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

Complete Tooth Loss:A Randomized Controlled Clincial Trial with Maxillary Three-Implant Overdentures Opposing Mandibular Two-Implant Overdentures.

Status

Completed

Phases

Phase 4

Study type

Interventional

Source

ANZCTR

Registry ID

ACTRN12605000653662

Enrollment

Registered

2005-10-18

Start date

2001-11-12

Completion date

2002-12-15

Last updated

2020-01-13

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

Conditions

None listed

Brief summary

To determine the implant success and prosthetic maintenance of 3 upper jaw implants supporting an overdenture in patients with a lower jaw 2-implant overdenture over a 10-year period.

Interventions

Placement of oral implants in the upper jaw and implant overdentures, when opposing lower jaw 2-implant overdentures.

Study design

Allocation

Randomised controlled trial

Intervention model

Parallel

Primary purpose

Treatment

Masking

Open (masking not used)

Eligibility

Sex/Gender

All

Age

55 Years to 80 Years

Healthy volunteers

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.

Outcome results