Horizontal Anterior Maxillary Ridge Augmentation Using Autogenous Ring Block Grafts Combined With Particulate Xenogeneic Bone Versus Biphasic Beta-tri-calcium Phosphate Sulphate EthOss Graft: A Clinical Study

Al-Azhar University

Status: Completed

Conditions: Implant Dentistry

Treatments: Procedure: Autogenous Bone Block + Xenograft + Collagen Membrane

Study type: Interventional

Funder types: Other

Identifiers

NCT07212985

REC-PD-24-22

Details and patient eligibility

About

. Group A, received ABG cylinders obtained from the chin and organic bovine bone mineral particles (Bio-Oss xenograft) along with an absorbable collagen membrane. ABG cylinders from the chin and biphasic alloplastic (EthOss) grafting material made of CS (35%) and TCP (65%) were given to Group B. CBCT scans were conducted before bone augmentation surgery, one week and 6 months postoperatively

Full description

Two groups of forty patients participated in this prospective, controlled, randomized clinical investigation. Group A, received ABG cylinders obtained from the chin and organic bovine bone mineral particles (Bio-Oss xenograft) along with an absorbable collagen membrane. ABG cylinders from the chin and biphasic alloplastic (EthOss) grafting material made of CS (35%) and TCP (65%) were given to Group B. CBCT scans were conducted before bone augmentation surgery, one week and 6 months postoperatively

Enrollment: 40 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Adults ≥18 years requiring implant-supported restoration in the anterior maxilla

Horizontal alveolar bone deficiency <4 mm (Cawood & Howell Class III-IV)

Satisfactory oral hygiene

No previous bone augmentation at study site

Exclusion criteria

• Uncontrolled systemic diseases

History of head/neck irradiation or immunosuppression

Oral lesions (e.g., lichen planus)

Ongoing or recent IV bisphosphonate therapy

Untreated periodontitis or poor oral hygiene

Parafunctional habits, pregnancy, psychiatric disorders

Recent tobacco use

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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40 participants in 2 patient groups

ABG + Xenograft + Collagen Membrane

Experimental group

Description:

Patients receive autogenous bone block graft (from chin) combined with particulate bovine xenograft (Bio-Oss, Geistlich Pharma AG) and covered with absorbable collagen membrane (Bio-Gide).

Treatment:

Procedure: Autogenous Bone Block + Xenograft + Collagen Membrane

ABG + EthOss (Synthetic Graft)

Experimental group

Description:

Patients receive autogenous bone block graft (from chin) combined with EthOss, a biphasic synthetic graft material (35% calcium sulfate, 65% β-tricalcium phosphate).

Treatment:

Procedure: Autogenous Bone Block + Xenograft + Collagen Membrane