Abstract
Purpose: The purpose of this study was to evaluate the temperature gradient (ΔT) generated by laser irradiation of an implant surface using a carbon dioxide (CO 2) and an Erbium:yttrium aluminium garnet (Er:YAG) laser. Materials and Methods: A dental implant was irradiated with a CO 2 and an Er:YAG lasers, with variable power settings. Temperature increase was measured in 2 locations of the implant surface: in the cervical area (ΔTc) and in the apical area (ΔTa). Results: The CO 2 laser showed the following results: after 60 seconds of irradiation with continuous mode, ΔTc was 13.9°C and ΔTa was 12.5°C. The Er:YAG laser showed the following results: after 60 seconds of irradiation with continuous mode, the temperature rise ΔTc was 50.6°C and ΔTa was 38.6°C. The CO 2 laser with continuous mode generated a temperature increase of 10°C after only 36 seconds. The Er:YAG laser with continuous mode produced a more rapid temperature increase and took only 10 seconds to reach the critical threshold. Conclusions: The irradiation of implant surfaces with CO 2 and Er:YAG lasers may produce a temperature increase above the critical threshold (10°C) after 10 seconds of continuous irradiation.
| Original language | English |
|---|---|
| Pages (from-to) | 379-382 |
| Number of pages | 4 |
| Journal | Implant Dentistry |
| Volume | 20 |
| Issue number | 5 |
| DOIs | |
| State | Published - Oct 2011 |
Keywords
- CO laser
- Er:YAG laser
- dental implants
- laser irradiation
- temperature increase
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