Findings

What do systematic reviews say?

113 questions · 141 findings · 6 reviews · Esthetic dentistry

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No studies found 16 · 11.3%GRADE not reported 64 · 45.4%Very low 54 · 38.3%Low 7 · 5%Moderate 0 · 0%High 0 · 0%

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Thermal sensitivity · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) led to lower thermal sensitivity compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review

Potassium containing toothpastes for dentine hypersensitivity 2006 · Cochrane All outcomes
6 to 8 weeks
MD -1.10 [-1.64, -0.55]
1 study
GRADE not reported

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Subjective assessment of sensitivity · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) showed no clear difference in subjective assessment of sensitivity compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review

Potassium containing toothpastes for dentine hypersensitivity 2006 · Cochrane All outcomes
6 to 8 weeks
SMD -0.67 [-1.44, 0.10]
3 studies · 206 participants
GRADE not reported

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Air blast sensitivity · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) led to lower air blast sensitivity compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review

Potassium containing toothpastes for dentine hypersensitivity 2006 · Cochrane All outcomes
6 to 8 weeks
SMD -1.25 [-1.65, -0.85]
6 studies · 392 participants
GRADE not reported

Potassium containing toothpaste (5% potassium nitrate) vs Control toothpaste (without potassium)

Tactile sensitivity (method b, continuous probe) · Healthy human adults (18 years or more) with dentine hypersensitivity from exposed root surfaces

Potassium containing toothpaste (5% potassium nitrate) led to higher tactile sensitivity (method b, continuous probe) compared with control toothpaste (without potassium); GRADE not reported.

1 finding from 1 review

Potassium containing toothpastes for dentine hypersensitivity 2006 · Cochrane All outcomes
6 to 8 weeks
SMD 1.19 [0.79, 1.59]
5 studies · 356 participants
GRADE not reported

Direct resin composite veneer vs Indirect resin composite veneer

Adverse drug reactions · Patients with permanent anterior teeth with intrinsic staining suitable for laminate veneer restorations

The review found no eligible studies for this question.

1 finding from 1 review

Direct versus indirect veneer restorations for intrinsic dental stains 2004 · Cochrane All outcomes
Planned outcome; no adverse-reaction data were reported by the included trial.
0 studies
No studies found

Direct resin composite veneer vs Indirect resin composite veneer

Pain following treatment · Patients with permanent anterior teeth with intrinsic staining suitable for laminate veneer restorations

The review found no eligible studies for this question.

1 finding from 1 review

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

Restoration failure · Patients with permanent anterior teeth with intrinsic staining suitable for laminate veneer restorations

1 finding from 1 review

Direct versus indirect veneer restorations for intrinsic dental stains 2004 · Cochrane All outcomes
2 years
Meijering 1998 (data by restoration, not pooled; no statistical analysis possible). Failures over 2-year follow-up: direct resin composite (n=69) 4 absolute and 14 relative failures; indirect resin composite (n=54) 7…
1 study · 123 participants
GRADE not reported

Indirect veneer with no incisal edge reduction vs Indirect veneer with incisal edge reduction (1.5 mm plus short palatal bevel)

Restoration longevity · Patients receiving indirect laminate veneer restorations on permanent anterior teeth

1 finding from 1 review

Direct versus indirect veneer restorations for intrinsic dental stains 2004 · Cochrane All outcomes
2 years
Meijering 1998 (Table 3): survival percentages by preparation type at 2 years (original/functional/overall) - no incisal edge reduction 98/97/95; incisal reduction 95/90/87. No statistical comparison performed.
1 study
GRADE not reported

Direct resin composite veneer vs Indirect resin composite veneer

Costs · Patients with permanent anterior teeth with intrinsic staining suitable for laminate veneer restorations

The review found no eligible studies for this question.

1 finding from 1 review

Direct versus indirect veneer restorations for intrinsic dental stains 2004 · Cochrane All outcomes
Planned outcome; cost of treatment was not reported by the included trial.
0 studies
No studies found

Direct resin composite veneer vs Indirect resin composite veneer

Patient satisfaction · Patients with permanent anterior teeth with intrinsic staining suitable for laminate veneer restorations

1 finding from 1 review

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

Patient satisfaction · Patients with permanent anterior teeth with intrinsic staining suitable for laminate veneer restorations

1 finding from 1 review

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 Porcelain (indirect) veneer

Restoration failure · Patients with permanent anterior teeth with intrinsic staining suitable for laminate veneer restorations

1 finding from 1 review

Direct versus indirect veneer restorations for intrinsic dental stains 2004 · Cochrane All outcomes
2 years
Meijering 1998 (data by restoration, not pooled; no statistical analysis possible). Failures over 2-year follow-up: direct resin composite (n=69) 4 absolute and 14 relative failures; porcelain (n=56) 0 absolute and 3…
1 study · 125 participants
GRADE not reported

Direct resin composite veneer vs Indirect resin composite veneer

Colour match (aesthetic achievement) · Patients with permanent anterior teeth with intrinsic staining suitable for laminate veneer restorations

The review found no eligible studies for this question.

1 finding from 1 review

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