All‐cause mortality · Critically ill patients receiving mechanical ventilation in ICU
Powered toothbrushing (as part of comprehensive oral care) showed no clear difference in mortality compared with manual toothbrushing (standard oral care); GRADE not reported.
1 finding from 1 review
Oral cancer mortality (disease-specific) · Apparently healthy adults aged 35 years or older (general population), living in 13 clusters in rural areas of Trivandrum city, Kerala,…
Visual screening (oral visual inspection) by trained health workers showed no clear difference in oral cancer mortality (disease-specific) compared with no screening (low certainty).
2 findings from 1 review
Mortality (all‐cause) · Residents of nursing homes and other long-term care facilities
1 finding from 1 review
All-cause mortality, follow-up 12-30 months, 3764 (3 studies), Very low. Not pooled. Adachi RR 0.80 (0.40 to 1.58; 88); Juthani-Mehta HR 1.16 (0.88 to 1.53; 834); Zimmerman adjusted IRR 0.83 (0.61 to 1.12; 1606).…
3 studies · 3764 participants
Very low
Mortality (pneumonia-associated) · Residents of nursing homes and other long-term care facilities
Professional oral care may leads to lower mortality (pneumonia-associated) compared with usual oral care (low certainty).
1 finding from 1 review
All‐cause mortality · Critically ill patients (adults and children) receiving mechanical ventilation in ICU
Chlorhexidine (mouthrinse or gel), as part of oral hygiene care showed no clear difference in mortality compared with placebo or usual care (moderate certainty).
1 finding from 1 review
All‐cause mortality · Critically ill adults receiving mechanical ventilation in ICU
Toothbrushing (with or without antiseptics), as part of oral hygiene… showed no clear difference in mortality compared with no toothbrushing (with or without antiseptics) (low certainty).
1 finding from 1 review
Maternal death · Pregnant women considered to have periodontal disease (gingivitis or periodontitis) after dental examination
1 finding from 1 review
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
All‐cause 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…
It is very uncertain whether altered fractionation radiotherapy (hyperfractionated and/or… changes mortality compared with conventional (standard) fractionation radiotherapy (very low certainty).
2 findings from 1 review
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
Total mortality · Adults with oral cavity cancer
1 finding from 1 review
Total mortality: 2 trials reported HR but could not be pooled (different surgical procedures); neither indicated a difference (BHNCSG 1998 HR 1.14, 0.70 to 1.86; Bier 1994 HR 0.87, 0.41 to 1.83); 252 participants (2…
2 studies · 252 participants
Very low
Total mortality · Adults with oral cavity or oropharyngeal cancer
1 finding from 1 review
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
Total mortality · Adults with oral cavity or oropharyngeal cancer with nodal disease (stage N2 or N3)
PET-CT following chemoradiotherapy (neck dissection only if… showed no clear difference in total mortality compared with planned neck dissection before or after chemoradiotherapy (moderate certainty).
1 finding from 1 review
Total mortality · Adults with oral cavity cancer (tongue or floor of mouth) and clinically negative neck nodes
The review found no eligible studies for this question.
1 finding from 1 review
Total mortality · Adults with oral cavity or oropharyngeal cancer
Sentinel node biopsy (neck dissection only if biopsy positive) showed no clear difference in total mortality compared with elective neck dissection (low certainty).
1 finding from 1 review
Total mortality · Adults with oral cavity or oropharyngeal cancer
1 finding from 1 review
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…
1 finding from 1 review
Hyperfractionated/accelerated split course vs accelerated boost (Fu 1995, feasibility study, 75 participants): authors report no significant difference in total mortality; data not presented in a way that allows…
1 study · 75 participants
GRADE not reported
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…
Accelerated radiotherapy with concomitant boost showed no clear difference in total mortality compared with conventional (standard) fractionation radiotherapy; GRADE not reported.
1 finding from 1 review
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…
Hyperfractionated radiotherapy led to lower total mortality compared with conventional (standard) fractionation radiotherapy; GRADE not reported.
1 finding from 1 review
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…
1 finding from 1 review