CompletedPhase 2ACTRN12605000652673

A multicentre prospective evaluation of mandibular bilateral distal extension removable partial dentures, supported by ITI dental implants.

A Randomized Controlled Clinical Trial using Mandibular Bilateral Distal Extension Removable Implant Partial Dentures to Resolve Partial Tooth Loss.

Sponsor

International Team for Implantology Research Foundation, Switzerland

Enrollment

72 participants

Start Date

Nov 15, 2004

Study Type

Interventional

Conditions

Partial edentulism

Summary

A multicentre study in New Zealand, Colombia and the Netherlands to evaluate the outcomes of removable partial dentures (plates) supported by oral implants

Eligibility

Sex: Both males and femalesMin Age: 30 YearssMax Age: 80 Yearss

Inclusion Criteria1

be categorised as being in one of three categories of patient edentulism (Class I, II or III) as defined by the American College of Prosthodontists (McGarry et al. 2002).2. an edentulous maxilla, and a Kennedy Classification I mandibular arch with healthy periodontal tissues around the natural teeth. They should be having difficulty wearing their existing mandibular partial denture opposing the maxillary complete denture; exacerbated with on-going residual ridge resorption. 3. With sufficient bone volume in the posterior mandible to receive two implants of at least 8-10mm in length and 4.1mm in diameter; 4. having suitable bone quality as assessed radiographically (Lekholm & Zarb 1985). 5. have sufficient bone volume to fulfil one of the Cawood & Howell (1988) residual ridge classifications, except Class VI.

Exclusion Criteria1

patients with a Class IV category of American College of Prosthodontists classification of partial edentulism (McGarry et al. 2002).2. physical and mental disabilities which interfere with the maintenance of implants or removal of the RPD's.

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