Effect of Various Laser Wavelengths on Temperature Changes During Periimplantitis Treatment: An in vitro Study

Implant Dentistry
Abbas MonzaviNasim Chiniforush

Abstract

This study aimed to investigate and compare temperature change during implant decontamination with different laser types (carbon dioxide [Co2]/diode/neodymium-doped yttrium aluminum garnet [Nd:YAG]/erbium-doped yttrium aluminum garnet [Er:YAG]/antimicrobial photodynamic therapy [aPDT]). Sixty implants were inserted into a bone block cut from a sheep's mandible. A 3 × 8 mm vertical lesion was made at the buccal of each implant. The bone block was placed into a 37°C water bath to simulate the in vivo oral condition. A K-type thermocouple was placed in contact with the implant to register temperature changes at 3 points (apical/middle/coronal). In the entire laser irradiations, the mean of temperature changes remains below 10°C. The apical temperature rise was higher than the coronal and middle regions (P < 0.05), and the apical temperature took longer time to reach the initial temperature (37°C) (P < 0.001). Temperature changes over 10°C occurred at the apical point of the implants with the Co2, Nd:YAG, and diode laser irradiations; however, only the Co2 laser reached the statistical significance in this regard (P < 0.05). Our findings indicate the promising results of Er:YAG laser and aPDT in implant decontamination. Precaution ...Continue Reading

References

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Citations

Aug 8, 2019·The Journal of Oral Implantology·Nick CaplanisHamilton Sporborg
Dec 5, 2020·Clinical and Experimental Dental Research·Peter FahlstedtKnut N Leknes

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