Viewing Study NCT07239193


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Study NCT ID: NCT07239193
Status: NOT_YET_RECRUITING
Last Update Posted: 2025-11-20
First Post: 2025-11-16
Is NOT Gene Therapy: True
Has Adverse Events: False

Brief Title: Demineralized Dentin Matrix Versus Mineralized Plasmatic Matrix on Alveolar Ridge Preservation in Molar Extraction Sites
Sponsor: Cairo University
Organization:

Study Overview

Official Title: Effect of Demineralized Dentin Matrix Versus Mineralized Plasmatic Matrix on Alveolar Ridge Preservation in Molar Extraction Sites; A Randomized Clinical Trial.
Status: NOT_YET_RECRUITING
Status Verified Date: 2025-11
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: When a tooth is removed, the bone around it (called the alveolar ridge) naturally shrinks. This study compares two bone grafting materials to find out which one better preserves bone after molar extraction:

Demineralized Dentin Matrix (DDM): A material made from the patient's own extracted tooth, treated to remove minerals while keeping bone-forming proteins.

Mineralized Plasmatic Matrix (MPM): A mixture of a standard bone substitute and platelet-rich plasma from the patient's blood.
Detailed Description: Alveolar ridge resorption is a predictable biological process following tooth extraction, particularly in molar sites where the bone structure is more complex. Maintaining ridge volume is essential for optimal future implant placement and prosthetic rehabilitation. Various grafting materials and biologic enhancers have been used to minimize post-extraction bone loss; however, cost, availability, and biocompatibility remain significant challenges, especially with xenograft and allograft materials.

This randomized clinical trial investigates and compares two autogenous and biologically enhanced approaches for alveolar ridge preservation following molar extraction. The first method utilizes Demineralized Dentin Matrix (DDM) prepared from the patient's own extracted tooth. DDM provides a naturally derived scaffold rich in collagen and bone morphogenetic proteins (BMPs), offering both osteoconductive and osteoinductive potential. The second method uses a Mineralized Plasmatic Matrix (MPM), a combination of a xenograft bone substitute mixed with Platelet-Rich Plasma (PRP), which represents a widely used regenerative option in oral surgery.

The study is designed as a parallel-group, single-blind, randomized clinical trial conducted at the Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Cairo University. Eligible adult patients requiring extraction of non-restorable multi-rooted molars will be enrolled and allocated equally into two groups. Both groups will undergo atraumatic extraction followed by immediate socket grafting with either DDM+PRF or MPM+PRP.

Standardized postoperative care will be provided to all participants, and healing will be monitored both clinically and radiographically. Cone-beam computed tomography (CBCT) will be used to evaluate alveolar bone width, height, and density immediately after extraction and at 4 months postoperatively. Pain and soft-tissue healing will also be assessed using validated clinical indices.

The study's primary objective is to determine whether Demineralized Dentin Matrix (DDM) provides superior preservation of alveolar ridge dimensions and bone quality compared to Mineralized Plasmatic Matrix (MPM) in molar extraction sites. The hypothesis tested is that there will be no significant difference between both materials regarding bone preservation and regeneration outcomes.

This trial is expected to provide evidence supporting the clinical viability of using recycled autogenous tooth material as a cost-effective and biocompatible alternative to commercially available xenografts, potentially expanding regenerative options for clinicians and improving access to affordable biologic grafting solutions.

Study Oversight

Has Oversight DMC: None
Is a FDA Regulated Drug?: False
Is a FDA Regulated Device?: False
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: