Filling of Tooth Sockets With MBCP Gel TM Versus Technical Without Filling

June 1, 2010 updated by: Nantes University Hospital

Comparative Clinical Study of the Prevention of the Reduction of Alveolar Crest by Alveoli Filling With an Injectable Calcium Phosphate After Extraction of Mandibular Molar or Pre Molar

After a dental extraction, the osseous alveoli fill naturally of a blood clot which is transformed some month later into osseous tissues. Even if the alveolar walls remain intact at the end of the intervention, the healing always comes along with a physiological reduction at the level of the site. The reduction of the alveolar crests is a continuous, cumulative and inexorable phenomenon This reduction entails in the long term aesthetic and functional damages which complicate the prosthetic rehabilitation of the dental articulate. That the prosthetic rehabilitation is removable or fixed, implanto-carried or not, it is made more difficult and less comfortable for the patient. In oral surgery, certain pathologies require for their treatment the use of materials of filling generating an activity of reduction / osseous replacement ending in the formation of a physiological calcified neo-tissue. Numerous products of osseous replacement were already used to realize alveolar fillings to avoid this inevitable and strongly harmful osseous loss.The purpose of the present study is to quantify the physiological osseous loss due to the dental extraction with or without filling by a randomized study and with calibrated criteria of evaluation. The current standard of care is no filling (healing from the blood clot) and we know the consecutive osseous loss during the aging. The technique by filling with an osseous substitute is more and more used in Europe and in Asia because of the decrease of the osseous loss. At first, these substitutes were constituted by bone grafts (autografts, allografts, xenografts) that tend to be replaced by synthetic materials. To realize these fillings according to countries, various materials are used (bovine bone, coral, bio glasses, phosphates of calcium). The most used synthetic materials are calcium ortho phosphates, the composition of which is close to mineral phases of calcified tissues. Ceramic of phosphate of calcium and more particularly the Biphasic Phosphate Calcium (BCP) was already used in numerous clinical applications.We chose as this study MBCP gel ™, same product beforehand used in 2 clinical studies for which the Nantes University Hospital was the sponsor.The perspectives of this study are to be able to propose the systematization of the alveolar filling to be able to decrease the osseous reduction after an extraction and to be able to propose more functional prosthetic rehabilitation (improvement of the masticatory power), more aesthetic and comfortable. When we know the effect of the under nutrition due to masticator difficulties notably at the aged persons, we measure all the importance of this major problem of Public health.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Unknown

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Not Applicable

Contacts and Locations

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Study Contact

Study Contact

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Study Locations

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Men and women, aged from 18 to 75 years, in good general health
  • Affiliated to a national insurance scheme or a beneficiary such a regime, having had a preliminary medical examination
  • Without clinically significant buccal pathology or significant buccal concomitant treatment
  • Presenting at least a mandibular embedded premolar or molar not conservable (maximum 3 molars or premolars not conservable, and no akin tooth),

Exclusion Criteria:

  • Emergency extraction, or extraction that should not entail an osseous resorption other than a physiological one
  • Lacteal tooth
  • Trophic lesion
  • Acute or chronic osteomyelitis, cellulitis, dry or infectious sachet non treated, granuloma or cyst not treated
  • Filling revised surgical site with non resorbable biomaterial waste
  • Filling necrotic surgical site
  • Opening of brains
  • Past or planned cervicofacial irradiation
  • Known addiction to tobacco and alcohol
  • Patient that hasn't a sufficient oral hygiene and which could not be better
  • Allergy to Spiramycine, Metronidazole, Hydroxyzine, Paracetamol, Dextropropoxyphene, Chlorhexidine, or components of the local anesthesia
  • Cancer, non equilibrate diabetes, tuberculosis, evolutionary or non equilibrate infectious or inflammatory disease
  • Degenerative osseous pathology
  • Distance infection risk
  • Immunodeficiency
  • Corticoids or other treatment with an effect on phosphocalcic metabolism
  • Expectant mothers, parturients and the mothers who nurse (efficient contraception is mandatory).

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?

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Experimental: Filling
alveoli filling with an injectable calcium phosphate after extraction of mandibular molar or pre molar
Device: MBCP gel TM
alveoli filling with an injectable calcium phosphate after extraction of mandibular molar or pre molar
No Intervention: Without filling

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
The primary outcome is to compare the reduction of the alveolar crest with or without alveoli filling, verifying if the height of the filled alveolar crests is higher after 3 or 6 month compared to the height of the unfilled alveolar crests.

Collaborators and Investigators

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

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Nantes University Hospital

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

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
November 1, 2007

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
November 1, 2010

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
May 1, 2011

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
August 21, 2008

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 21, 2008

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 22, 2008

Study Record Updates

Last Update Posted (Estimate)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
June 2, 2010

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
June 1, 2010

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
June 1, 2010

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • BRD06/9-O

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