Study on OsseoSpeed™ Implants in Patients Missing 2-5 Teeth in the Posterior Lower Jaw, Restored With Permanent Teeth Attached 6-7 Weeks Later

August 22, 2013 updated by: Dentsply Sirona Implants and Consumables

An Open, Prospective Study to Evaluate Implant Stability, Marginal Bone Adaptation and the Survival Rate of Astra Tech Dental Implant System, Fixture Osseospeed™, in Patients With Tooth Loss in the Posterior Mandible in an Early Loading Protocol.

The purpose of the study is to evaluate Astra Tech Dental Implant System, Fixture Osseospeed™, in patients with tooth loss in the posterior mandible in an early loading protocol. Primary objectives are implant stability, marginal bone adaptation and survival rate.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

45

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Germany
      • Göttingen, Germany, 37075
        • Georg-August-Universität, Göttingen, Abt. Mund-, Keifer-, und Gesicthschirurgie
  • United States
    • Ohio
      • Columbus, Ohio, United States, 43210-1241
        • The Ohio State University, College of Dentistry
    • Washington
      • Seattle, Washington, United States, 98195
        • University of Washington, Dept. of Restorative Dentistry

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Provision of written informed consent
  • 18 years of age and over
  • Edentulous in the posterior mandible, Kennedy class I or class II. Last natural tooth, or previously restored implant in function is canine or first bicuspid.
  • Deemed by the investigator as likely to present an initially stabile implant situation suitable for early loading

Exclusion Criteria:

  • Untreated caries and/or periodontal disease of residual dentition
  • History of edentulism in the area of implant placement of less than two months
  • Current need for pre-surgical bone or soft tissue augmentation in the planned implant area.
  • History of pre-surgical bone or soft tissue augmentation, within12 months, in the planned implant area.
  • Any systemic or local disease or condition that would compromise post-operative healing and/or osseointegration
  • Need for systemic corticosteroids or any other medication that would compromise post-operative healing and/or osseointegration
  • Present alcohol or drug abuse
  • Unable or unwilling to return for follow-up visits for a period of 5 years
  • Current use of smoking tobacco
  • Pregnancy or lactation at the time of enrollment

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Non-Randomized
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: A
Device: OsseoSpeed™
OsseoSpeed™, all dimensions

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Implant Survival Rate
Time Frame: At 5 year follow-up
An implant that has failed to osseointegrate, lost its osseointegration or fractured will be considered a failure effective from the date of removal. The survival rate for individual implants will be analyzed at each visit. Cumulative implant survival rate will be calculated using Kaplan-Meier life-table estimation and reported as percentage of survived implants.
At 5 year follow-up
Implant Stability
Time Frame: At 1 year follow-up
Implant stability will be evaluated using Resonance Frequency Analysis (RFA). The RFA value is automatically translated into an Implant Stability Quotient index (ISQ), which runs from 1 to 100.
At 1 year follow-up
Marginal Bone Adaptation
Time Frame: At 5 year follow-up
Marginal bone adaptation will be expressed as the distance from the implant reference point to the most coronal bone-to-implant contact on the mesial and distal side of the implant. Bone adaptation in millimeters at follow-up visit will be compared to values obtained Baseline (loading). Positive value indicates bone gain and negative value bone loss.
At 5 year follow-up

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Dentsply Sirona Implants and Consumables

Investigators

  • Principal Investigator: Edwin A McGlumphy, D.D.S., The Ohio State University, College of Dentistry

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

February 1, 2004

Primary Completion (Actual)

January 1, 2010

Study Registration Dates

First Submitted

July 7, 2008

First Submitted That Met QC Criteria

July 7, 2008

First Posted (Estimate)

July 8, 2008

Study Record Updates

Last Update Posted (Estimate)

September 9, 2013

Last Update Submitted That Met QC Criteria

August 22, 2013

Last Verified

August 1, 2013

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • YA-OSS-0002

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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