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NCT00172718 Clinical Trial

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

Jaw, Edentulous, Partially Clinical Trial

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

Clinical Trial Details — Status: Recruiting

Administrative data
NCT number NCT00172718
Other study ID # 9361701264
Secondary ID
Status Recruiting
Phase N/A
First received September 12, 2005
Last updated June 5, 2008
Start date March 2005

Study information
Verified date February 2005
Source National Taiwan University Hospital
Contact Tong-Mei Wang, DDS, MS
Phone 886-2-23123456
Email tongmei@ha.mc.ntu.edu.tw
Is FDA regulated No
Health authority Taiwan: Department of Health
Study type Observational

Clinical Trial Summary

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.

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

Recruitment information / eligibility
Status Recruiting
Enrollment 60
Est. completion date
Est. primary completion date
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 30 Years to 60 Years
Eligibility 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 Design

Time Perspective: Prospective

Related Conditions & MeSH terms

Locations
Country Name City State
Taiwan Dept. of Dentistry, National Taiwan University Hospital Taipei

Sponsors (1)
Lead Sponsor Collaborator
National Taiwan University Hospital

Country where clinical trial is conducted

Taiwan, 

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