What do systematic reviews say?

Open surgical exposure vs Closed surgical exposure

Open surgical exposure showed no clear difference in patient response: satisfaction with treatment (satisfactory vs… compared with closed surgical exposure; GRADE not reported.

• Open versus closed surgical exposure of canine teeth that are displaced in the roof of the mouth 2017 · Cochrane All outcomes

  After orthodontic treatment
  RR 1.00 [0.92, 1.09]
  1 study · 43 participants
  GRADE not reported

Open surgical exposure vs Closed surgical exposure

Open surgical exposure showed no clear difference in aesthetics: canine rated as abnormal tooth colour compared with closed surgical exposure; GRADE not reported.

• Open versus closed surgical exposure of canine teeth that are displaced in the roof of the mouth 2017 · Cochrane All outcomes

  End of treatment
  RR 1.91 [0.19, 19.52]
  1 study · 43 participants
  GRADE not reported

Open surgical exposure vs Closed surgical exposure

Open surgical exposure showed no clear difference in success of surgery (eruption of the canine crown sufficient for… compared with closed surgical exposure (low certainty).

• Open versus closed surgical exposure of canine teeth that are displaced in the roof of the mouth 2017 · Cochrane All outcomes

  10 days postoperative
  RR 0.99 [0.93, 1.06]
  3 studies · 141 participants
  Low

Open surgical exposure vs Closed surgical exposure

It is very uncertain whether open surgical exposure changes treatment time: length of time in the operating theatre (first… compared with closed surgical exposure (very low certainty).

• Open versus closed surgical exposure of canine teeth that are displaced in the roof of the mouth 2017 · Cochrane All outcomes

  Intraoperative
  MD -3.18 [-7.59, 1.22]
  2 studies · 89 participants
  Very low

Open surgical exposure vs Closed surgical exposure

Open surgical exposure showed no clear difference in gum health: radiographic crestal bone level compared with closed surgical exposure; GRADE not reported.

• Open versus closed surgical exposure of canine teeth that are displaced in the roof of the mouth 2017 · Cochrane All outcomes

  3 months post-debond
  MD 3.21 [-0.33, 6.75]
  1 study · 43 participants
  GRADE not reported

Open surgical exposure vs Closed surgical exposure

• Open versus closed surgical exposure of canine teeth that are displaced in the roof of the mouth 2017 · Cochrane All outcomes

  End of treatment
  SoF (Aesthetics, reported in various manners at different time points): 'This outcome was measured in a variety of ways in the studies that cannot be pooled'; quality very low (⊕⊝⊝⊝). Results: Parkin 2012 -…
  2 studies
  Very low

Open surgical exposure vs Closed surgical exposure

Open surgical exposure showed no clear difference in gum health: clinical attachment level (CAL) compared with closed surgical exposure (low certainty).

• Open versus closed surgical exposure of canine teeth that are displaced in the roof of the mouth 2017 · Cochrane All outcomes

  3 months post-debond
  MD -0.10 [-0.45, 0.25]
  1 study · 62 participants
  Low

Total thyroidectomy vs subtotal thyroidectomy

Total thyroidectomy showed no clear difference in permanent recurrent laryngeal nerve palsy [patient reported,… compared with bilateral subtotal thyroidectomy (low certainty).

• Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy 2015 · Cochrane Headline outcomes only
  OR 1 [0.14, 7.15]
  2 studies · 300 participants
  Low

Total thyroidectomy vs subtotal thyroidectomy

Total thyroidectomy showed no clear difference in permanent hypocalcaemia/hypoparathyroidism [measured by serum… compared with bilateral subtotal thyroidectomy (low certainty).

• Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy 2015 · Cochrane Headline outcomes only
  OR 2.04 [0.53, 7.85]
  2 studies · 300 participants
  Low

Total thyroidectomy vs subtotal thyroidectomy

• Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy 2015 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 300 participants
  GRADE not reported

Total thyroidectomy vs subtotal thyroidectomy

The review found no eligible studies for this question.

• Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Total thyroidectomy vs subtotal thyroidectomy

The review found no eligible studies for this question.

• Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy 2015 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Total thyroidectomy vs subtotal thyroidectomy

Total thyroidectomy probably leads to lower R ate of recurrent hyperthyroidism [measured by thyroid function… compared with bilateral subtotal thyroidectomy (moderate certainty).

• Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy 2015 · Cochrane Headline outcomes only
  OR 0.13 [0.04, 0.44]
  2 studies · 300 participants
  Moderate

Total thyroidectomy vs subtotal thyroidectomy

Total thyroidectomy showed no clear difference in regression of Graves' ophthalmopathy [ophthalmology assessment] compared with bilateral subtotal thyroidectomy (low certainty).

• Thyroid surgery for Graves’ disease and Graves’ ophthalmopathy 2015 · Cochrane Headline outcomes only
  OR 1.19 [0.64, 2.21]
  2 studies · 260 participants
  Low

Pre-radiotherapy extraction of healthy molar teeth vs Conservative treatment (leaving the teeth in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of diseased molar teeth vs Conservative treatment (restoration of the teeth and leaving them in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of healthy molar teeth vs Conservative treatment (leaving the teeth in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of diseased molar teeth vs Conservative treatment (restoration of the teeth and leaving them in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy extraction of diseased molar teeth vs Conservative treatment (restoration of the teeth and leaving them in place during radiotherapy, with oral health education and disease prevention: oral hygiene, fluoride, diet advice)

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Pre-radiotherapy dental extraction vs Post-radiotherapy dental extraction

The review found no eligible studies for this question.

• Dental extractions prior to radiotherapy to the jaws for reducing post‐radiotherapy dental complications 2013 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found