What do systematic reviews say?

Fixed tooth-bone-borne expansion vs Fixed tooth-borne expansion (Hyrax)

The review found no eligible studies for this question.

• Orthodontic treatment for posterior crossbites 2021 · Cochrane All outcomes
  Not measured (SoF 6)
  0 studies
  No studies found

Clinical examination with 24-month recall vs Clinical examination with 6-month recall

Clinical examination with 24-month recall showed no clear difference in patient satisfaction with actual care received (1-7 scale) compared with clinical examination with 6-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD -0.11 [-0.26, 0.04]
  1 study · 308 participants
  GRADE not reported

Resin-based fissure sealant vs Fluoride varnish

• Pit and fissure sealants versus fluoride varnishes for preventing dental decay in the permanent teeth of children and… 2020 · Cochrane All outcomes
  Five studies (Bravo 2005; Chestnutt 2017; Kalnina 2016; Liu 2012; Tagliaferro 2011) considered adverse events; participants detected and reported no adverse events.
  5 studies
  GRADE not reported

Resin-based fissure sealant vs Fluoride varnish

The review found no eligible studies for this question.

• Pit and fissure sealants versus fluoride varnishes for preventing dental decay in the permanent teeth of children and… 2020 · Cochrane All outcomes
  None of the studies measured time taken to apply pit and fissure sealant or fluoride varnish (resin sealant versus fluoride varnish comparison).
  0 studies
  No studies found

Clinical examination with risk-based recall vs Clinical examination with 24-month recall

Clinical examination with risk-based recall showed no clear difference in oral health knowledge (1-9 scale) compared with clinical examination with 24-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD -0.01 [-0.05, 0.03]
  1 study · 303 participants
  GRADE not reported

Resin-modified glass ionomer fissure sealant vs Fluoride varnish

Resin-modified glass ionomer fissure sealant showed no clear difference in progression of dentinal carious lesions into enamel or dentine compared with fluoride varnish; GRADE not reported.

• Pit and fissure sealants versus fluoride varnishes for preventing dental decay in the permanent teeth of children and… 2020 · Cochrane All outcomes

  1 year
  OR 0.18 [0.01, 4.27]
  1 study · 21 participants
  GRADE not reported

Clinical examination with risk-based recall vs Clinical examination with 24-month recall

Clinical examination with risk-based recall showed no clear difference in cost (healthcare-system perspective): total cost per patient (GBP) compared with clinical examination with 24-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD 17.00 [-14.34, 48.34]
  1 study · 404 participants
  GRADE not reported

Clinical examination with risk-based recall vs Clinical examination with 24-month recall

Clinical examination with risk-based recall showed no clear difference in oral health attitudes (1-7 scale) compared with clinical examination with 24-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD -0.02 [-0.20, 0.16]
  1 study · 304 participants
  GRADE not reported

Clinical examination with risk-based recall vs Clinical examination with 24-month recall

Clinical examination with risk-based recall showed no clear difference in oral health behaviour (1-9 scale) compared with clinical examination with 24-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD 0.01 [-0.02, 0.04]
  1 study · 304 participants
  GRADE not reported

Clinical examination with risk-based recall vs Clinical examination with 6-month recall

Clinical examination with risk-based recall showed no clear difference in patient satisfaction with actual care received (1-7 scale) compared with clinical examination with 6-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD 0.03 [-0.03, 0.09]
  1 study · 1607 participants
  GRADE not reported

Clinical examination with risk-based recall vs Clinical examination with 6-month recall

Clinical examination with risk-based recall showed no clear difference in oral health behaviour (1-9 scale) compared with clinical examination with 6-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD 0.00 [-0.01, 0.01]
  1 study · 1608 participants
  GRADE not reported

Clinical examination with 24-month recall vs Clinical examination with 12-month recall

Clinical examination with 24-month recall showed no clear difference in total time (examination plus treatment) (minutes) compared with clinical examination with 12-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  2 years · 3-5 year olds (primary teeth)
  MD -10 [-26.7, 6.7]
  1 study · 58 participants
  GRADE not reported
• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  2 years · 16-20 year olds (permanent teeth)
  MD -23.7 [-43.28, -4.12]
  1 study · 127 participants
  GRADE not reported

Resin-based fissure sealant plus fluoride varnish vs Fluoride varnish

The review found no eligible studies for this question.

• Pit and fissure sealants versus fluoride varnishes for preventing dental decay in the permanent teeth of children and… 2020 · Cochrane All outcomes
  The study (Splieth 2001) did not measure the number of visits to the dentist for repair of sealant or fluoride varnish application.
  0 studies
  No studies found

Clinical examination with 24-month recall vs Clinical examination with 6-month recall

Clinical examination with 24-month recall showed no clear difference in oral health attitudes (1-7 scale) compared with clinical examination with 6-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD 0.17 [-0.01, 0.35]
  1 study · 308 participants
  GRADE not reported

Clinical examination with 24-month recall vs Clinical examination with 6-month recall

Clinical examination with 24-month recall showed no clear difference in dental caries: number of tooth surfaces with any caries (ICDAS 1-6) compared with clinical examination with 6-month recall (moderate certainty).

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD -0.60 [-2.54, 1.34]
  1 study · 271 participants
  Moderate

Clinical examination with 24-month recall vs Clinical examination with 6-month recall

Clinical examination with 24-month recall led to lower cost (patient perspective): total cost per patient (GBP) compared with clinical examination with 6-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  MD -53.00 [-76.91, -29.09]
  1 study · 375 participants
  GRADE not reported

Clinical examination with 24-month recall vs Clinical examination with 12-month recall

The review found no eligible studies for this question.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  2 years
  Summary of findings 1 lists 'Periodontal disease: Not reported' for the 24-month versus 12-month comparison (Wang 1992 did not measure it).
  0 studies
  No studies found

Clinical examination with risk-based recall vs Clinical examination with 6-month recall

Clinical examination with risk-based recall showed no clear difference in dental caries: prevalence of root caries compared with clinical examination with 6-month recall; GRADE not reported.

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  RR 0.93 [0.76, 1.13]
  1 study · 1306 participants
  GRADE not reported

Resin-based fissure sealant plus fluoride varnish vs Fluoride varnish

The review found no eligible studies for this question.

• Pit and fissure sealants versus fluoride varnishes for preventing dental decay in the permanent teeth of children and… 2020 · Cochrane All outcomes
  The study (Splieth 2001) did not report progression of dentinal carious lesions into enamel or dentine.
  0 studies
  No studies found

Clinical examination with 24-month recall vs Clinical examination with 6-month recall

Clinical examination with 24-month recall showed no clear difference in dental caries: prevalence of moderate to extensive caries (ICDAS 3-6) compared with clinical examination with 6-month recall (low certainty).

• Recall intervals for oral health in primary care patients 2020 · Cochrane All outcomes

  4 years
  RR 1.05 [0.92, 1.20]
  1 study · 271 participants
  Low