Temperature rise during photo-activated disinfection of root canals.

[en] The aim of this study was to determine whether it is safe to use photo-activated disinfection (PAD) during root canal treatment without heating the periodontal tissues. Root canals of 30 freshly extracted single-rooted teeth were prepared using ProFiles up to size ISO 40 and then filled with photo-sensitiser: tolonium blue (1.2 mg/l). The 635 nm diode laser was used with the manufacturer's endo-tip. Samples were irradiated for 150 s (output power 100 mW, approximate energy density 106.16 J/cm(2)). Temperatures were recorded at working length on the external root surface. After 150 s of PAD irradiation, the average temperature rise was 0.16 +/- 0.08 degrees C. All values were lower than the 7 degrees C safety level for periodontal injury. It was concluded that, regarding the temperature increase, the use of PAD in root canals could be considered harmless for periodontal tissues.

Disciplines :

Dentistry & oral medicine

Author, co-author :

Dickers, B.

Lamard, L.

Peremans, A.

Geerts, Sabine ; Université de Liège - ULiège > Département de science dentaires > Dentisterie conservatrice de l'adulte - Occlusodontie

Lamy, Marc ; Université de Liège - ULiège > Département de science dentaire > Prothèse amovible - Diagnostic oral

Limme, Michel ; Université de Liège - ULiège > Département de science dentaires > Orthodontie et pédodontie

Rompen, Eric ; Université de Liège - ULiège > Département de science dentaires > Chirurgie bucco-dentaire et parodontologie

De Moor, R. J.

Mahler, P.

Rocca, J. P.

Namour, Samir ; Université de Liège > Département de sciences dentaires > Département de sciences dentaires

Language :

English

Title :

Temperature rise during photo-activated disinfection of root canals.

Publication date :

January 2009

Journal title :

Lasers in Medical Science

ISSN :

0268-8921

eISSN :

1435-604X

Publisher :

Springer, Germany

Volume :

Issue :

Pages :

81-85

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 09 April 2009

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