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ORIGINAL ARTICLE
Year : 2017  |  Volume : 9  |  Issue : 5  |  Page : 132-137

An evaluation of the effect of various gloves on polymerization inhibition of elastomeric impression materials: An In vitro study


1 Department of Prosthodontics, KLE VK Institute of Dental Sciences, Belgaum, Karnataka, India
2 Department of Prosthodontics, College of Dental Sciences, Davanagere, Karnataka, India
3 Department of Prosthodontics, Yenepoya Dental College, Yenepoya University, Mangalore, Karnataka, India

Correspondence Address:
Vinuta Hiremath
Department of Prosthodontics, KLE VK Institute of Dental Sciences, Belgaum, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jpbs.JPBS_122_17

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Background: Latex protective barriers such as gloves and rubber dam material have been used widely in restorative procedures for crown and bridge. However, the chemical used during latex glove fabrication is thought to inhibit the polymerization of elastomeric impression materials used for impression making which has a detrimental effect on the dimensional accuracy and surface definition of resultant casts used for restorative procedures. The objectives of the study were to examine the surface of different elastomeric impressions on contact with various gloves. Materials and Methods: This clinical study included a total of eighty specimens of two types of the putty elastomeric impression material were hand manipulated by wearing three different gloves materials and is placed on a marked area of a clean and alcohol-treated glass slab at room temperature. The specimens examined for any signs of polymerization inhibition. The specimen will be rated as being “inhibited” if any residue remains on the glass slab and absence of the above will result as “no inhibition.” Results: The results showed no interference with the polymerization inhibition of the selected elastomers followed by the nitrile glove. The latex gloves showed inhibited set of the elastomeric impression material but set after sometime confirming time-dependent inhibition of the impression material. Conclusion: This study shows that the use of latex and sometime nitrile gloves during crown and bridge procedures should be contraindicated and the use of vinyl gloves should be stressed when working with elastomeric impression materials.


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