Restoration failure · Children with carious primary teeth after vital or non-vital pulp therapy
In one RCT, preformed metal crowns had an annual failure rate of 2.5% after 2 years.
1 finding from 1 review
Treatment failure (annual failure rate) · Children with Class-I carious lesions in primary molars, no pulp therapy
A beveled margin lowered composite resin failure (1.8% vs 3.5% annual failure) in one RCT; low quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (annual failure rate) · Children with carious primary teeth treated by atraumatic restorative treatment (hand-instrument caries removal), no pulp therapy
ART restorations (mainly GIC) had a wide annual failure rate (1.2-37.1%) across 10 RCTs, with technique affecting survival; low to unclear quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (annual failure rate) · Children with carious primary molars treated by pulpotomy (vital pulp therapy)
Preformed metal crowns had a low annual failure rate (2.5%) in primary molars after pulpotomy, but the evidence is of low quality (single high-risk-of-bias split-mouth RCT; not GRADE-rated).
2 findings from 1 review
Treatment failure (annual failure rate) · Children (aged 5-8 years) with Class-II caries in primary molars, no pulp therapy
Etching dentine for 7 s rather than 15 s lowered bulk-fill composite failure (5.8% vs 16.9% annual failure) in one RCT; low quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (annual failure rate) · Children (aged 3-5.5 years) with early childhood caries in anterior primary teeth (>=2 carious surfaces), no pulp therapy
Zirconia crowns failed less than composite strip crowns (3.3% vs 15% annual failure) in one RCT; low quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (planned; no eligible studies) · Children with carious primary teeth after vital or non-vital pulp therapy
No eligible studies were found evaluating bio-active restorative materials for restoring carious primary teeth after pulp therapy.
1 finding from 1 review
Treatment failure (annual failure rate) · Children with previously unrestored, vital carious lesions in primary teeth (no pulp therapy); aged 1.5-11 years
Metal-reinforced GIC had a high annual failure rate (29.9%) in a single RCT; low quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (annual failure rate) · Children with previously unrestored, vital carious lesions in primary teeth (no pulp therapy); aged 1.5-11 years
Compomer had an annual failure rate of 0-14.7% (7 RCTs), comparable to amalgam/RMGIC/composite and better than high-viscosity GIC; low quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (annual failure rate) · Children with previously unrestored, vital carious lesions in primary teeth (no pulp therapy); aged 1.5-11 years
Conventional GIC had an annual failure rate of 7.6-16.6% (2 RCTs) and failed more than amalgam in one trial; low quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (annual failure rate) by cavity class · Children with carious primary teeth restored in Class-I versus Class-II cavities, no pulp therapy
Class-II restorations failed more than Class-I (annual failure 5-28.9% vs 1.2-14.7% in ART studies); low quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (annual failure rate) · Children (aged 3-8 years) with 2-surface occluso-proximal dentine caries in primary molars, no pulp therapy
Preformed metal (Hall) crowns had a low reported annual failure rate (3.1%) versus compomer (14.7%) in one RCT; low quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (annual failure rate) · Children with previously unrestored, vital carious lesions in primary teeth (no pulp therapy); aged 1.5-11 years
Composite resin (hybrid 0-19.5%; bulk-fill 0-16.9%) performed comparably to or better than most alternatives across 11 RCTs; evidence is of low to unclear quality (ungraded).
1 finding from 1 review
Not applicable (no eligible studies) · Children with carious primary teeth (no pulp therapy)
No eligible RCTs assessed new bio-active restorative materials in carious primary teeth; this is an evidence gap identified by the review.
1 finding from 1 review
Treatment failure (annual failure rate) · Children with previously unrestored, vital carious lesions in primary teeth (no pulp therapy); aged 1.5-11 years
Glass carbomer had very high failure rates (up to 46.2%) in a single RCT, far worse than composite resin or RMGIC; low quality of evidence (ungraded).
1 finding from 1 review
Treatment failure (annual failure rate) · Children with carious primary molars treated by pulpotomy (vital pulp therapy)
Preformed metal crowns had a low annual failure rate (2.4%) in primary molars after pulpotomy, lower than amalgam in the same trial (single high-risk-of-bias RCT; low quality of evidence; not GRADE-rated).
2 findings from 1 review
Overall success (composite of clinical and radiographic success) · Immature (young) permanent teeth with open apex and vital pulp exposed to dental caries or trauma, in children aged 6-14 years
A single RCT found higher pulpotomy success with triple antibiotic paste than abscess remedy (100% vs 80%; statistically significant, P<0.05; not pooled; ungraded).
1 finding from 1 review
Single RCT (Eppa 2018, 3-arm; 20 TAP and 20 AR teeth): TAP 100% (20/20) vs abscess remedy 80% (16/20) clinical and radiographic success; difference statistically significant at 3, 6, 9, 12, 18 and 24 months (P<0.05);…
1 study · 40 participants
GRADE not reported
Restoration longevity · Patients with deep caries lesions in mature or immature permanent (posterior) teeth, with no symptoms or reversible pulpitis
Cavity liners may make little or no difference to restoration longevity (high success across groups; low certainty).
1 finding from 1 review
Fracture · general population
Non-linear positive dose-response: little change in overall fracture risk below ~1.5 mg/L drinking-water fluoride, with risk increasing above that threshold (RR 1.06, 1.19, 1.35 at 2.0, 3.0, 4.0 mg/L vs null); ungraded (4 studies).
4 findings from 1 review
The association of fluoride exposure with bone density and fracture risk: a dose-response meta-analysis. 2025 All outcomesLong-term / lifetime fluoride exposure · General population; 37 observational studies (1944-2024), predominantly North America (USA, Canada) and Northern Europe (Finland, Sweden), plus UK, Poland, Italy, Germany, China, Taiwan, South Korea, Ethiopia; exposure mainly community drinking-water fluoride · Drinking-water fluoride 1.2 mg/L vs null
RR 1.00 [0.80, 1.24]
4 studies
GRADE not reported
The association of fluoride exposure with bone density and fracture risk: a dose-response meta-analysis. 2025 All outcomesLong-term / lifetime fluoride exposure · General population; 37 observational studies (1944-2024), predominantly North America (USA, Canada) and Northern Europe (Finland, Sweden), plus UK, Poland, Italy, Germany, China, Taiwan, South Korea, Ethiopia; exposure mainly community drinking-water fluoride · Drinking-water fluoride 4.0 mg/L vs null
RR 1.35 [0.94, 1.95]
4 studies
GRADE not reported
The association of fluoride exposure with bone density and fracture risk: a dose-response meta-analysis. 2025 All outcomesLong-term / lifetime fluoride exposure · General population; 37 observational studies (1944-2024), predominantly North America (USA, Canada) and Northern Europe (Finland, Sweden), plus UK, Poland, Italy, Germany, China, Taiwan, South Korea, Ethiopia; exposure mainly community drinking-water fluoride · Drinking-water fluoride 3.0 mg/L vs null
RR 1.19 [0.87, 1.64]
4 studies
GRADE not reported
Show 1 more finding
The association of fluoride exposure with bone density and fracture risk: a dose-response meta-analysis. 2025 All outcomesLong-term / lifetime fluoride exposure · General population; 37 observational studies (1944-2024), predominantly North America (USA, Canada) and Northern Europe (Finland, Sweden), plus UK, Poland, Italy, Germany, China, Taiwan, South Korea, Ethiopia; exposure mainly community drinking-water fluoride · Drinking-water fluoride 2.0 mg/L vs null
RR 1.06 [0.80, 1.41]
4 studies
GRADE not reported
Percentage of bleeding on probing (BOP) · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general community-dwelling population
Anorexia nervosa is associated with significantly increased bleeding on probing versus healthy controls (MD 16.57%, 95% CI 12.89 to 20.25; low certainty).
1 finding from 1 review