Horizontal Ridge Augmentation With or Without Autogenous Block Grafts

Launched by UNIVERSIDAD CIENTÍFICA DEL SUR · Feb 7, 2018

Keywords

ClinConnect Summary

Forty-two patients with 42 severe horizontal bone atrophy sites in the maxilla or mandible will be randomly assigned to two groups: ABG or GBR.

In the ABG group, a combination of ABG with particulate xenograft, covered with collagen membrane, will be used, while only a combination of particulate xenograft and collagen membrane alone will be in the GBR group. After 6-9 months of healing, implants were inserted. All implants will be definitively restored 6 months after implant placement. Radiographic examination (cone beam computed tomograms, CBCT) will be performed to evaluate the amount of...

Gender

ALL

Eligibility criteria

• Inclusion Criteria:
• • 18 years old, who required an implant supported restoration in at least one site, with severe atrophy of the alveolar ridge in the horizontal plane (class III-IV atrophy according to Cawood and Howell classification),
• • adequate oral hygiene
• • no history of previous bone augmentation procedures at the implant site, and
• • able to understand and sign an informed consent form.
• Exclusion Criteria:
• • uncontrolled systemic conditions, irradiation in the head and neck area, - immunosuppressed or immunocompromised,
• • presented with oral disorders (such as lichen planus),
• • treated or under treatment with intravenous amino-bisphosphonates,
• • untreated periodontitis, poor oral hygiene and motivation,
• • parafunctional habits,
• • pregnant or lactating,
• • drug or alcohol abuse,
• • psychiatric disorders,
• • a history (within the last 3 months) of using (at least weekly or more frequently) smokeless chewing tobacco, smoking a pipe, cigar or cigarette (at a rate of more than 10 cigarettes per day),
• • acute/chronic infection/inflammation in the area, or
• • an extraction with less than 3 months of healing