All-on-6 upper jaw implants placed with stackable guided surgery and immediate loading

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is a retrospective analysis of a prospectively maintained clinical database of adults with terminal maxillary dentition treated with a prosthetically driven All-on-6 protocol. Planning used three-dimensional imaging and dedicated software to design stackable surgical guides that allow guided bone reduction and fully guided implant placement, followed by immediate loading when insertion torque reached at least 35 Ncm. Patients received screw-retained provisional fixed prostheses on multi-unit abutments with minimized occlusal contacts and were followed clinically and radiographically for a minimum of two years. Primary outcome is implant survival at six months, with secondary peri-implant clinical parameters and regression analysis to explore the influence of surgical and prosthetic variables including basal seating guide design.

Why it matters

Who can join: the full rules

Inclusion Criteria:

Adult patients presenting with terminal dentition of the maxillary arch

Rehabilitation with a maxillary All-on-6 implant-supported complete fixed dental prosthesis

Treatment performed using a fully digital stackable guided surgery workflow

Immediate loading with a provisional fixed prosthesis

Availability of complete clinical and radiographic records

Minimum follow-up period of 2 years

Prosthetic design classified as (Fixed prosthesis) FP-1 or FP-2 according to Misch classification

Exclusion Criteria:

Uncontrolled systemic conditions contraindicating implant surgery

History of head and neck radiotherapy

Presence of untreated periodontal or peri-implant infection at the time of surgery

Incomplete or missing clinical or radiographic records

Cases requiring simultaneous bone grafting procedures

Severe maxillary atrophy (Cawood and Howell Class III-V)

Cases requiring FP-3 prosthetic design

Rehabilitation performed without guided surgery or without immediate loading

Where it's running

• Faculty of Dentistry
  Shibīn al Kawm, Menoufia, Egypt Recruiting

Study contacts

• Principal investigator: Mohammed El-Sawy, PhD — Menoufia University
• Study coordinator: Mohammed El-Sawy, PhD
• Email: Dr_sawy@windowslive.com
• Phone: 00201061314522

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.