Study to Evaluate Implant Survival Rate of Astra Tech Fixture ST in the Posterior Maxilla With One-stage Surgery and Early Loading

Completed · Not applicable

Conditions studied: Jaw, Edentulous, Partially

In brief

The purpose of this study is primarily to evaluate implant survival rate of Astra Tech Fixture ST placed in the posterior maxilla. A one-stage surgical protocol will be used and the implants will be loaded four weeks after implant installation (early loading). Marginal bone levels, plaque and status of the periimplant mucosa will also be evaluated. The subjects will be followed for three years.

Key facts

Study ID

NCT00748241

Run by

Dentsply Sirona Implants and Consumables

People needed

19

Starts

2000-09-01

Last updated by the study team

2012-02-15

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age 18 - 75
• Unilateral or bilateral edentulism in the posterior maxilla, last tooth should be the canine or the first bicuspid
• Willing to give informed consent

You may not qualify if…

• Bone height < 5 mm, in the planned implant area
• Bone width < 5 mm, in the planned implant area
• Previous bone augmentation procedure in the planned implant area
• Previous failures of endosseous implants
• Untreated caries and/or periodontal disease of residual dentition
• History or presence of any systemic or local disease or condition that would compromise post-operative healing and/or osseointegration
• Systemic corticosteroids or any other medication that would compromise post-operative healing and/or osseointegration
• Current alcohol or drug abuse
• Unable or unwilling to return for follow-up visits for 3 years

Where it is running

• Dept. of Periodontology, New York Dept of Veterans Affairs Medical Center — New York, New York, United States
• Dept. of Prosthodontics, New York Dept of Veterans Affairs Medical Center — New York, New York, United States

Full record on ClinicalTrials.gov

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