Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

624 questions · 782 findings · 62 reviews

No studies found 13 · 1.7%GRADE not reported 657 · 84%Very low 76 · 9.7%Low 23 · 2.9%Moderate 13 · 1.7%High 0 · 0%

Safe housing / favorable household conditions vs Unsafe housing / poor household conditions

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

Safe housing and favorable household conditions 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
    having parents who can provide dental care and safe housing are positive predictors for OHRQoL. Socioeconomic factors related to the area of residence, satisfaction with oral health and dental care were shown to be…
    Studies not reported
    GRADE not reported

Malocclusion vs No malocclusion

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

One GOHAI study found no significant difference in OHRQoL by malocclusion status; ungraded.

3 findings from 1 review

Bruxism vs No bruxism

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

Two studies found bruxers have poorer OHRQoL than non-bruxers; narrative, ungraded.

1 finding from 1 review

Dental (tooth) agenesis vs No dental agenesis

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

The umbrella review reported insufficient scientific evidence to support an association between dental agenesis and oral health-related quality of life.

2 findings from 1 review

Traumatic dental injury (dental trauma) vs No dental trauma

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

Complicated traumatic dental injuries (pulp exposure or tooth darkening) worsen OHRQoL in adolescents, while uncomplicated injuries show little impact (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 impact of dental trauma sequelae on OHRQoL in adolescents was observed in five systematic reviews [31-35]. The studies show that uncomplicated traumatic injuries do not have a negative impact on the OHRQoL of…
    5 studies
    GRADE not reported

Dental caries vs Caries-free controls

Oral health-related quality of life · Indians

In adolescents (10-19 years), dental caries was associated with poorer OHRQoL (pooled OR 3.92; 5 studies); ungraded.

5 findings from 1 review
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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

Operative treatment of dental caries lesions vs No caries treatment

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

Operative treatment of caries lesions has a positive effect on OHRQoL in adolescents, though the included evidence was of low quality (narrative synthesis; 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
    the operative treatment of caries lesions has a positive effect on OHRQoL, despite the low quality of evidence [9]. There is low evidence that the OHRQoL of children and adolescents improved following caries…
    Studies not reported
    GRADE not reported

Periodontal disease assessed by loss of attachment (LOA / clinical attachment loss) vs Individuals without periodontal disease (by LOA)

Oral health-related quality of life · Indian adults and elderly (general, police, teachers, institutionalised)

No difference in OHRQoL was seen between groups for periodontal disease by LOA on OHIP-14/OIDP (pooled SMD -0.04, CI includes 0); ungraded.

3 findings from 1 review

Periodontal disease (severe periodontitis) vs Individuals without periodontal disease (by LOA)

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

Severe periodontal disease is associated with worse OHRQoL in adolescents (narrative synthesis; no pooled estimate or GRADE rating).

1 finding from 1 review

Periodontal disease assessed by Community Periodontal Index (CPI) vs Individuals without periodontal disease (by CPI)

Oral health-related quality of life · Indian adults and elderly (general, police, teachers, institutionalised)

Evidence on periodontal disease (CPI) and OHRQoL is inconsistent across studies (very low certainty).

3 findings from 1 review

Gingivitis (assessed by gingival index or WHO criteria) vs Individuals without gingivitis

Oral health-related quality of life · Indians

Continuous analyses (GOHAI, OHIP-14) of gingivitis and OHRQoL were inconsistent and mostly non-significant; ungraded.

2 findings from 1 review