Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

34 questions · 36 findings · 26 reviews

No studies found 14 · 38.9%GRADE not reported 6 · 16.7%Very low 6 · 16.7%Low 7 · 19.4%Moderate 0 · 0%High 3 · 8.3%

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

Younger children's age (3-5 years) vs Older children (>5 years)

Poor oral health-related quality of life (OHRQoL) · Children aged 3-12 years

Children aged 3 years had higher odds of poor OHRQoL than older children (OR 2.00, 95% CI 1.42-2.57; 2 studies; ungraded).

2 findings from 1 review

Flossing plus toothbrushing (self-performed; manual or automated floss) vs Toothbrushing alone

Quality of life · Dentate adults aged 16 years or older (excluding orthodontic patients and those with severe periodontal disease)

The review found no eligible studies for this question.

1 finding from 1 review

Visual screening (oral visual inspection) by trained health workers vs No screening

Quality of life · Apparently healthy adults aged 35 years or older (general population), living in 13 clusters in rural areas of Trivandrum city, Kerala,…

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Quality of life at 6 months Assessed by European Quality of Life‐15 · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in quality of life at 6 months Assessed by European Quality of Life‐15 (low certainty).

1 finding from 1 review

Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty)

Quality of life (validated questionnaire) · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic submucous cleft palate

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Quality of life at 6 months Assessed by 12‐Item Short Form Health Survey · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in quality of life at 6 months Assessed by 12‐Item Short Form Health… (low certainty).

1 finding from 1 review

Orthodontic treatment with appliances inducing stable, permanent orthodontic tooth movement (splints worn 8 to 12 weeks and surgical interventions excluded) vs Control: no treatment, placebo, or reassurance

Patient quality of life · Adults aged 18 years or older with clinically diagnosed TMD (exhibiting two or more of the listed signs and/or symptoms)

The review found no eligible studies for this question.

1 finding from 1 review

Summary of findings: Any alternative model of care vs usual care

Differences in quality of life ( · Nursing home residents (mean age 78.3 to 86.0 years; more than 66% women; 62.1% to 87.3% with dental prostheses)

Summary of findings: Any alternative model of care showed no clear difference in health‐related quality of life (mean difference) at longest compared with usual care (low certainty).

1 finding from 1 review