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

This study is currently recruiting patients

Verified by National Taiwan University Hospital February 2005

Sponsored by: National Taiwan University Hospital
Information provided by: National Taiwan University Hospital
ClinicalTrials.gov Identifier: NCT00172718


Purpose

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.


Condition
Jaw, Edentulous, Partially
Mouth, Edentulous

Study Type: Observational
Study Design: Screening, Longitudinal, Defined Population, Prospective Study

Official Title: 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

Further study details as provided by National Taiwan University Hospital:

Expected Total Enrollment:  60

Study start: March 2005

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

Eligibility

Ages Eligible for Study:  30 Years   -   60 Years,  Genders Eligible for Study:  Both

Accepts Healthy Volunteers

Criteria

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

Location and Contact Information

Please refer to this study by ClinicalTrials.gov identifier  NCT00172718

Tong-Mei Wang, DDS, MS      886-2-23123456  Ext. 6864    tongmei@ha.mc.ntu.edu.tw

Taiwan
Dept. of Dentistry, National Taiwan University Hospital, Taipei,  100,  Taiwan; Recruiting
Tong-Mei Wang, DDS, MS  886-2-23123456  Ext. 6864    tongmei@ha.mc.ntu.edu.tw 

Study chairs or principal investigators

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

More Information

The faculty & staff of NTUH Dept. of Dentistry

Study ID Numbers:  9361701264
Last Updated:  November 2, 2005
Record first received:  September 12, 2005
ClinicalTrials.gov Identifier:  NCT00172718
Health Authority: Taiwan: Department of Health
ClinicalTrials.gov processed this record on 2006-10-02





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