Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,085 questions · 1,232 findings · 66 reviews · Oral Health

No studies found 218 · 17.7%GRADE not reported 745 · 60.5%Very low 179 · 14.5%Low 65 · 5.3%Moderate 25 · 2%High 0 · 0%

Carboxymethylcellulose (CMC) spray vs Salinum linseed oil spray

Dry mouth (xerostomia) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's syndrome, radiotherapy,…
1 finding from 1 review
  • Andersson 1995 (crossover, n=20): more participants experienced a reduction in oral dryness with linseed (Salinum) spray than with CMC spray; crossover data not accounted for, no usable estimate.
    1 study · 20 participants
    GRADE not reported

Various saliva stimulants (chewable tablet, lozenges, chewing gum, CMC mouthrinse/sprays; 8-arm) vs Saliva substitutes / other products

Xerostomia (dry mouth relief) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's syndrome, radiotherapy,…
1 finding from 1 review
  • Bjornstrom 1990 (8-arm crossover, high risk of bias, 106 enrolled, 55 used all 8 products): all products relieved dry mouth and difficulty talking/swallowing 'to some extent'; V6 chewing gum and Salivin lozenge ranked…
    1 study · 106 participants
    GRADE not reported

Low‐level laser therapy vs Placebo or no active treatment

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Laser (low level) showed no clear difference in oral mucositis (moderate to severe) compared with placebo/sham/no treatment; GRADE not reported.

1 finding from 1 review

Oxygenated glycerol triester (OGT) spray vs Saliveeze (aqueous electrolyte) spray

Dry mouth (xerostomia) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's syndrome, radiotherapy,…

Oxygenated glycerol triester (OGT) spray led to higher xerostomia (mouth dryness scale) compared with saliveeze (aqueous electrolyte) spray; GRADE not reported.

1 finding from 1 review

Mucin spray (Saliva Orthana) vs Placebo spray (base without mucin)

Patient satisfaction / desire to continue treatment · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's syndrome, radiotherapy,…

Mucin spray (Saliva Orthana) led to lower patient satisfaction / desire to continue treatment compared with placebo spray (base without mucin); GRADE not reported.

1 finding from 1 review
  • Sweeney 1997: majority in both groups wished to continue the allocated spray, no significant difference (Analysis 1.3). Duxbury 1989: 14/30 (46.6%) and 15/30 (50%) wished to continue Saliva Orthana and the spray base…
    2 studies
    GRADE not reported

CMC spray / HCC spray / HCC gel vs Liquid margarine (and between each other)

Dry mouth (xerostomia) · Adults seeking treatment for the symptom of dry mouth (xerostomia) due to any cause (e.g. medication, Sjogren's syndrome, radiotherapy,…
1 finding from 1 review
  • Furumoto 1998 (crossover, n=28, medians/IQR): median day-10 oral dryness (lower = less dry): CMC spray 28.00 (3.06), HCC spray 28.75 (2.23), HCC gel 27.75 (3.62), margarine 29.25 (5.06). Only HCC gel showed a…
    1 study · 28 participants
    GRADE not reported

Yangyin-humo decoction vs Traditional Western medicine

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Yangyin-humo decoction showed no clear difference in oral mucositis (moderate to severe) compared with traditional Western medicine; GRADE not reported.

1 finding from 1 review

Clarithromycin vs no treatment

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Systemic antibiotic (clarithromycin) showed no clear difference in oral mucositis (moderate to severe) compared with no treatment; GRADE not reported.

1 finding from 1 review