Autogenous Sticky Bone Plus Platelet-rich Fibrin Membrane Versus Xenograft With Collagen Membrane for Posterior Atrophic Mandible
1 other identifier
interventional
26
1 country
1
Brief Summary
Background: Teeth loss in the posterior mandible initiates residual ridge resorption, this causes difficulty in implant placement so ridge augmentation must be done either simultaneous with implant placement or in a staged approach Aim: To evaluate the effect of autogenous sticky bone with PRF membrane and xenograft with collagen membrane with simultaneous implant placement clinically on primary and secondary implant stability, and radiographically on bucco-lingual width gain, bone density and crestal bone loss
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for not_applicable
Started Sep 2026
Shorter than P25 for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 13, 2026
CompletedFirst Posted
Study publicly available on registry
September 17, 2026
CompletedStudy Start
First participant enrolled
September 25, 2026
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 30, 2027
ExpectedStudy Completion
Last participant's last visit for all outcomes
June 30, 2027
September 17, 2026
September 1, 2026
9 months
September 13, 2026
September 13, 2026
Conditions
Outcome Measures
Primary Outcomes (4)
Change in implant stability
Implant stability will be recorded immediately after placement (1ry stability) and after 6 months (2ry stability ) by using osstell device. The result is presented in form of ISQ value from 1 to 100, the higher the ISQ the higher the stability of implant
up to 6 months
change in bucco-lingual bone thickness
All participants in the study will be advised to undergo CBCT before implant placement to measure bucco-lingual bone thickness, and again 7 days postoperatively and 6 months after implant placement to assess the following.
up to 6 months
change in marginal bone level
At buccal, lingual, mesial, and distal sites will be evaluated radiographically from the shoulder of the implant to the alveolar crest. The mean marginal bone loss after the placement of implants will be calculated by subtracting baseline value from the values obtained at 6 and 9 months post implant placement
up to 9 months
change in ridge width
Will be measured immediately and after 6 months, bone width will be measured for each implant at three levels (2, 5, and 10 mm from the alveolar crest) and the mean will be calculated for each implant at each time interval.
up to 6 months
Secondary Outcomes (3)
change in pain scores
up to 7 days
change in edema scores
up to 7 days
change in bone density
up to 6 months
Study Arms (2)
Test Group
EXPERIMENTALControl Group
ACTIVE COMPARATORInterventions
Patients in this group will be treated using autogenous sticky bone with PRF membrane.
Patients in this group will be treated using a xenograft with a collagen membrane.
Eligibility Criteria
You may qualify if:
- Patients with missing posterior mandibular teeth.
- Horizontal bone defect with width \< 5.5 mm.
- Adequate zone of keratinized tissue
You may not qualify if:
- Presence of infection or periapical lesions in adjacent teeth.
- Medically compromised patients with a condition that affects the procedure.
- Insufficient inter-arch distance.
- Bruxism or clenching.
- Alcoholism.
- Heavy Smokers.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Outpatient Clinic of Oral and Maxillofacial Surgery Department, Faculty of Dentistry, Alexandria University, Egypt
Alexandria, Azarita, 00203, Egypt
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 13, 2026
First Posted
September 17, 2026
Study Start
September 25, 2026
Primary Completion (Estimated)
June 30, 2027
Study Completion (Estimated)
June 30, 2027
Last Updated
September 17, 2026
Record last verified: 2026-09