Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

145 questions · 160 findings · 10 reviews · Oral Health · All outcomes

No studies found 27 · 16.9%GRADE not reported 63 · 39.4%Very low 63 · 39.4%Low 2 · 1.3%Moderate 1 · 0.6%High 4 · 2.5%

One active intervention (surgical, medical, or psychological) vs A different active intervention (direct head-to-head comparison)

Outcome not reported · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review

Medical interventions (systemic: analgesics, antidepressants, antiepileptics, steroids; topical: analgesics, anaesthetics) vs Another intervention, or no intervention

Outcome not reported · Patients of any age in any setting requiring intervention for iatrogenic injury to the inferior alveolar or lingual nerve

The review found no eligible studies for this question.

1 finding from 1 review

Strategies to integrate oral health into primary care (e.g., training/education of non-dental primary care professionals, policy/financing and health-insurance changes, colocation of dental and medical services, interprofessional and community-health-worker collaboration, teledentistry, integrated oral health assessment tools, school-based activities) vs No integration / usual care (or pre-integration baseline; many included studies uncontrolled)

Access to oral healthcare (referral pathways, documentation processes, operating efficiencies, staffing, visits for oral health issues, uptake of fluoride varnish/other preventive treatment, and visits to an oral health professional) · People of all ages and abilities served through primary care and related settings (children, pregnant women, older adults in…

Most strategies to integrate oral health into primary care were associated with improved access to oral healthcare (19 studies, narrative synthesis; ungraded).

1 finding from 1 review
  • Strategies to integrate oral health into primary care: a systematic review. 2023 All outcomes
    Primary care, community, school, and aged-care/residential/nursing-home settings
    Access to oral healthcare was the primary outcome most studied (n=19). Most studies reported results favouring the integration strategy, including improvements in referral pathways, documentation processes, operating…
    19 studies
    GRADE not reported

Strategies to integrate oral health into primary care (e.g., training/education of non-dental primary care professionals, policy/financing and health-insurance changes, colocation of dental and medical services, interprofessional and community-health-worker collaboration, teledentistry, integrated oral health assessment tools, school-based activities) vs No integration / usual care (or pre-integration baseline; many included studies uncontrolled)

Knowledge, attitudes and perceptions of staff and patients regarding oral health · People of all ages and abilities served through primary care and related settings (children, pregnant women, older adults in…

Integration strategies were generally associated with positive oral health knowledge, attitudes and perceptions among staff and patients (16 studies, narrative synthesis; ungraded).

1 finding from 1 review
  • Strategies to integrate oral health into primary care: a systematic review. 2023 All outcomes
    Primary care, community, school, and aged-care/residential/nursing-home settings
    Knowledge/attitudes/perceptions of staff and patients was the second most studied outcome (n=16). Patient and staff perceptions on various aspects of the integration strategy were usually reported as positive.…
    16 studies
    GRADE not reported

Strategies to integrate oral health into primary care (e.g., training/education of non-dental primary care professionals, policy/financing and health-insurance changes, colocation of dental and medical services, interprofessional and community-health-worker collaboration, teledentistry, integrated oral health assessment tools, school-based activities) vs No integration / usual care (or pre-integration baseline; many included studies uncontrolled)

Barriers and facilitators to implementation of the integration strategy (qualitative) · People of all ages and abilities served through primary care and related settings (children, pregnant women, older adults in…

Key barriers to implementing integration strategies were time/staff/resource constraints and lack of organisational support, while facilitators were professionals' knowledge and attitudes and supportive governance/leadership (qualitative; ungraded).

1 finding from 1 review
  • Strategies to integrate oral health into primary care: a systematic review. 2023 All outcomes
    Primary care, community, school, and aged-care/residential/nursing-home settings
    The most commonly studied qualitative outcomes were barriers and facilitators related to the strategy implementation process. Reported barriers were time and staff constraints, resource limitations and lack of…
    15 studies
    GRADE not reported

Strategies to integrate oral health into primary care (e.g., training/education of non-dental primary care professionals, policy/financing and health-insurance changes, colocation of dental and medical services, interprofessional and community-health-worker collaboration, teledentistry, integrated oral health assessment tools, school-based activities) vs No integration / usual care (or pre-integration baseline; many included studies uncontrolled)

Oral disease outcomes, including dental caries estimates · People of all ages and abilities served through primary care and related settings (children, pregnant women, older adults in…

Most studies reported improved oral disease outcomes with integration strategies (8 of 9 studies improved, 1 no change; 9 studies, narrative synthesis; ungraded).

1 finding from 1 review
  • Strategies to integrate oral health into primary care: a systematic review. 2023 All outcomes
    Primary care, community, school, and aged-care/residential/nursing-home settings
    Nine studies reported oral disease outcomes, seven of which measured change in dental caries estimates. Eight of the nine studies reported improved oral disease outcomes; one (Vichayanrat 2012) reported no change in…
    9 studies
    GRADE not reported

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs usual care

Service use: Emergency medical/dental treatment · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

The review found no eligible studies for this question.

1 finding from 1 review

Monitoring (any means of observation, supervision, keeping under review, measuring or testing at intervals) vs No monitoring

Service use: Emergency medical/dental treatment · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

The review found no eligible studies for this question.

1 finding from 1 review

Motivational interview plus oral health education vs Oral health education

Service use: Emergency medical/dental treatment · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

The review found no eligible studies for this question.

1 finding from 1 review

Gum chewing (sugar-free) vs No chewing gum

Self-reported thirst · Elderly (>60 years) and medically compromised adults with xerostomia / dry mouth

Gum chewing reduced self-reported thirst in most studies (6 of 7 positive, 1 no effect); not meta-analyzed.

1 finding from 1 review

Gum chewing (sugar-free) vs No chewing gum

Salivary flow rate · Elderly (>60 years) and medically compromised adults with xerostomia / dry mouth

Across 19 studies the effect of gum chewing on stimulated and/or unstimulated salivary flow rate was mixed (9 positive, 10 no effect); this broad outcome was not meta-analyzed.

1 finding from 1 review

Gum chewing (sugar-free) vs Within-subject before/after comparison of soft gum vs hard gum (no no-gum control)

Oral mucosal moisture · Elderly (>60 years) and medically compromised adults with xerostomia / dry mouth

One small study found that chewing hard (but not soft) gum increased oral mucosal moisture.

1 finding from 1 review

Daily chewing gum for 2 weeks or longer vs No gum chewing or control

Salivary flow rate (unstimulated) · Elderly (>60 years) and medically compromised adults with xerostomia / dry mouth

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1 finding from 1 review

Gum chewing (sugar-free) vs No chewing gum

Salivary flow rate (unstimulated) · Elderly (>60 years) and medically compromised adults with xerostomia / dry mouth

In elderly and medically compromised people with xerostomia, chewing sugar-free gum daily for two or more weeks produces a small but statistically significant increase in unstimulated whole salivary flow rate versus no gum (SMD 0.44, 95% CI 0.22 to 0.66); certainty of evidence was not formally graded.

1 finding from 1 review

Gum chewing (sugar-free) vs No chewing gum

Dry mouth (xerostomia) · Elderly (>60 years) and medically compromised adults with xerostomia / dry mouth

Gum chewing was linked with improved self-reported xerostomia / dry mouth in most studies (12 of 17 positive, 5 no effect); heterogeneous instruments precluded meta-analysis.

1 finding from 1 review

Placebo rinse vs Pre-treatment (baseline, same group)

Lactobacillus count (pre- vs post-treatment) · Medically healthy individuals (adults and children, 6-60 years)

Placebo rinse did not significantly change Lactobacillus counts relative to baseline; not GRADE-rated.

1 finding from 1 review

Salvadora persica (miswak) mouthrinse vs Pre-treatment (baseline, same group)

Lactobacillus count (pre- vs post-treatment) · Medically healthy individuals (adults and children, 6-60 years)

Salvadora persica rinse reduced Lactobacillus counts relative to baseline; not GRADE-rated.

1 finding from 1 review

Salvadora persica (miswak) mouthrinse vs Chlorhexidine mouthrinse

Plaque · Medically healthy individuals (adults and children, 6-60 years)

When usual mechanical plaque control continued, Salvadora persica and chlorhexidine did not differ significantly for plaque; not GRADE-rated.

8 findings from 1 review
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Salvadora persica (miswak) mouthrinse vs Chlorhexidine 0.2% mouthrinse

Plaque · Medically healthy individuals (adults and children, 6-60 years)

Salvadora persica was less effective than 0.2% chlorhexidine at reducing plaque (favours chlorhexidine); not GRADE-rated.

1 finding from 1 review

Salvadora persica (miswak) mouthrinse vs Placebo rinse

Lactobacillus count (CFU/mL) · Medically healthy individuals (adults and children, 6-60 years)

Salvadora persica rinse reduced Lactobacillus counts more than placebo (favours Salvadora persica); not GRADE-rated.

1 finding from 1 review