Maxillary Sinus Augmentation Using CAD/CAM Allogenic Bone Blocks Versus Particulate Allogenic Grafts

Maxillary Sinus Augmentation Using CAD/CAM Customized Allogenic Bone Blocks Versus Particulate Allogenic Grafts for Delayed Implant Placement: A Randomized Clinical Trial

Status

Enrolling by invitation

Phases

Unknown

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT07604155

Enrollment

Registered

2026-05-22

Start date

2025-09-03

Completion date

2027-03-19

Last updated

2026-05-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Allograft, Maxillary Sinus

Keywords

CAD-CAM allogenic block, particulate allograft, sinus lifting

Brief summary

28 patients will be included in this study with atrophic posterior maxillary ridge due to sinus pneumatization who will randomly assigned to two groups * Group I: sinus lifting using CAD/CAM allogenic block through lateral window technique * Group II: sinus lifting using particulate allogenic graftthrough lateral window technique

Detailed description

28patients will be included in this study with an atrophic posterior maxillary ridge due to sinus pneumatization, who will be randomly assigned to two groups * Group I: sinus lifting using CAD/CAM allogenic block through lateral window technique * Group II: sinus lifting using particulate allogenic graft through the lateral window technique * Surgical procedure: A full-thickness, wide mucoperiosteal flap was elevated buccally. Alateral bony window of the maxillary sinus will be made then the sinus lining will be elevated carefully. The CAD/CAM allogenic block will be inserted and fixed in its position via a titanium screw to the crest of maxillary ridge (group I). In group II the particulate bone will be packed at the site of augmentation * The lateral window will be covered with collagen membrane, the flap will reposited in its place and sutured. 6 months later, implants will be inserted

Interventions

PROCEDUREsinus lifting using CAD/CAM allogenic block

A full-thickness, wide mucoperiosteal flap was elevated buccally. A lateral bony window of the maxillary sinus will be made, then the sinus lining will be carefully elevated. The CAD/CAM allogenic block will be inserted and fixed in its position via a titanium screw to the crest of maxillary ridge (group I). • The lateral window will be covered with collagen membrane, the flap will be repositioned in its place and sutured.

PROCEDUREsinus lifting using particulate allogenic graft

In group II the particulate bone will packed at the site of augmentation

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

TRIPLE (Subject, Investigator, Outcomes Assessor)

Masking description

Outcome assessor other than operators groups were blinded to investigator and patients

Eligibility

Sex/Gender

ALL

Age

20 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

* above 20 years * ridge height less than or equal to 5 mm * healthy clear sinus

Exclusion criteria

* systemic disease affect bone healing * heavy smokers * disease or pathology within the sinus

Design outcomes

Primary

Measure	Time frame	Description
bone height gain	6 months	using CBCT
marginal bone resorption around implants	6 months	CBCT

Countries

Egypt

Contacts

PRINCIPAL_INVESTIGATORmohamed h helal, lecturer

Tanta University

PRINCIPAL_INVESTIGATORrehab ghouraba, professor