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Impression & Prosthesis Quality Made From Different Polyvinylsiloxane Impression Techniques

Endodontically Treated Teeth Clinical Trial

Official title:
Clinical Evaluation of Impressions Made Using One Step & Two Step Polyvinylsiloxane Impression Techniques and Resulting Fixed Prosthesis-A Randomised Controlled Trial

Clinical Trial Summary

This randomized controlled trial is to clinically assess and compare impression quality of polyvinylsiloxane impression material using one step (experimental) and two step (control) impression techniques and its effect on marginal fit of prosthesis and proximal contact of prosthesis.

Clinical Trial Description

Study participants will be randomly allocated to either of the two groups (experimental or control) through software-generated random numbers. Indicated tooth will be prepared to receive a fixed prosthesis under local anesthesia as per standard guidelines. Polyvinylsiloxane (PVS) impressions will be recorded in stock tray after moisture control, according to the assigned group. In experimental group, light body and putty PVS will be mixed simultaneously and placed in stock tray to record impressions in single stage. In control group, a putty PVS impression will be recorded first in stock tray and allowed to set. After setting of putty PVS, light-bodied PVS material will be applied to recorded impression surface and reseated in mouth to record final impression in second stage. All impressions will be disinfected according to the recommended guidelines. All impressions will then be assessed by a senior clinician using 3.5 x magnification loupe and graded according to the selected criteria. Impressions will then be poured in dental stone and prosthesis will be manufactured in dental lab. Participants will be recalled for prosthesis trial and fit assessment of prosthesis margins using a dental explorer instrument and visual evaluation. Proximal contact of prosthesis will be graded according the criteria and assessed using dental floss. Satisfactory prostheses will be cemented after final adjustments. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05938400
Study type Interventional
Source Dow University of Health Sciences
Contact
Status Completed
Phase N/A
Start date July 2, 2023
Completion date September 30, 2023
View Details
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