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Alveolar Bone LossNCT05536479

Evaluation of Autogenous Stored Versus Autogenous Fresh Mineralized Dentin Graft for Alveolar Ridge Preservation

A study testing Autogenous stored mineralized dentin graft (ASMDG) and Autogenous fresh mineralized dentin graft (AFMDG) in people with Alveolar Bone Loss, run by Cairo University at 1 site in Egypt.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Tooth extraction triggers a cascade of biological events mediated by both the local inflammatory response that follows the surgical intervention and the deprivation of masticatory stimulation of the periodontium, which elicit an alteration of the homoeostasis and structural integrity of the periodontal tissues. Read more about this study

Who is it for?
Ages 18 to 60 yearsHealthy volunteers can take part
Conditions the study is for
Alveolar Bone Loss
What is being tested?
Autogenous stored mineralized dentin graft (ASMDG) and Autogenous fresh mineralized dentin graft (AFMDG)
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
1 siteEgypt
Study dates
Oct 2022to Sep 2023
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 60 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Potential candidates requiring extraction of maxillary non-molar teeth.
  • Periodontally healthy adjacent teeth.
  • Extraction sockets having no more than 50% of buccal alveolar bone loss

Who cannot join

  • Smokers.
  • Patients reporting systemic conditions that may compromise healing or bone metabolism (e.g., uncontrolled diabetes, hyperthyroidism).
  • Patients having a history of radiotherapy, chemotherapy, or bisphosphonate therapy.
  • Females who were pregnant or planning to get pregnant during the study course.
  • Root canal treated teeth and teeth with acute infection at the site of extraction

Trial locations and contacts

1 site in 1 country.

Nada Wahsh, Bachelor contact

01026191091

nada.wahsh@dentistry.cu.edu.eg

Cairo University contact

Egypt1 site
  • Cairo university

    Cairo

    Faculty of dentistry

Other trials in Egypt

About this study

Official title: Clinical, Radiographic and Histomorphometric Evaluation of Autogenous Stored Versus Autogenous Fresh Mineralized Dentin Graft for Alveolar Ridge Preservation: A Randomized Controlled Clinical Trial

Tooth extraction triggers a cascade of biological events mediated by both the local inflammatory response that follows the surgical intervention and the deprivation of masticatory stimulation of the periodontium, which elicit an alteration of the homoeostasis and structural integrity of the periodontal tissues. Bone remodeling kicks off after tooth loss and continues for several months with most changes taking place in the first three months.

Interestingly, Schmidt-Schultz and Schultz, found that intact growth factors are conserved even in the collagenous extracellular matrix of ancient human bone and teeth. Thus, the application of stored dentin may have similar benefits as fresh dentin, preserving intact growth factors for a prolonged period avoiding the need to perform multiple surgical interventions simultaneously. The volume of the particulate dentin is more than twice of the original root volume. Thus, the idea of using autogenous stored mineralized dentin grafts (ASMDG) in ARP evolved.

Read the detailed description

Immediately following tooth extraction, the alveolar ridge comes across its normal physiologic healing process that results in respective alveolar bone loss, structural and compositional changes of the covering soft tissues, as well as morphological alterations.

In an attempt to cutback horizontal and vertical ridge losses, various techniques have been successfully proven to preserve the alveolar ridge including autografts, allografts, xenografts, alloplasts and autogenous dentin grafts. However, fresh autogenous bone graft is still considered gold standard since it exhibits bioactive cell instructive matrix properties and is non-immunogenic and non - pathogenic in spite of the need for harvesting bone and possible morbidity resulting from it. Nevertheless, no gold-standard technique is applicable for every clinical situation.

The similarities between dentin and alveolar bone may help the human body to show an acceptable biological behavior to dentin graft. It is therefore not surprising that dentin that comprises more than 85% of tooth structure can serve as a native bone grafting material, which is reflected by the interaction between mineralized dentin and osteogenic cells that attach and produce mineralized bone matrix directly on the dentin graft.

Mineralized dentin particles have the advantage to maintain its mechanical stability, allowing early loading after grafting in fresh sockets and bone defects where the mineralized dentin is firmly integrated with newly formed bone, creating a solid site for anchorage of dental implants.

Fresh ground dentin has been used successfully as a grafting material alternative in alveolar ridge preservation which has been manifested in that the clinically grafted sites demonstrated limited ridge resorption which allowed for subsequent implant placement without the need to use additional graft biomaterials.

Being tested
Autogenous stored mineralized dentin graft (ASMDG), Autogenous fresh mineralized dentin graft (AFMDG)
Medical subject headings
Alveolar Bone Loss

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Autogenous stored mineralized dentin graft (ASMDG)Procedure or surgery

    Autogenous stored mineralized dentin graft (ASMDG) particles will be prepared by immersing tooth particles in basic ethanol for 10 min for disinfection, then washed twice in saline and dried using sterile gauze.

    The disinfected particles will then be stored at room temperature for 21 days in a sterile container. After 21 days, a second extraction will be performed followed by mixing the stored graft with a few drops of sterile saline to be packed in a socket after extraction

  • Autogenous fresh mineralized dentin graft (AFMDG)Procedure or surgery

    Autogenous fresh mineralized dentin graft (AFMDG) particles will be prepared by immersing tooth particles in basic ethanol for 10 min for disinfection, then washed twice in saline and dried using sterile gauze.

Study groups in NCT05536479
Study groupRoleWhat they receive
Autogenous stored mineralized dentin graft (ASMDG)ExperimentalAutogenous stored mineralized dentin graft (ASMDG) particles will be prepared by immersing tooth particles in basic ethanol for 10 min for disinfection, then washed twice in saline and dried using sterile gauze The disinfected particles will then be stored at room temperature for 21 days in a sterile container. After 21 days, a second extraction will be performed followed by mixing the stored graft with a few drops of sterile saline to be packed in a socket after extraction
Receives: Procedure: Autogenous stored mineralized dentin graft (ASMDG)
Autogenous fresh mineralized dentin graft (AFMDG)Active comparatorAutogenous fresh mineralized dentin graft (AFMDG) particles will be prepared by immersing tooth particles in basic ethanol for 10 min for disinfection, then washed twice in saline and dried using sterile gauze
Receives: Procedure: Autogenous fresh mineralized dentin graft (AFMDG)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change in buccolingual horizontal alveolar ridge width

    The horizontal buccolingual alveolar ridge width will be measured radiographically on a CBCT at three levels: at -1 mm, -3 mm, -5 mm below the most coronal aspect of the crest (HW-1, HW-3, HW-5), and clinically by a caliper at -3 mm and -5 mm (HW-3 and HW-5). Measurements will be taken at baseline and after 4 months postoperatively to calculate the change.

    Measured: 4 months

Secondary outcomes (2)
  1. Alveolar buccal ridge height

    The alveolar buccal ridge height will be measured radiographically on a CBCT at baseline and after 4 months postoperatively.

    Measured: 4 months

  2. Postoperative pain

    Visual Analogue Scale (VAS) with numbers from 0 to 10 ('no pain' to 'worst pain imaginable')

    Measured: 24 hours

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted10 Sep 2022
  2. Study startOct 2022 (estimated)
  3. Primary completionMay 2023 (estimated)
  4. Study completionSep 2023 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Single blind
Who is masked
Outcomes assessor
Enrolment
30 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05536479
Sponsor's protocol ID
ARPerio22
Status last verified
Sep 2022
First submitted
8 Sep 2022
Last updated
10 Sep 2022
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Undecided

Publications

  • Avila-Ortiz G, Chambrone L, Vignoletti F. Effect of alveolar ridge preservation interventions following tooth extraction: A systematic review and meta-analysis. J Clin Periodontol. 2019 Jun;46 Suppl 21:195-223. doi: 10.1111/jcpe.13057.

    PubMed 30623987
  • Schmidt-Schultz TH, Schultz M. Intact growth factors are conserved in the extracellular matrix of ancient human bone and teeth: a storehouse for the study of human evolution in health and disease. Biol Chem. 2005 Aug;386(8):767-76. doi: 10.1515/BC.2005.090.

    PubMed 16201872

Questions about this trial

What is this clinical trial studying?

A study testing Autogenous stored mineralized dentin graft (ASMDG) and Autogenous fresh mineralized dentin graft (AFMDG) in people with Alveolar Bone Loss, run by Cairo University at 1 site in Egypt.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 3 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 10 Sep 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Egypt. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Contact Nada Wahsh, Bachelor (01026191091, nada.wahsh@dentistry.cu.edu.eg), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change in buccolingual horizontal alveolar ridge width (time frame: 4 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT05536479, which also lists 2 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Sep 2022.

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