Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,241 questions · 3,336 findings · 1,340 reviews

No studies found 1,581 · 47.4%GRADE not reported 352 · 10.6%Very low 512 · 15.3%Low 509 · 15.3%Moderate 316 · 9.5%High 66 · 2%

Oral-health promotion programs (OHPPs): community-based oral-health education/training, supervised toothbrushing with fluoride toothpaste and topical fluoride, dental screening, and dietary advice vs No oral health promotion program

Oral health-related quality of life · Adolescents (10-19 years)

Oral health promotion programs have a positive effect on OHRQoL in adolescents (narrative synthesis; low methodological quality of included evidence; no pooled estimate or GRADE rating).

2 findings from 1 review

Older age vs Younger adults (population mean age <=33.4 years)

Oral health-related quality of life · Adolescents (10-19 years)

The abstract reports older age is associated with worse OHRQoL, but the body notes the evidence on age is limited and conflicting (narrative synthesis; no pooled estimate or GRADE rating).

2 findings from 1 review

Female sex vs Male sex

Oral health-related quality of life · Adolescents (10-19 years)

The abstract reports female sex is associated with worse OHRQoL, but the conclusion states the impact of gender was not clarified (narrative synthesis; no pooled estimate or GRADE rating).

2 findings from 1 review

Bruxism vs No bruxism

Oral health-related quality of life · Adolescents (10-19 years)

Bruxism was not shown to impact OHRQoL in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

2 findings from 1 review

Dental erosion vs No dental erosion

Oral health-related quality of life · Adolescents (10-19 years)

The umbrella review reported that dental erosion has not been shown to affect oral health-related quality of life.

2 findings from 1 review

Favorable socioeconomic and family environment vs Less favorable socioeconomic and family environment

Oral health-related quality of life · Adolescents (10-19 years)

The umbrella review reported better oral health-related quality of life with favorable housing, parental education, income, family environment, and access to dental care.

1 finding from 1 review

Intervention not reported

Mean vision‐related quality of life · people with type 2 diabetes

The review found no eligible studies for this question.

1 finding from 1 review

Temporomandibular disorder vs No temporomandibular disorder

Oral health-related quality of life · Adolescents (10-19 years)

Temporomandibular disorder is associated with worse OHRQoL in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

2 findings from 1 review