Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,413 questions · 2,602 findings · 93 reviews · All outcomes

No studies found 452 · 17.4%GRADE not reported 1,582 · 60.8%Very low 392 · 15.1%Low 122 · 4.7%Moderate 53 · 2%High 1 · 0%

Radiotherapy (morning) vs Afternoon radiotherapy

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…

Morning radiotherapy showed no clear difference in total mortality compared with afternoon radiotherapy; GRADE not reported.

1 finding from 1 review

Immediate-delayed implants (placed within 8 weeks after tooth extraction) vs Delayed implants (placed at least 2 months after extraction)

Implant failure · Patients with compromised teeth to be extracted who require single dental implants in fresh postextraction sockets

Immediate-delayed implants (placed within 8 weeks after tooth… led to lower implant failure compared with delayed implants (placed at least 2 months after extraction); GRADE not reported.

1 finding from 1 review

Chlorhexidine mouthwash vs Salt and soda mouthwash

Average pain scores (0-100 VAS) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Chlorhexidine mouthwash showed no clear difference in average pain scores (0-100 VAS) compared with salt and soda mouthwash; GRADE not reported.

1 finding from 1 review

Low‐level laser therapy vs Placebo (sham) laser therapy

Mucositis severity (mild to moderate) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Low level laser therapy led to higher mucositis severity (mild to moderate) compared with sham (placebo) laser treatment; GRADE not reported.

1 finding from 1 review

Bio-Oss (anorganic bovine bone) vs Bovine-derived xenograft (Bio-Oss) plus resorbable barrier

Major complication at augmented site · Patients receiving immediate single implants in fresh extraction sockets (maxillary anterior/premolar sites)

Bio-Oss (anorganic bovine bone) led to lower major complications at the augmented site compared with bio-Oss + resorbable barrier; GRADE not reported.

1 finding from 1 review

Hyperfractionated/accelerated/split-course radiotherapy vs Conventional (standard) fractionation radiotherapy

Disease-free survival · 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

Oral clonazepam (benzodiazepine) vs placebo

Jaw pain (VAS) · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral clonazepam (benzodiazepine) showed no clear difference in jaw pain (VAS) compared with placebo; GRADE not reported.

1 finding from 1 review

Open reduction and fixation vs Closed (conservative) management (no active intervention other than soft diet, analgesics or antibiotics; or intermaxillary/maxillary-mandibular fixation with rigid or elastic traction)

Outcome not reported · Adults, over 18 years of age, with unilateral or bilateral fractures of the mandibular condyles

The review found no eligible studies for this question.

1 finding from 1 review

Immediate-delayed implants (placed within 8 weeks after tooth extraction) vs Delayed implants (placed at least 2 months after extraction)

Aesthetics assessed by dentist: position of the perimplant tissues · Patients with compromised teeth to be extracted who require single dental implants in fresh postextraction sockets

Immediate-delayed implants (placed within 8 weeks after tooth… led to higher aesthetics assessed by dentist: position of the perimplant tissues compared with delayed implants (placed at least 2 months after extraction); GRADE not reported.

1 finding from 1 review

Oral propranolol vs placebo

Reduction in pain duration (percentage of day) · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…

Oral propranolol (beta-blocker) showed no clear difference in reduction in pain duration (percentage of day) compared with placebo; GRADE not reported.

1 finding from 1 review

GM-CSF vs placebo or no treatment

Improvement in mucositis · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Granulocyte macrophage-colony stimulating factor (GM-CSF) led to higher improvement in mucositis compared with placebo or no treatment; GRADE not reported.

2 findings from 1 review

Immediate-delayed implants (placed within 8 weeks after tooth extraction) vs Delayed implants (placed at least 2 months after extraction)

Marginal bone level change · Patients with compromised teeth to be extracted who require single dental implants in fresh postextraction sockets

Immediate-delayed implants (placed within 8 weeks after tooth… showed no clear difference in perimplant marginal bone level changes compared with delayed implants (placed at least 2 months after extraction); GRADE not reported.

1 finding from 1 review

Oral propranolol vs placebo

Adverse events ‐ treatment emergent · Adult patients aged >=18 years, clinically or radiographically diagnosed with TMD (McNeill 1997 criteria); moderate to severe pain of…
1 finding from 1 review

Split‐course radiotherapy (8 fractions, 30 Gy) vs Accelerated radiotherapy

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…

Split-course radiotherapy showed no clear difference in total mortality compared with accelerated radiotherapy; GRADE not reported.

1 finding from 1 review

Mixed beam (neutron and photon) radiotherapy vs Conventional photon radiotherapy

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…

Mixed beam (neutron and photon) radiotherapy showed no clear difference in total mortality compared with conventional photon radiotherapy; GRADE not reported.

1 finding from 1 review

Chlorhexidine solution enclosed in implant inner part vs Normal saline

Plaque · Adults with dental implants and healthy peri-implant soft tissues at baseline

Chlorhexidine solution enclosed in implant inner part showed no clear difference in plaque compared with physiologic (saline) solution; GRADE not reported.

1 finding from 1 review

Sonic toothbrushing vs Manual toothbrushing

Change in probing pocket depth (PPD) · Adults with dental implants and peri-implant mucositis at baseline

Sonic toothbrushing showed no clear difference in change in probing pocket depth compared with manual toothbrushing; GRADE not reported.

1 finding from 1 review

Autogenous bone graft augmentation at the immediate implant site vs No augmentation

Implant failure · Patients receiving immediate single implants in fresh extraction sockets (maxillary anterior/premolar sites)

Autogenous bone graft augmentation at the immediate implant site led to lower implant failure compared with no augmentation; GRADE not reported.

1 finding from 1 review