Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,227 questions · 2,562 findings · 156 reviews · Oral Health

No studies found 297 · 11.6%GRADE not reported 1,616 · 63.1%Very low 405 · 15.8%Low 144 · 5.6%Moderate 81 · 3.2%High 19 · 0.7%

Low periodontal-disease prevalence vs Not applicable

Oral health-related quality of life · people aged 60 years and older living in the community

No statistically significant difference in OHRQoL was reported by periodontal-disease prevalence.

1 finding from 1 review

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Probing pocket depth · Individuals assessed for periodontal health (mainly children and adolescents, age >2 years)

Persons with orofacial cleft have a greater probing pocket depth than healthy controls (MD 0.88, 95% CI 0.82 to 0.95; low certainty).

1 finding from 1 review

Cleft lip and/or palate (CL/P) vs Healthy controls without cleft

Plaque · Individuals assessed for periodontal health (mainly children and adolescents, age >2 years)

Persons with orofacial cleft have a higher plaque index than healthy controls (MD 0.29, 95% CI 0.24 to 0.34; low certainty).

1 finding from 1 review

Anorexia nervosa (as exposure; diagnosed by DSM-III/III-R/IV/V) vs Healthy controls

Salivary alpha-amylase · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general community-dwelling population

There is no significant difference in salivary alpha-amylase between anorexia nervosa patients and healthy controls (MD 6.32 U/l, 95% CI -6.14 to 18.79; low certainty).

1 finding from 1 review

Anorexia nervosa (as exposure; diagnosed by DSM-III/III-R/IV/V) vs Healthy controls

Salivary flow rate (unstimulated) · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general community-dwelling population

Anorexia nervosa probably reduces unstimulated salivary flow rate versus healthy controls (MD -0.27 ml/min, 95% CI -0.31 to -0.24; moderate certainty).

1 finding from 1 review

Anorexia nervosa (as exposure; diagnosed by DSM-III/III-R/IV/V) vs Healthy controls

Gingival (marginal) recession · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general community-dwelling population

Gingival (marginal) recession was significantly higher in anorexia nervosa patients than controls in both reporting studies, but was not pooled or graded (ungraded).

1 finding from 1 review

Anorexia nervosa (as exposure; diagnosed by DSM-III/III-R/IV/V) vs Healthy controls

Dental erosion · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general community-dwelling population

Dental erosion was more prevalent in anorexia nervosa patients than controls (low erosive-wear severity), but was not pooled or graded (ungraded).

1 finding from 1 review

Periodontitis vs No periodontitis (periodontal health or gingivitis)

Lacunar stroke · adults

Individuals with periodontitis had about five times higher odds of lacunar stroke than those without periodontitis (pooled OR 5.16); ungraded cross-sectional evidence, with the caution that the three studies came from one research team.

1 finding from 1 review

Anorexia nervosa (as exposure; diagnosed by DSM-III/III-R/IV/V) vs Healthy controls

Plaque · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general community-dwelling population

Anorexia nervosa patients tended to have higher plaque accumulation than healthy controls (significant in 2 of 3 studies), but results were not pooled or graded (ungraded).

1 finding from 1 review

High dental-caries prevalence vs Not applicable

Oral health-related quality of life · people aged 60 years and older living in the community

The review reported higher OHRQoL in the low than high dental-caries-prevalence category.

1 finding from 1 review

Anorexia nervosa (as exposure; diagnosed by DSM-III/III-R/IV/V) vs Healthy controls

Caries experience · Patients with anorexia nervosa aged >=12 years (mean age ~18.4; entirely female in reported data), general community-dwelling population

Anorexia nervosa is associated with significantly higher caries experience (DMFT) than healthy controls (MD 2.00 teeth, 95% CI 0.87 to 3.13; low certainty).

1 finding from 1 review

Slum / urban-disadvantaged setting vs Non-slum urban / general-urban / national population

Ever utilised dental services · Adult residents of slums and non-slum urban settings of LMICs

Ever-use of dental services is low-to-moderate (17%-71%) and generally lower in slum/rural groups; ungraded.

1 finding from 1 review

Slum / urban-disadvantaged setting vs Non-slum urban / general-urban / national population

Periodontal disease prevalence · Adult residents of slums and non-slum urban settings of LMICs

Periodontal disease prevalence is high (23%-99%) across LMIC urban/slum populations; ungraded.

1 finding from 1 review