Findings

What do systematic reviews say?

7 questions · 7 findings · 3 reviews · Oral Health

Sort:Best matchNewest Highest certainty Download CSV

No studies found 0 · 0%GRADE not reported 2 · 28.6%Very low 3 · 42.9%Low 2 · 28.6%Moderate 0 · 0%High 0 · 0%

Surgery vs Radiotherapy alone

Total mortality · Adults with oropharyngeal cancer

Surgery showed no clear difference in total mortality compared with radiotherapy alone (low certainty).

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
3 years
HR 0.83 [0.09, 7.46]
1 study · 68 participants
Low

Surgery vs Radiotherapy alone

Disease-free survival · Adults with oropharyngeal cancer

Surgery showed no clear difference in disease-free survival (new disease, progression, and mortality) compared with radiotherapy alone (low certainty).

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
3 years
HR 1.07 [0.27, 4.22]
1 study · 68 participants
Low

Pre-operative radiotherapy (plus surgery) vs surgery

Total mortality · People with primary squamous cell carcinoma of the oral cavity (ICD-O C01-C06) or oropharynx (ICD-O C09-C10); head and neck cancer trials…

Pre-operative radiotherapy (plus surgery) showed no clear difference in total mortality compared with surgery alone; GRADE not reported.

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancer: radiotherapy 2010 · Cochrane All outcomes
HR 0.83 [0.64, 1.07]
1 study
GRADE not reported

Surgery plus radiotherapy vs Radiotherapy alone

Total mortality · Adults with oral cavity or oropharyngeal cancer

It is very uncertain whether surgery plus radiotherapy changes total mortality compared with radiotherapy alone (very low certainty).

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
3 years
HR 0.24 [0.10, 0.59]
1 study · 35 participants
Very low

Surgery plus radiotherapy vs Chemotherapy (chemoradiotherapy)

Total mortality · Adults with oral cavity or oropharyngeal cancer

1 finding from 1 review

Interventions for the treatment of oral cavity and oropharyngeal cancers: surgical treatment 2023 · Cochrane All outcomes
oral cavity
Total mortality: study reported survival significantly better with surgery and RT vs chemoradiotherapy, but no useable data; 32 participants (1 RCT, Iyer 2015 oral cavity subgroup).
1 study · 32 participants
Very low

Periodontal treatment (scaling and root planing, polishing, or surgery), alone or with oral hygiene counselling, antiseptics, or antimicrobials vs no treatment

Maternal death · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

1 finding from 1 review

Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
0% in both groups; Not estimated; 2134 participants (4 RCTs)
4 studies · 2134 participants
GRADE not reported

Periodontal treatment (scaling and root planing, polishing, or surgery), alone or with oral hygiene counselling, antiseptics, or antimicrobials vs no treatment

Perinatal mortality · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination

It is very uncertain whether periodontal treatment (scaling and root planing, polishing, or… changes perinatal mortality (including fetal and neonatal deaths up to the… compared with no treatment (very low certainty).

1 finding from 1 review

Treating periodontal disease for preventing adverse birth outcomes in pregnant women 2017 · Cochrane All outcomes
RR 0.85 [0.51, 1.43]
7 studies · 5320 participants
Very low