Horizontal Augmentation With Deproteinized Bovine Bone Mineral Alone or in

Status Active, not recruiting

Clinical Trial Summary

Background: Placement of oral implants is frequently compromised due to atrophy of the alveolar process. Lateral ridge augmentation with an autogenous bone block is frequently necessary to increase the width of the alveolar process before implant installation. However, harvesting of an autogenous bone block is associated with donor site morbidity. Consequently, bone substitutes alone or in combination with particulate autogenous bone graft are used increasingly to simplify the surgical procedure. Animal and human studies evaluating lateral ridge augmentation with Bio-Oss alone or in combination with particulate autogenous bone graft have demonstrated new bone formation and high implant survival. However, the optimal ratio of Bio-Oss and particulate autogenous bone graft for lateral ridge augmentation and long-term implant survival is unknown. Purpose: Test the H0-hypothesis of no difference in long-term implant survival, newly formed bone, volumetric stability of the graft, gained width of the alveolar process and patient satisfaction after lateral ridge augmentation with Bio-Oss alone or in combination with a diminutive amount of autogenous bone graft. Material and methods: lateral ridge augmentation will be performed in 20 adults with two different ratios of Bio-Oss and autogenous bone graft after a split mouth design. Clinical and radiological measurements will evaluate the long-term implant survival. Cone beam computer tomography (CBCT) will be obtained preoperatively, immediately postoperatively, prior to implant placement, 2 years after implant installation and 5 years after implant installation to estimate the volumetric changes of the augmented area. Moreover, the amount of newly formed bone will be estimated by histologic evaluation after implant placement. Conclusion: Long-term implant survival has never been evaluated after lateral ridge augmentation with Bio-Oss alone or in combination with a diminutive amount of autogenous bone graft.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04755166
Study type	Interventional
Source	NU-Hospital Organization, Sweden
Contact
Status	Active, not recruiting
Phase	N/A
Start date	June 1, 2016
Completion date	December 31, 2024

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Horizontal Augmentation With Deproteinized Bovine Bone Mineral Alone or in Combination With Particulate Autogenous Bone

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms