29 participants
  GRADE not reported

Direct resin composite veneer vs Indirect resin composite veneer

The review found no eligible studies for this question.

• Direct versus indirect veneer restorations for intrinsic dental stains 2004 · Cochrane All outcomes
  Planned outcome; pain following treatment was not reported by the included trial (earlier trial publications reported treatment times, not pain).
  0 studies
  No studies found

Direct resin composite veneer vs Indirect resin composite veneer

• Direct versus indirect veneer restorations for intrinsic dental stains 2004 · Cochrane All outcomes

  2 years
  Meijering 1998 (Table 4): patients satisfied at 2 years - direct resin composite 67%, indirect resin composite 82%. No statistical comparison performed.
  1 study
  GRADE not reported

Direct resin composite veneer vs Porcelain (indirect) veneer

• Direct versus indirect veneer restorations for intrinsic dental stains 2004 · Cochrane All outcomes

  2 years
  Meijering 1998 (Table 4): patients satisfied at 2 years - direct resin composite 67%, porcelain 93%. No statistical comparison performed.
  1 study
  GRADE not reported

Direct resin composite veneer vs Indirect resin composite veneer

The review found no eligible studies for this question.

• Direct versus indirect veneer restorations for intrinsic dental stains 2004 · Cochrane All outcomes
  Planned outcome; colour match was not reported by the single included trial (Meijering 1998).
  0 studies
  No studies found

Ceramic inlays (all types) vs Composite resin inlay

The review found no eligible studies for this question.

• Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes
  One randomised controlled trial (Gladys 1995) compared ceramic and resin composite inlays over 3 years, but it was excluded because the study design (parallel-group or split-mouth) was not clearly described; no…
  0 studies
  No studies found

Ceramic inlays (all types) vs Amalgam

The review found no eligible studies for this question.

• Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes
  No eligible randomised controlled trial comparing ceramic inlays with amalgam restorations was identified; this planned comparison could not be evaluated.
  0 studies
  No studies found

Ceramic inlays (all types) vs Gold inlay

The review found no eligible studies for this question.

• Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes
  Information on aesthetic satisfaction could not be obtained from this study as it did not use the tooth-coloured restorations as the control group.
  0 studies
  No studies found

Ceramic inlays (all types) vs Gold inlay

Ceramic inlays (all types) showed no clear difference in failure rate (longevity) at 5 years compared with gold inlay; GRADE not reported.

• Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes

  5 years
  OR 1.12 [0.08, 15.0]
  1 study · 20 participants
  GRADE not reported

Ceramic inlays (all types) vs Composite resin (direct restoration)

The review found no eligible studies for this question.

• Ceramic inlays for restoring posterior teeth 2003 · Cochrane All outcomes
  No eligible randomised controlled trial comparing ceramic inlays with composite resin (direct) restorations was identified; this planned comparison could not be evaluated.
  0 studies
  No studies found