EUROPEAN JOURNAL OF
PHARMACEUTICAL AND MEDICAL RESEARCH

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

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 ISSN 2394-3211

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 ICV - 79.57

Abstract

DIMENSIONAL ACCURACY OF VARIOUS IMPRESSION MATERIALS AND TECHNIQUES OF DENTAL IMPLANT AT SECOND STAGE SURGERY- A COMPARATIVE STUDY

Dr. Nimra Mehraj* and Dr. Rofadun Nisa

ABSTRACT

Introduction: For long term clinical success of the implant prosthesis, fabrication of precisely fitting implant-retained prostheses is of great importance. Several impression techniques using different impression materials have been suggested to ensure the passive fit of a prosthesis on osseointegrated implants. Thus, a study to compare the dimensional accuracy among different impression materials using different impression techniques was undertaken. Material and method: A master stainless framework with 3 internal hex implants was fabricated and used to generate the samples. This assembly was duplicated in lab duplicating silicone and all the trays were fabricated on this duplicated silicone die using light cure acrylic resin. Samples were divided into 9 groups each having 5 samples. Impressions using all the techniques and materials were carried and were poured in type IV gypsum product. The master cast thus generated was then used to measure the interimplant distance using stereomicroscope and an image analyzing software, Material Plus pro. Result: The mean difference was found to be statistically not significant (p-value>0.05) for the material and techniques taken together. Whereas the result was statistically significant (p-value<0.05) when the materials and techniques were taken separately. Conclusion: Polyvinylsiloxane-polyether Hybrid impression material and Open tray Non Splinted technique gives best replication of the implant positions on the master cast and the use of this combination is encouraged whereas Polyvinylsiloxane impression material and Closed tray technique results in a large mean difference in interimplant distance and thus should be avoided as far as possible for the use of implant impressions.

Keywords: POLYVINYLSILOXANE; POLYETHER, HYBRID IMPRESSION MATERIAL; CLOSE TRAY TECHNIQUE; OPEN TRAY TECHNIQUE.


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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI )