Alveolar Ridge Augmentation Clinical Trial
Official title:
Examining Bone Quantity and Quality Following Standard Guided Bone Regeneration Procedures
Edentulism refers to a state of full or partial lack of teeth. This situation may interfere
with essential functions such as mastication, speech and even appearance.
Dental implants inserted to the mandible or maxilla is a common treatment modality aiming to
restore edentulus alveolar ridges by providing support and anchorage for removable or fixed
dental prosthesis.There are cases which in addition to a lack of teeth suffer from lack of
sufficient bone tissue volume to support the dental implant.A situation like this may
originate from a variety of reasons such as residual bone atrophy, prior alveolar bone
destruction due to periodontal disease and even a traumatic tooth extraction. In such cases,
a routine alveolar bone augmentation is done to enable a dental implant installation at this
site.Guided bone regeneration (GBR) is a widely used technique used to augment edentulus bone
ridges. It relies on an inert membrane covering a bone substitute placed over the bony site
requiring augmentation. The bone substitute provides a scaffold to alveolar regeneration by
the host's osteoblasts while the membrane prevents unwanted epithelial cells to migrate to
the bony defect area.
The investigators research is a aimed to preform a follow up after patients who already went
through a GBR procedure and before inserting a dental implant. Patients answering the
inclusion but not the exclusion criteria will go through an alveolar computerized tomography
(C.T) done routinely before inserting dental implants.At the day of Dental implantation -
residual bone left from the site of implantation (after preparing the site with a trephine
bur) will be taken to a histological analysis. The results from the C.T and the histological
examination will be analyzed for bone quantity (volume) and quality and will allow a
comparison of bone characteristics obtained by using different routinely used bone
substitutes.
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