Immediate Implants in Maxillary Premolar Region Using Xenograft vs Allograft

October 21, 2018 updated by: Ahmed Mohammed Abdallah AbdelFattah, Cairo University

Evaluation of Marginal Bone Loss After Immediate Implant Placement in Maxillary Premolar Zone With Allograft Versus Xenograft

Immediate implant placement has the disadvantage of difficulty in obtaining primary stability, lack of adequate soft tissue coverage and also the control of the implant position is difficult in addition to the cost of the graft. Autogenous bone graft is considered to be the golden standard for grafting as it has osteoconductive , osteoinductive and osteogenic functions , however it has the problems of donor site morbidity , the need for two surgeries as well as post operative swelling and discomfort of the patient , so alternative bone grafts as allografts and xenografts, has been introduced.

Study Overview

Detailed Description

Allograft bone is obtained from individuals of the same species, derived from human-cadaver bone that has been selected and tested to be free of HIV and transmitted diseases. The most common allograft used is dematerialized freeze-dried bone allograft (DFDBA), provide type I collagen, which comprises most of the organic component of bone. In addition, allograft contains BMPs, which stimulate osteoinduction. There are thirteen proteins have been identified (BMP1-BMP13) which are osteoinductive compounds and stimulate new bone formation. A previous study demonstrated that, a combination of osseous coagulum collected during preparation and freeze-dried bone allograft placed at immediate implant insertion and loading. Xenografts are one of the most successful and widely used grafting materials nowadays as a replacement for autogenous bone grafts. Studies showed that xenografts are very successful because of their osteoconductive properties, their denisty which provides stabilization to the graft and implant and they supply the necessary minerals for bone formation as xenograft don't resorb completely.

Study Type

Interventional

Enrollment (Anticipated)

42

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

25 years to 60 years (ADULT)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Adult patients with badly broken teeth in upper premolar zone indicated for extraction, presence of at least 3 mm of bone beyond the root apex to guarantee implant primary stability, implant placement within the alveoli confines.
  • Both sexes.
  • No intraoral soft and hard tissue pathology.
  • No systemic condition that contraindicate implant placement.

Exclusion Criteria:

  • Presence of fenestrations or dehiscence of the residual bony walls after extraction.
  • Heavy smokers more than 20 cigarettes per day.
  • Patients with systemic disease that may affect normal healing.
  • Psychiatric problems
  • Disorders to implant are related to history of radiation therapy to the head and neck neoplasia, or bone augmentation to implant site.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: TREATMENT
  • Allocation: NA
  • Interventional Model: SINGLE_GROUP
  • Masking: NONE

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
EXPERIMENTAL: immediate premolar implant with xenograft and allograft
Immediate Implant Placement in Maxillary Premolar zone with grafting the jumping gap using xenograft and allograft
  • A peritome will be used for atraumatic extraction of remaining roots.
  • The extraction socket will be evaluated for absence of any fenestration or granulation tissues.
  • Copious normal saline irrigation and curettage will be performed.
  • In the study group: Immediate implant insertion following standard manufacturer's recommended surgical protocol followed by grafting the jumping gap with cortico-cancellous allograft (MinerOss®, BioHorizons, USA)
  • In the control group: Immediate implant insertion following standard manufacturer's recommended surgical protocol followed by grafting the jumping gap with anorganic bovine bone mineral xenograft (Bio-Oss®, Geistlich, USA)

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Marginal Bone Loss
Time Frame: 6 months
The amount of marginal bone loss will be measured using cone beam computed tomography
6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (ANTICIPATED)

November 1, 2018

Primary Completion (ANTICIPATED)

October 1, 2019

Study Completion (ANTICIPATED)

November 1, 2019

Study Registration Dates

First Submitted

October 21, 2018

First Submitted That Met QC Criteria

October 21, 2018

First Posted (ACTUAL)

October 23, 2018

Study Record Updates

Last Update Posted (ACTUAL)

October 23, 2018

Last Update Submitted That Met QC Criteria

October 21, 2018

Last Verified

October 1, 2018

More Information

Terms related to this study

Other Study ID Numbers

  • CairoMOImplant

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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