What do systematic reviews say?

Time to feeding after surgery · Children up to 13 years of age, undergoing cleft lip repair surgery

Economic data: direct costs of materials and any reported associated indirect costs · Adults and adolescents with permanent posterior molar and premolar teeth suitable for Class I and II, but excluding Class V, amalgam…

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

Oral health: Not brushing teeth twice a day · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia

Adverse effects of pain treatment · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

Oral health: Not brushing teeth twice a day · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

Quality of life: Chronic pain · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

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

Oral health: Not having seen a dentist in the past year · People with serious mental illness (all included participants had schizophrenia); majority aged 18 to 65 years per NIMH 1987, or with…

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

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…

Length of hospital stay · Children up to 13 years of age, undergoing cleft lip repair surgery

Incidence of respiratory diseases and pneumonia · Nursing home residents (mean age 78.3 to 86.0 years; more than 66% women; 62.1% to 87.3% with dental prostheses)

Signs and symptoms of atypical swallowing and speech production disturbances · Children with obstructive sleep apnoea (aged 15 years or younger)

Length of hospital stay · Children up to 13 years of age, undergoing cleft lip repair surgery

Quality of life: Chronic pain · 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 and adults undergoing orthodontic treatment

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…

Outcome not reported · Patients with full arch fixed orthodontic appliances with bands attached to molars (patients with cleft lip/palate or other craniofacial…