Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

117 questions · 153 findings · 22 reviews · Oral Health

No studies found 22 · 14.4%GRADE not reported 105 · 68.6%Very low 14 · 9.2%Low 2 · 1.3%Moderate 5 · 3.3%High 5 · 3.3%

Surgical removal (extraction) of asymptomatic disease-free impacted wisdom teeth vs Retention (conservative management) of asymptomatic disease-free impacted wisdom teeth

Health‐related quality of life · Adolescents or adults with asymptomatic disease-free impacted wisdom teeth

The review found no eligible studies for this question.

1 finding from 1 review

Zinc vs placebo

Health‐related quality of life · Patients with taste disturbances (dysgeusia/hypogeusia; idiopathic, zinc-deficient, or secondary to chronic renal failure)
1 finding from 1 review
  • Interventions for managing taste disturbances 2017 · Cochrane All outcomes
    Results (health-related quality of life): None of the studies reported data on health-related quality of life. Heckmann 2005 (zinc) reported that signs of depression were less severe (Beck Depression Inventory P<0.05;…
    1 study
    GRADE not reported

Acupuncture vs sham control

Health‐related quality of life · Patients with idiopathic dysgeusia and hypogeusia
1 finding from 1 review
  • Interventions for managing taste disturbances 2017 · Cochrane All outcomes
    Results (health-related quality of life): Brandt 2008 assessed HRQoL in dysgeusia patients and reported significant improvement in psychological symptoms in the acupuncture group and increased quality of life in both…
    1 study
    GRADE not reported

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

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

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