Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

821 questions · 993 findings · 80 reviews · Dental caries

No studies found 60 · 6%GRADE not reported 749 · 75.4%Very low 109 · 11%Low 41 · 4.1%Moderate 34 · 3.4%High 0 · 0%

Dental caries vs Caries-free controls

Oral health-related quality of life · Indian children aged 3-5 years

In children aged 3-5 years, early childhood caries was significantly associated with poorer OHRQoL (narrative; 3 studies); ungraded.

1 finding from 1 review

Higher family income / socioeconomic status vs Lower income / worse socioeconomic status

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

Higher family income / better socioeconomic status is associated with better OHRQoL in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

1 finding from 1 review
  • Oral-health-related quality of life in adolescents: umbrella review. 2023 All outcomes
    Community/school/clinic settings; adolescents 10-19 years; included reviews conducted in multiple countries
    Adolescents from families with higher incomes and higher levels of maternal education have better OHRQoL scores [34]. Worse oral health status, older age, female sex and worse socioeconomic status were significantly…
    Studies not reported
    GRADE not reported

Completed orthodontic treatment vs Untreated / never received orthodontic treatment

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

Completing orthodontic treatment is associated with improved OHRQoL in adolescents (narrative synthesis; included reviews report low-to-moderate certainty; no pooled estimate or GRADE rating by the umbrella review).

1 finding from 1 review
  • Oral-health-related quality of life in adolescents: umbrella review. 2023 All outcomes
    Community/school/clinic settings; adolescents 10-19 years; included reviews conducted in multiple countries
    Adolescents who had never received orthodontic treatment had a greater impact on quality of life compared to patients who had already completed treatment [34, 40, 44-46]. Orthodontic treatment during childhood or…
    Studies not reported
    GRADE not reported

Prosthetic need vs Individuals without prosthetic need

Oral health-related quality of life · Indian elderly and general-population adults

Prosthetic need was significantly associated with poorer OHRQoL in both included studies (moderate certainty).

3 findings from 1 review

Missing teeth / tooth loss vs No tooth loss

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

Tooth loss/edentulism is associated with worse OHRQoL in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

1 finding 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

Dental fluorosis (assessed by TFI or WHO criteria) vs Individuals without dental fluorosis

Oral health-related quality of life · Indian children and young adults

Two studies found dental fluorosis significantly associated with poorer OHRQoL; narrative, ungraded.

1 finding 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

Poor / irregular toothbrushing vs Toothbrushing alone

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

Irregular/poor toothbrushing is associated with worse OHRQoL in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

1 finding from 1 review
  • Oral-health-related quality of life in adolescents: umbrella review. 2023 All outcomes
    Community/school/clinic settings; adolescents 10-19 years; included reviews conducted in multiple countries
    The systematic review reports factors that physical disability, visual impairment, mental disorders, poor diet and irregular brushing negatively impact OHRQoL [36].
    Studies not reported
    GRADE not reported

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

Higher parental / maternal education vs Lower parental education (reference)

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

Higher parental education is associated with better OHRQoL in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

1 finding from 1 review
  • Oral-health-related quality of life in adolescents: umbrella review. 2023 All outcomes
    Community/school/clinic settings; adolescents 10-19 years; included reviews conducted in multiple countries
    Adolescents from families with higher incomes and higher levels of maternal education have better OHRQoL scores [34]. Children from families with high income, parental education and family economy had better OHRQoL [42].
    Studies not reported
    GRADE not reported

Malocclusion vs Absence/lower severity of malocclusion

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

Malocclusion is associated with worse oral health-related quality of life in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

1 finding from 1 review

Favorable family structure (being an only child; nuclear family) vs Having siblings / non-nuclear family structure

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

Being an only child and growing up in a nuclear family are associated with better OHRQoL in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

1 finding from 1 review
  • Oral-health-related quality of life in adolescents: umbrella review. 2023 All outcomes
    Community/school/clinic settings; adolescents 10-19 years; included reviews conducted in multiple countries
    Being an only child, growing up in your nuclear family or family structure, household conditions, and number of people per household and maternal age are predictors of better OHRQoL [43].
    Studies not reported
    GRADE not reported

Treatment of traumatic dental injury vs Untreated dental trauma

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

Treating traumatic dental injuries reduces their negative impact on OHRQoL in adolescents (narrative synthesis; included review reports low certainty; no pooled estimate or GRADE rating by the umbrella review).

1 finding from 1 review
  • Oral-health-related quality of life in adolescents: umbrella review. 2023 All outcomes
    Community/school/clinic settings; adolescents 10-19 years; included reviews conducted in multiple countries
    Treatment of TDI reduces the negative impact on OHRQoL in adolescents, based on parental perception [33]. Treatment of traumatic dental injuries reduces the impact on the OHRQoL with low evidence [46].
    Studies not reported
    GRADE not reported