Question · asked by 1 review

Ultrasound during vertical distraction osteogenesis vs Placebo (no ultrasound) during vertical distraction: Distraction distance (bone gain, mm)

Population
Patients with vertically deficient posterior/anterior mandibular ridges needing implants
Intervention
Ultrasound during vertical distraction osteogenesis
Comparison
Placebo (no ultrasound) during vertical distraction
Outcome
Distraction distance (bone gain, mm)

Ultrasound during vertical distraction osteogenesis showed no clear difference in distraction distance (bone gain, mm) compared with placebo (no ultrasound) during vertical distraction; GRADE not reported.

What each review found

Include earlier review versions
FindingEffectStudiesGRADE certainty
Ultrasound during vertical distraction osteogenesis vs Placebo (no ultrasound) during vertical distraction
Distraction distance (bone gain, mm) · Patients with vertically deficient posterior/anterior mandibular ridges needing implants · 2 years post-loading
Ultrasound during vertical distraction osteogenesis showed no clear difference in distraction distance (bone gain, mm) compared with placebo (no ultrasound) during vertical distraction; GRADE not reported.
Interventions for replacing missing teeth: horizontal and vertical bone augmentation techniques for dental… (2009) · Cochrane All outcomes
Distraction distance 4.6 mm (ultrasound) vs 5.8 mm (placebo); difference 1.2 mm not statistically significant, in favour of placebo; data not shown (Schortinghuis 2008)1 study · 9 participantsGRADE not reported

Findings are shown side by side, never pooled across reviews.

The reviews

ReviewSearched up toIncluded studiesAMSTAR 2
Interventions for replacing missing teeth: horizontal and vertical bone augmentation techniques for dental implant treatment
2009 · Cochrane All outcomes
2009-06Not listedNot assessed
How reviews are matched to this question

Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.