Impression & Prosthesis Quality Made From Different Polyvinylsiloxane Impression Techniques
NCT ID: NCT05938400
Last Updated: 2023-12-12
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
62 participants
INTERVENTIONAL
2023-07-02
2023-09-30
Brief Summary
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Detailed Description
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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.
Conditions
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Keywords
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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One step polyvinylsiloxane impression technique
All impressions in this group will be recorded in a single stage, mixing light-bodied PVS material and putty PVS material simultaneously and recording of impression of prepared tooth
Polyvinylsiloxane impression with different techniques
One step impression technique will be compared with the standard two step technique
Two step polyvinylsiloxane impression technique
All impressions in this group will be made in two stages, recording putty PVS impression first and then reloading it with light-bodied PVS material to record final impression.
Polyvinylsiloxane impression with different techniques
One step impression technique will be compared with the standard two step technique
Interventions
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Polyvinylsiloxane impression with different techniques
One step impression technique will be compared with the standard two step technique
Eligibility Criteria
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Inclusion Criteria
* Good oral hygiene
* Sound abutment tooth (vital/non-vital)
Exclusion Criteria
* Long span bridges (Greater than 3 units)
* Patients with bleeding disorders
* Cases indicated for resin-bonded prosthesis
18 Years
60 Years
ALL
Yes
Sponsors
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Dow University of Health Sciences
OTHER
Responsible Party
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Humera Nasim
Lecturer (Prosthodontics department), Principal investigator
Locations
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Dow University of Health Sciences
Karachi, Sindh, Pakistan
Countries
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Other Identifiers
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2932
Identifier Type: -
Identifier Source: org_study_id