The effect of ultrasound on osteogenesis in the vertically distracted edentulous mandible. A double-blind trial

The Efficacy of Horizontal and Vertical Bone Augmentation Procedures for Dental Implants: A Cochrane Systematic Review

“…One trial received support from the implant manufacturer; however, the trial was not designed to test the implants, but the augmentation techniques [23]. The authors of six trials declared that no support was received from commercial parties whose products were being tested in the trials [3,7,8,16,18,30].…”

“…When evaluating which are the most effective augmentation techniques for vertical ridge augmentation, eight trials were included [3,7,8,15,16,18,23,30]. Osteodistraction osteogenesis, various GBR techniques, autogenous onlay block grafting and inlay grafting with both autogenous bone and bone substitutes can be successful for augmenting bone vertically; however, there is insufficient evidence to suggest if one technique is preferable.…”

“…After 5 month of healing, implant stability was tested and abutments were placed. Ultrasound or placebo were applied using a sonic-• accelerated fracture-healing system (SAFHS model 2000, Smith and Nephew, Memphis, TN, USA) by patients subjected to vertical osteodistraction osteogenesis in the anterior mandible when active osteodistraction was initiated after a latency period of about 5 days [30]. Ultrasound self-treatment involved a daily treatment of 20 min for about 50 days on the skin of the chin covering the osteodistraction gap using 1.5 MHz pressure wave in pulses of 200 ms.…”

“…While assessing the information presented in the articles for the outcome measures of interest in the present review that were possible to be masked, blinding of the outcome assessor was scored as unclear for all trials with five exceptions [15,22,23,27,30]. Three trials were scored as blinded (21,25,31) …”

“…The trial was judged to be at low risk of bias. One trial evaluated the effect of ultrasounds on ver-• tical distraction osteogenesis in anterior atrophic mandibles [30]. Five patients were treated with ultrasounds and four patients with a placebo.…”