Maxillary Three-Implant Overdentures: An Alternative Prosthodontic Treatment Concept with Opposing Mandibular Two-Implant Overdentures.

Phase 4

Completed

• Conditions: Total tooth loss - edentulism; Oral and Gastrointestinal - Other diseases of the mouth, teeth, oesophagus, digestive system including liver and colon

• Registration Number: ACTRN12605000653662
• Lead Sponsor: obelBiocare Pty Ltd Australia,

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2005-10-18
• Last Update Posted: 13 January 2020

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 40

Inclusion Criteria

An edentulous maxilla, and had been successfully wearing their mandibular two-implant overdenture for at least three years.

Exclusion Criteria

Those with Lekholm & Zarb classification16 Type E maxillae (determined radiologically), a history of smoking, a systemic disease likely to compromise implant surgery, previously bone-grafted jaws, or a history of bruxism.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
To determine implant success of maxillary three-implant overdentures using splinted and unsplinted prosthodontic designs on narrow diameter roughened surface implants (with a one-stage surgical procedure and a 12-week healing period), when opposing mandibular two-implant overdentures.[52 weeks post procedure and 10 years post procedure]

Secondary Outcome Measures

Name	Time	Method
To determine prosthodontic success of maxillary three-implant overdentures using splinted and unsplinted prosthodontic designs on narrow diameter roughened surface implants (with a one-stage surgical procedure and a 12-week healing period), when opposing mandibular two-implant overdentures.[ 10 years post procedure]