An internet-mediated investigation into the reported clinical use of rubber dam isolation by GDPs in the UK - part 1: factors influencing rubber dam use

Background There is a growing search for innovations in dental materials and instruments and, therefore, an increase need to optimize the instruments used in the absolute isolation. The gold standard procedure contributes significantly to the quality of restorative and endodontic procedures. Thus, the aim of the present study was to evaluate the radiopacity of polyethylene terephthalate polymer clamps and compare them to conventional metal clamps. Material and Methods The polyethylene terephthalate clamp was developed at the University of Uberaba (Patent application #PI0901719-4, Uberaba, MG, Brazil). Five polyethylene terephthalate clamps and five conventional metal clamps were used. The clamps were positioned, next to an aluminum scale, under the same phosphor plate to perform 3 radiographs. The locator cylinder was set perpendicular to the radiographic films at a focal length of 20 cm and set to 60 kVp and 0.06 seconds. After image processing, optical density values were read using DBWin 5.0.4 software. The mean of the 3 readings taken on each clamp was adopted as the radiodensity of the specimen. The differences between the groups were compared using Student’s t-test ( p <0.05). Results Polyethylene terephthalate clamps demonstrated significantly lower radiopacity than conventional metal clamps ( p <0.05). Conclusions Polyethylene terephthalate clamps have lower radiopacity when compared to conventional metal clamps. Key words: Rubber Dams, Dentistry, Operative, Endodontics.

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An internet-mediated investigation into the reported clinical use of rubber dam isolation by GDPs in the UK - part 1: factors influencing rubber dam use

Cited by 2 publications

References 14 publications

An internet-mediated investigation into the reported clinical use of rubber dam isolation by GDPs in the UK - part 2: clinical applications

An internet-mediated investigation into the reported clinical use of rubber dam isolation by GDPs in the UK - part 2: clinical applications

Polyethylene terephthalate clamps: Optimization in endodontic and restorative practices

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