Influence of biosafety materials of the laser output power
| Autor: | Fernanda Cristina Nogueira Rodrigues, Taís Fonseca Mantilla, Júlia Gomes Lúcio de Araújo, Andréa Dias Neves Lago, Patricia Moreira de Freitas, Erika Michele dos Santos Araújo |
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| Rok vydání: | 2019 |
| Předmět: |
Materials science
Infrared Rays Dermatology law.invention 030207 dermatology & venereal diseases 03 medical and health sciences Biosafety chemistry.chemical_compound 0302 clinical medicine Interference (communication) law Electricity meter Humans Polyvinyl Chloride Close contact business.industry Lasers 030206 dentistry Polyethylene Containment of Biohazards Laser Power (physics) Wavelength chemistry Optoelectronics Surgery business |
| Zdroj: | Lasers in medical science. 36(2) |
| ISSN: | 1435-604X |
| Popis: | Biosafety materials used in the correct handling of low power laser equipment may interfere on the power delivered at the target tissue and, possibly, on the effects on biological tissues. The aim of this study was to evaluate the interference of the use of polyvinyl chloride (PVC) and polyethylene (PEAD) protection materials on the output power of low power lasers. Two low power diode laser devices with different wavelengths (red and infrared) were used. For each wavelength, two protection materials and two evaluation times (before and after protection) were considered. The output power (mW) was measured with the tip positioned in close contact with the power meter receiver. Parametric statistical test, two-way ANOVA for repeated measures (protection material and time), was performed considering the level of significance of 5%. In respect to “time”, all groups had the output power reduced after placing the protective material (p |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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