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

Impact Factor: 7.065

 ICV - 79.57

Abstract

EVALUATION OF BIOCOMPATIBILITY OF ORTHODONTIC RETAINERS

*Dr. Kalyani K. Manwatkar, Dr. Jai Prakash Mongia, Dr. S. P. Gupta, Dr. Danyasi Ashok Kumar, Dr. Yogesh Mahobia, Dr. Soumya Gupta and Dr. Rakshit Sthapak

ABSTRACT

It is in the clinician’s interest to select the least hazardous devices and materials among the many offered by manufacturers. The polymer chosen is important; some polymers have been reported to be hazardous, and these are quite often used in direct contact with human tissues. Long-term studies testing the biocompatibility of these material (acrylic and bioplastic sheet) are not available. The aim of the study is to analyse the leachable monomers, polymers and dilatational products from retainer materials. Materials and Methods: Using the oxidation reduction reaction taking place in the presence of two different concentrations of potassium permanganate and distilled water separately, three different samples of different companies were tested. The sequence of colour change from purple to red to brown to yellow to clear was used to determine the amount of leaching. This is the result of a stoichiometric relation between the oxidizing agent and the reducing sample. Colour changes were observed through naked eyes over a period of 24 h. Photographs were taken at 15 min, 8 h and 24 h using D-SLR1000 Canon camera. Photos were evaluated separately. Result: Using oxidation reduction reaction colour changes were observed visually and the amount of colour change and leaching showed heat cure>cold cure>bioplastic sheet. Conclusion: The release of BPA and the leaching of monomers, such as Bis-GMA and TEGDMA, is a well-demonstrated phenomenon in oral conditions, which requires special clinical handling and further research.

Keywords: Orthodontic retainers, biocompatibility, polymer.


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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 ) Scope Database Academia