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Title: Thermal increment due to ErCr: YSGG and CO2 laser irradiation of different implant surfaces. A pilot study
Author: Gómez Santos, Laila
Arnabat Domínguez, Josep
Sierra Rebolledo, Alejandro
Gay Escoda, Cosme
Keywords: Implants dentals
Làsers en odontologia
Dental implants
Lasers in dentistry
Issue Date: 1-Sep-2010
Publisher: Medicina Oral SL
Abstract: Objective: An evaluation and comparison is made of the thermal increment at different implant surfaces during irradiation with CO2 and ErCr:YSGG lasers. Study design: Five threaded and impacted implants with four types of surfaces were inserted in an adult pig rib: two implants with a hydroxyapatite surface (HA)(impacted and threaded, respectively), a machined titanium surface implant (TI mach), a titanium plasma spray surface implant (TPS), and a sandblasted, acid-etched surface implant (SBAE). A 0.5-mm diameter bone defect was made in the implant apical zone, and a type-K thermocouple (Termopar)® was placed in contact with the implant. The implants were irradiated in the coronal zone of each implant with a CO2 (4 W continuous mode) and an ErCr:YSGG laser (1.5 W, pulsed mode) first without and then with refrigeration. The temperature variations at the implant apical surface were recorded. Results: An apical temperature increase was recorded in all cases during CO2 and ErCr:YSGG laser irradiation without refrigeration. However, when the ErCr:YSGG was used with a water spray, a decrease in temperature was observed in all implants. The acid-etched and sandblasted surfaces were those most affected by the thermal changes. Conclusions: The ErCr:YSGG laser with a water spray applied to the sealing cap or coronal zone of the implants does not generate thermal increments in the apical surface capable of adversely affecting osseointegration and the integrity of the peri-implant bone tissue
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It is part of: Medicina Oral, Patología Oral y Cirugia Bucal, 2010, vol. 15, num. 5, p. 782-787
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ISSN: 1698-4447
Appears in Collections:Articles publicats en revistes (Odontostomatologia)

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