Actively Recruiting

Phase Not Applicable
Age: 20Years - 48Years
All Genders
ID06891313

Evaluation of Endosseous Implants Using Conventional Technique Versus Piezo Surgery for One Stage Ridge Splitting in the Posterior Mandible

Led by Cairo University · Updated on 2025-07-16

20

Participants Needed

1

Research Sites

13 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Researchers are evaluating two different techniques for ridge splitting with simultaneous implants in the posterior mandible to assess bone augmentation. This randomized clinical trial compares the conventional method using bone discs with a study method using piezo surgery bone inserts. Participants include patients with specific bone height and width criteria and single missing teeth or previous failed implants, aiming to improve bone quantity and implant stability. Both groups undergo preoperative CBCT scans and receive local anesthesia during the procedure. The surgical process involves creating a full thickness mucoperiosteal flap and performing crestal osteotomy and semi-vertical osteotomies using either piezo surgery inserts or bone discs. Implants are placed submerged below the alveolar crest, followed by bone smoothing, application of xenogenic bone particles, and tension-free flap closure with sutures. Postoperative CBCT is performed at four months to evaluate bone gain. Participants will be assessed through imaging and clinical evaluations including CBCT scans before and four months after surgery, as well as soft tissue examination at baseline and one week post-operation. The primary measurement is the amount of bone gained at four months after ridge augmentation. Researchers will monitor soft tissue healing and ensure proper flap closure. Participants' involvement spans from preoperative testing through multiple follow-up assessments over several months.

CONDITIONS

Brief Title

One Stage Ridge Splitting Using 2 Different Techniques in the Posterior Mandible

Who Can Participate

Age: 20Years - 48Years
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients with mandibular residual alveolar bone height of at least 8 mm
  • Alveolar bone width between 3 mm and 5 mm
  • Both male and female patients
  • At least one missing tooth
  • Previous failed implants allowed
  • Tapered or cylinder-shaped alveolar bone defect pattern
Not Eligible

You will not qualify if you...

  • Heavy smokers consuming more than 20 cigarettes per day
  • Bone diseases affecting normal healing, such as hyperparathyroidism
  • History of radiotherapy or chemotherapy in head and neck area
  • Presence of neoplasms at graft sites
  • Uncontrolled metabolic diseases, including diabetes with HbA1c over 7 mg/dl
  • Pregnant females
  • Patients with parafunctional habits or who are non-cooperative
  • Bone pathology related to graft site
  • Psychological problems or emotional instability
  • Intraoral soft or hard tissue pathology
  • Systemic conditions contraindicating implant placement
  • Under 18 years of age
  • Bone defects with hourglass shape or concavities/undercuts at graft site

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Your Study Journey

Screening

Duration - 2 to 4 weeks

Participants are screened for eligibility to participate in the trial.

1 visit (in-person)

Surgery and Immediate Post-operative Care

Duration - Single day procedure with immediate post-operative care

Participants undergo one-stage ridge splitting and simultaneous implant placement using either piezo surgery or conventional bone discs technique.

1 surgery visit (in-person)

Post-operative Follow-up

Duration - 1 week

Participants are monitored for healing and soft tissue condition following surgery.

1 follow-up visit (in-person)

Long-term Monitoring

Duration - 4 months

Participants receive a follow-up CBCT scan and assessment of bone gain approximately 4 months after surgery.

1 visit (in-person) at 4 months

Trial Site Locations

Total: 1 location

1

Faculty of Dentistry Cairo University

Cairo, Egypt, 11553

Actively Recruiting

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Research Team

M

Mohannad A. Ismail, MSc.

A

Ahmed M Youssef, PhD

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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Published Research Related To This Trial

A 10-year multicenter retrospective clinical study of 1715 implants placed with the edentulous ridge expansion technique.

Fabrizio Bravi, Giovanni B Bruschi, Francesco Ferrini

https://pubmed.ncbi.nlm.nih.gov/18092450

Bone Augmentation Techniques for Horizontal and Vertical Alveolar Ridge Deficiency in Oral Implantology.

Len Tolstunov, John F Eric Hamrick, Vishtasb Broumand...

https://pubmed.ncbi.nlm.nih.gov/30947846

Horizontal ridge augmentation with a resorbable membrane and particulated autogenous bone with or without anorganic bovine bone-derived mineral: a prospective case series in 22 patients.

Istvan A Urban, Heiner Nagursky, Jaime L Lozada

https://pubmed.ncbi.nlm.nih.gov/21483894

Horizontal ridge augmentation with a collagen membrane and a combination of particulated autogenous bone and anorganic bovine bone-derived mineral: a prospective case series in 25 patients.

Istvan A Urban, Heiner Nagursky, Jaime L Lozada...

https://pubmed.ncbi.nlm.nih.gov/23593623

Titanium Mesh Technique in Rehabilitation of Totally Edentulous Atrophic Maxillae: A Retrospective Case Series.

Gerardo Pellegrino, Giuseppe Lizio, Giuseppe Corinaldesi...

https://pubmed.ncbi.nlm.nih.gov/26759078