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To Compare Ridge Preservation Technique Using Leukocyte Platelet Rich Fibrin (L-PRF) and Freeze-dried Bone Allograft (FDBA) Layered Technique vs L-PRF/FDBA and L-PRF Alone in Influencing Quantity and Quality of New Bone Formation in Grafted Extraction Soc

2019-10-24 12:49:26 | BioPortfolio

Summary

This study will evaluate the effect of Leukocyte Platelet Rich Fibrin and freeze-dried bone allograft in a layered technique on the bone quantity and quality following socket grafting in preparation for endosseous implant placement.

Pre (baseline)- and post-grafting (3 months) clinical as well as 2- and 3-dimensional radiographic measurements will be used to evaluate the dimensional ridge changes between sites grafted with L-PRF/FDBA layered technique vs. L-PRF/FDBA and L-PRF alone.

Histological analysis will be performed by a bone biopsy taken at time of surgical re-entry (after 3 months) of grafted sites to place the dental implant and assessed for differences in new bone formation between the three types of graft.

Description

This study is a prospective, three-arm randomized trial that will evaluate and compare the bone healing following ridge preservation of extraction sockets using either L-PRF/FDBA layered technique or L-PRF/FDBA or L-PRF alone in a total of 30 patients (10 in each arm).

Qualifying participants and defects will be randomized following a computerized permutation block to receive either technique on day of surgery. Tooth extraction will be performed with a flapless minimally invasive technique, followed by socket grafting with a randomized graft.

The mineralized cortico-cancellous bone allograft that will be used in this study will be obtained from the same donor, lot and tissue bank to account for variation in age, race, gender and related healing potential of different graft sources.

Bone core biopsies will be harvested at time of implant placement 3 months following socket grafting. Bone cores will then undergo histological and histomorphometrical analyses to determine qualitative and quantitative healing differences between three treatment groups.

Clinical measurements are gathered at 2 time points (grating and implant placement) at all defects and will be compared for differences.

Cone beam computed tomography (CBCT) initial scans are conducted immediately following socket grafting and second scans obtained prior to implant placement. Virtual implant planning software will be utilized to assess and compare the 2- and 3-dimensional changes for all defects.

Study Design

Conditions

Ridge Preservation

Intervention

Ridge preservation using L-PRF/FDBA layered technique, Ridge preservation using L-PRF/FDBA, Ridge preservation using L-PRF

Location

University of Alabama at Birmingham
Birmingham
Alabama
United States
35294-0007

Status

Not yet recruiting

Source

University of Alabama at Birmingham

Results (where available)

View Results

Links

Published on BioPortfolio: 2019-10-24T12:49:26-0400

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Medical and Biotech [MESH] Definitions

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Methods of preparing cells or tissues for examination and study of their origin, structure, function, or pathology. The methods include preservation, fixation, sectioning, staining, replica, or other technique to allow for viewing using a microscope.

Exposure of FOOD to radioactive substances, distinguishable from FOOD IRRADIATION, a food preservation technique.

The use of a treatment material (tissue conditioner) to re-establish tone and health to irritated oral soft tissue, usually applied to the edentulous alveolar ridge.

The part of a denture that overlies the soft tissue and supports the supplied teeth and is supported in turn by abutment teeth or the residual alveolar ridge. It is usually made of resins or metal or their combination.

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