Demineralized Dentin Graft in Preservation of Post-Extraction Sites Associated With Delayed Implant Placement

Comparison of Autogenous Completely Demineralized Dentin Graft Versus Partially Demineralized Dentin Graft Used in Preservation of Post-Extraction Sites Associated With Delayed Implant Placement

Thirty patients will be selected from outpatient clinic of the Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Mansoura University seeking for extraction of non-restorable mandibular posterior teeth For the 1st group: the socket will be grafted with completely demineralized dentin graft after 3 days of extraction, followed by delayed implant placement after 4 months.

For the 2nd group: the socket will be grafted with partially demineralized dentin graft in in the same day of extraction, followed by delayed implant placement after 4 months.

Inclusion Criteria:

• Patient medically free from systemic diseases.
• Patient with good oral hygiene.
• Age above 18 years.
• Presence of non-restorable mandibular premolar tooth due to caries, root resorption, roots fracture, etc.
• No acute infection is present.
• No history of bruxism.
• Patients prepared to comply with the follow-up and maintenance program.

Exclusion Criteria:

• Patients with systemic diseases that interfere with dental implant insertion.
• Pregnancy.
• Immunocompromised patients.
• Existence of non-treated generalized progressive periodontitis.