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Surface Roughness of a Dental Restorative Material and Biofilm Formation

Diabetic Clinical Trial

Official title:
In Vivo Study of the Relationship Between Surface Roughness of a Dental Restorative Material and Biofilm Formation

Clinical Trial Summary

In this study we intend to find out the pattern of biofilm accumulation in vivo on various surface finishings.

Our intention is to prepare Polymethylmetacrylate squers on orthodontical brackets,then prepare the surface of the sample and measure the surface roughness with a profilimeter and get the mean value in Ra units, then place the brackets on lower premolars and molars for 12 hours, remove them and examine the biofilm formed with confocal scanning microscope.

Clinical Trial Description

Several studies in the past to assess the effects of surface roughness on the amount of plaque accumulation in vitro, whereas only few performed a modern in vitro assessment of the plaque accumulation. In this study we intend to find out the pattern of biofilm accumulation in vivo on various surface finishings.

Our intention is to prepare Polymethylmetacrylate squers on orthodontical brackets,then prepare the surface of the sample and measure the surface roughness with a profilimeter and get the mean value in Ra units, then place the brackets on lower premolars and molars for 12 hours, remove them and examine the biofilm formed with confocal scanning microscope.

Statistical evaluation of pilot study determined the need to perform this research on twelve(12) candidates. It is our intention to check two materials in each candidate: composite resin and polymethylmetacrylate. ;

Study Design

Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Single Blind, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00256945
Study type Interventional
Source Hadassah Medical Organization
Contact
Status Completed
Phase Phase 1
Start date January 2005
Completion date August 2006
View Details
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