Using 3.3mm Screw Tap and Cutting Resistance to Evaluate Bone Quality Around Dental Implant

June 5, 2008 updated by: National Taiwan University Hospital

Using 3.3mm Screw Tap to Modify the Standard Implantation Procedure and to Measure the Cutting Resistance for Establishing a More Objective Method to Evaluate the Peri-Implant Bone Quality

Osseointegrated root form implants have been applied successfully in treating fully and partially edentulous patients and patients with single tooth missing. However, the success rate of osseointegrated dental implants was not as good in patients with poor bone quality. The reasons are believed that poor bone quality reduces the initial stability of dental implants and then reduces the success rate. For increasing initial stability of dental implants, some technical modifications are suggested in literature. However, due to lack of an objective method to evaluate bone quality, they are controversial. The purposes of this clinical study are to develop a standard procedure which using cutting resistance measured by Osseocare in surgery to evaluate the bone quality and to compare with the clinical experiences of oral surgeons. The objective outcome, initial stability of dental implant, is measured with Osstell. The analyzed results are also helpful for less experienced surgeons.

Study Overview

Status

Unknown

Conditions

Detailed Description

Materials & Methods:

1. Patient eligibility: Six implant surgeons will assist the experiment. The subjects are patient who will receive dental implant treatment in Dental department of NTUH. Sixty subjects are offered by six surgeons. They must fully fill the requirements as following

Study Type

Observational

Enrollment (Anticipated)

60

Contacts and Locations

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

Study Contact

Study Locations

  • Taiwan
      • Taipei, Taiwan, 100
        • Recruiting
        • Dept. of Dentistry, National Taiwan University Hospital
        • Contact:

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

30 years to 60 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • No major systemic diseases
  • Mouth opening: > 35 mm
  • Missing teeth at anterior or premolar area and willing to restored by implantation

Exclusion Criteria:

  • Uncomfortable or other condition occurring in the surgical procedure make the measuring unacceptable

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

Collaborators and Investigators

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

Sponsor

National Taiwan University Hospital

Investigators

  • Principal Investigator: Tong-Mei Wang, DDS, MS, National Taiwan University, School of Dentistry
  • Study Director: Li-Deh Lin, DDS, PhD, National Taiwan University, School of Dentistry

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

March 1, 2005

Study Registration Dates

First Submitted

September 12, 2005

First Submitted That Met QC Criteria

September 12, 2005

First Posted (Estimate)

September 15, 2005

Study Record Updates

Last Update Posted (Estimate)

June 6, 2008

Last Update Submitted That Met QC Criteria

June 5, 2008

Last Verified

February 1, 2005

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 9361701264

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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