Viewing Study NCT00256945



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Study NCT ID: NCT00256945
Status: COMPLETED
Last Update Posted: 2010-01-06
First Post: 2005-11-20

Brief Title: Surface Roughness of a Dental Restorative Material and Biofilm Formation
Sponsor: Hadassah Medical Organization
Organization: Hadassah Medical Organization

Study Overview

Official Title: In Vivo Study of the Relationship Between Surface Roughness of a Dental Restorative Material and Biofilm Formation
Status: COMPLETED
Status Verified Date: 2007-12
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief 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 bracketsthen 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
Detailed 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 bracketsthen 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 twelve12 candidates It is our intention to check two materials in each candidate composite resin and polymethylmetacrylate

Study Oversight

Has Oversight DMC: None
Is a FDA Regulated Drug?: None
Is a FDA Regulated Device?: None
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: None