Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

828 questions · 1,007 findings · 63 reviews · Oral Health

No studies found 110 · 10.9%GRADE not reported 709 · 70.4%Very low 84 · 8.3%Low 70 · 7%Moderate 33 · 3.3%High 1 · 0.1%

Sealing using sealant materials vs no treatment

Failure of therapy · Children and/or adults with permanent or primary teeth, vital (sensitive) pulps, and cavitated or dentine carious lesions conventionally…

It is very uncertain whether sealing using sealant materials changes failure of therapy compared with no treatment (very low certainty).

1 finding from 1 review

Resin-based fissure sealant vs Fluoride varnish

Safety of sealants and fluoride varnishes (adverse events) · Children and adolescents (general population, aged under 20 years)
1 finding from 1 review

Resin-based fissure sealant vs Fluoride varnish

Time taken to apply pit and fissure sealant or fluoride varnish · Children and adolescents (general population, aged under 20 years)

The review found no eligible studies for this question.

1 finding from 1 review

Resin-modified glass ionomer fissure sealant vs Fluoride varnish

Progression of dentinal carious lesions into enamel or dentine · Children and adolescents (general population, aged under 20 years)

Resin-modified glass ionomer fissure sealant showed no clear difference in progression of dentinal carious lesions into enamel or dentine compared with fluoride varnish; GRADE not reported.

1 finding from 1 review

Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet

Dental erosion · General population (children and adults) assessed for dental hard-tissue health

Among adults and excluding the outlier study, vegetarian diet was associated with higher odds of dental erosion with no heterogeneity (OR 2.56, 95% CI 1.77 to 3.71; ungraded).

4 findings from 1 review
Show 1 more finding

Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet

Noncarious/cervical lesions and tooth wear (measures other than pooled dental erosion) · General population (children and adults) assessed for dental hard-tissue health

Beyond dental erosion, vegetarians tended to have a higher prevalence of other NCCL and tooth wear than nonvegetarians, reported narratively (ungraded).

1 finding from 1 review
  • Vegetarian diet and its possible influence on dental health: A systematic literature review. 2020 All outcomes
    Multiple countries (mostly India; also Finland and other European countries, Brazil, Trinidad and Tobago); community and clinical settings
    Eleven studies reported on NCCL using six definitions (presence of NCCL, presence of dental erosion, presence and severity of tooth wear, dental abrasion, cervical buccal defects); the six reporting presence of dental…
    Studies not reported
    GRADE not reported

Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet

Number of natural teeth (missing/present teeth, edentulousness, MT component of DMFT) · General population (children and adults) assessed for dental hard-tissue health

Evidence on the number of natural teeth was conflicting and could not be pooled (ungraded).

1 finding from 1 review
  • Vegetarian diet and its possible influence on dental health: A systematic literature review. 2020 All outcomes
    Multiple countries (mostly India; also Finland and other European countries, Brazil, Trinidad and Tobago); community and clinical settings
    Seven studies reported on the number of teeth with conflicting findings; meta-analysis was not possible due to inconsistent outcome definitions. One study found vegetarians had significantly more teeth; two found no…
    7 studies
    GRADE not reported

Resin-based fissure sealant plus fluoride varnish vs Fluoride varnish

Number of visits to the dentist for repair of sealant or fluoride varnish application · Children and adolescents (general population, aged under 20 years)

The review found no eligible studies for this question.

1 finding from 1 review

Resin-based fissure sealant plus fluoride varnish vs Fluoride varnish

Progression of dentinal carious lesions into enamel or dentine · Children and adolescents (general population, aged under 20 years)

The review found no eligible studies for this question.

1 finding from 1 review

Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet

Caries experience (mean DMFT) · General population (children and adults) assessed for dental hard-tissue health

Among adults, the lower DMFT score in vegetarians was smaller and not statistically significant (mean difference -0.09, 95% CI -0.32 to 0.13; ungraded).

2 findings from 1 review

Resin-based fissure sealant plus fluoride varnish vs Fluoride varnish

Time taken to apply pit and fissure sealant or fluoride varnish · Children and adolescents (general population, aged under 20 years)
1 finding from 1 review

Resin-based fissure sealant plus fluoride varnish vs Fluoride varnish

Changes in decayed, missing and filled (DMF) figures at whole-mouth level · Children and adolescents (general population, aged under 20 years)
1 finding from 1 review

Vegetarian diet (any diet excluding all meat, poultry and fish) vs Nonvegetarian diet

Dental caries measures other than pooled DMFT (DMFS, decayed/filled surfaces and teeth, root caries, nonvisible lesions, white spots) · General population (children and adults) assessed for dental hard-tissue health

Evidence on other dental-caries measures was inconsistent: some indices (decayed surfaces/teeth, root caries, white spots) were higher in vegetarians while some studies found lower caries in vegetarian children (ungraded).

1 finding from 1 review
  • Vegetarian diet and its possible influence on dental health: A systematic literature review. 2020 All outcomes
    Multiple countries (mostly India; also Finland and other European countries, Brazil, Trinidad and Tobago); community and clinical settings
    Eleven studies reported dental caries using 11 definitions; four (DMFT) were meta-analysed (see O2). Narrative findings were inconsistent: DMFS results were mixed; decayed surfaces and decayed teeth and percentages of…
    Studies not reported
    GRADE not reported

Resin-based fissure sealant (visible-light-polymerized) vs Fluoride varnish

Incidence of dentinal carious lesion on treated occlusal surfaces of molars or premolars (yes/no) · Children and adolescents (general population, aged under 20 years)

It is very uncertain whether resin-based fissure sealant (visible-light-polymerized) changes incidence of dentinal carious lesion on treated occlusal surfaces of… compared with fluoride varnish (very low certainty).

2 findings from 1 review

Resin-modified glass ionomer fissure sealant plus oral health education vs Fluoride varnish plus oral health education

Change in DMF increment on occlusal surfaces of first permanent molars · Children and adolescents (general population, aged under 20 years)

Resin-modified glass ionomer fissure sealant plus oral health… showed no clear difference in change in DMF increment on occlusal surfaces of first permanent molars compared with fluoride varnish plus oral health education; GRADE not reported.

2 findings from 1 review

Resin-based fissure sealant vs Fluoride varnish

Change in DMFT (decayed, missing and filled permanent teeth) increment · Children and adolescents (general population, aged under 20 years)

Resin-based fissure sealant led to lower change in DMFT (decayed, missing and filled permanent teeth) increment compared with fluoride varnish; GRADE not reported.

1 finding from 1 review

Resin-based fissure sealant vs Fluoride varnish

Number of visits to the dentist for repair of sealant or fluoride varnish application · Children and adolescents (general population, aged under 20 years)

Resin-based fissure sealant led to higher number of visits to the dentist for repair of sealant or fluoride… compared with fluoride varnish; GRADE not reported.

1 finding from 1 review

Glass ionomer or resin-modified glass ionomer fissure sealant vs Fluoride varnish

Dentine caries in permanent molars (24 months) · Children and adolescents (general population, aged under 20 years)
1 finding from 1 review

Resin-based fissure sealant plus fluoride varnish vs Fluoride varnish

Dentine caries in permanent molars (24 months) · Children and adolescents (general population, aged under 20 years)

It is very uncertain whether resin-based fissure sealant plus fluoride varnish changes dentine caries in permanent molars (yes/no) compared with fluoride varnish alone (very low certainty).

1 finding from 1 review

Resin-based fissure sealant vs Fluoride varnish

Change in DMFS (decayed, missing and filled permanent surfaces) increment · Children and adolescents (general population, aged under 20 years)

Resin-based fissure sealant led to lower change in DMFS (decayed, missing and filled permanent surfaces)… compared with fluoride varnish; GRADE not reported.

1 finding from 1 review