Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

517 questions · 551 findings · 17 reviews · All outcomes

No studies found 65 · 11.8%GRADE not reported 419 · 76%Very low 29 · 5.3%Low 25 · 4.5%Moderate 13 · 2.4%High 0 · 0%

Hyperbaric oxygen therapy (HBO) following extractions vs penicillin G

Incidence of ORN · Adults with head and neck cancer undergoing curative or adjuvant radiotherapy (at risk of osteoradionecrosis of the jaws)

It is very uncertain whether hyperbaric oxygen therapy (HBO) following extractions changes incidence of ORN compared with perioperative antibiotic prophylaxis (penicillin G) following… (very low certainty).

1 finding from 1 review

Combined HBO and perioperative antibiotics prior to dental implant therapy vs antibiotics alone

Adverse effects (including quality of life) · Adults with head and neck cancer undergoing curative or adjuvant radiotherapy (at risk of osteoradionecrosis of the jaws)
1 finding from 1 review

Hyperbaric oxygen therapy (HBO) following extractions vs penicillin G

Adverse effects · Adults with head and neck cancer undergoing curative or adjuvant radiotherapy (at risk of osteoradionecrosis of the jaws)
1 finding from 1 review

PRP (platelet-rich plasma) in cellulose foam placed in extraction socket vs placebo, no treatment or surveillance only

Incidence of ORN · Adults with head and neck cancer undergoing curative or adjuvant radiotherapy (at risk of osteoradionecrosis of the jaws)

It is very uncertain whether PRP (platelet-rich plasma) in cellulose foam placed in extraction… changes incidence of ORN compared with no treatment/placebo (cellulose foam only) placed in extraction socket (very low certainty).

1 finding from 1 review

Fluoride gel (topically applied; operator- or self-applied; any fluoride agent/concentration; frequency at least once a year) vs High-content fluoride toothpaste (1350 ppm)

Incidence of ORN · Adults with head and neck cancer undergoing curative or adjuvant radiotherapy (at risk of osteoradionecrosis of the jaws)
1 finding from 1 review

PRP (platelet-rich plasma) in cellulose foam placed in extraction socket vs placebo, no treatment or surveillance only

Adverse effects (wound pain) · Adults with head and neck cancer undergoing curative or adjuvant radiotherapy (at risk of osteoradionecrosis of the jaws)
1 finding from 1 review

Combined HBO and perioperative antibiotics prior to dental implant therapy vs antibiotics alone

Incidence of ORN · Adults with head and neck cancer undergoing curative or adjuvant radiotherapy (at risk of osteoradionecrosis of the jaws)

It is very uncertain whether combined HBO and perioperative antibiotics prior to dental implant… changes incidence of ORN compared with antibiotics alone prior to dental implant therapy (very low certainty).

1 finding from 1 review

Bethanechol vs Artificial saliva

Dry mouth (xerostomia) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Bethanechol showed no clear difference in xerostomia (dry mouth, yes/no) compared with artificial saliva; GRADE not reported.

2 findings from 1 review

Bethanechol vs Artificial saliva

Salivary flow rate (unstimulated) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Bethanechol led to higher salivary flow rate (unstimulated, ml/min) compared with artificial saliva; GRADE not reported.

2 findings from 1 review

Keratinocyte growth factor (KGF; palifermin or repifermin), intravenous vs placebo

Progression‐free survival · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Palifermin showed no clear difference in progression-free survival compared with placebo; GRADE not reported.

1 finding from 1 review

Bethanechol vs Artificial saliva

Overall survival · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Bethanechol showed no clear difference in overall survival compared with artificial saliva; GRADE not reported.

1 finding from 1 review

Amifostine vs no treatment/placebo

Dysphagia (grade >= 3, 0-4 scale) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Amifostine showed no clear difference in dysphagia (grade >= 3, 0-4 scale) compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

Chinese medicine vs no treatment/placebo

Salivary flow rate (stimulated) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Chinese medicine led to higher salivary flow rate (stimulated) compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review

Keratinocyte growth factor (KGF; palifermin or repifermin), intravenous vs placebo

Xerostomia (grade >= 2, 0-4 scale) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Palifermin showed no clear difference in xerostomia (grade >= 2, 0-4 scale) compared with placebo (low certainty).

1 finding from 1 review

Antiseptic mouthrinse vs placebo

Drooling (hyposialosis) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Antiseptic mouthrinse showed no clear difference in drooling (hyposialosis) compared with placebo; GRADE not reported.

1 finding from 1 review

Pilocarpine vs no treatment/placebo

Quality of life (McMaster HNRQ, 1-7 scale) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

It is very uncertain whether pilocarpine changes quality of life (McMaster HNRQ, 1-7 scale) compared with no treatment/placebo (very low certainty).

1 finding from 1 review

Amifostine vs no treatment/placebo

Disease-free survival · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region

Amifostine showed no clear difference in disease-free survival compared with no treatment/placebo; GRADE not reported.

1 finding from 1 review