What do systematic reviews say?

Oral health · Nursing home residents (mean age 78.3 to 86.0 years; more than 66% women; 62.1% to 87.3% with dental prostheses)

Intraoperative pain · Children and adolescents aged up to 17 years having dental treatment (orthodontic treatment, fillings, pulp treatment, or tooth…

Alteration of growth pattern (cephalometric data or facial analysis) · Children with obstructive sleep apnoea (aged 15 years or younger)

Adverse effects of the interventions · Nursing home residents (mean age 78.3 to 86.0 years; more than 66% women; 62.1% to 87.3% with dental prostheses)

Adverse events: Clinically important specific adverse events · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

Adverse effects of pain treatment · Adults undergoing orthodontic treatment

Improvement in nutritional intake · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people with cancer and…

Healing of osteonecrosis - improvement ('healed' or 'improved' vs 'unchanged' or 'worse') · People of any age and either sex, in any setting, with BRONJ; bisphosphonate exposure past or current; includes people with cancer and…

Change of the arch perimeter (plaster models) · Children with obstructive sleep apnoea (aged 15 years or younger)

Dental state: No clinically important change in plaque index · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

Adverse effects of pain treatment · Adolescents/teenagers undergoing orthodontic treatment

QoL · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

Change in feeling of dryness · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

Costs · Children and adolescents aged up to 17 years having dental treatment (orthodontic treatment, fillings, pulp treatment, or tooth…

Adverse effects of pain treatment · Adults undergoing orthodontic treatment

Change in taste · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

Signs and symptoms of respiratory disease · Children with obstructive sleep apnoea (aged 15 years or younger)

Adverse events: Clinically important specific adverse events · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

Outcome not reported · Children, adolescents and adults with caries in deciduous and permanent teeth (age 3.5 to 84 years)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)