Evaluation of temperature rise following the application of diode and ErCr:Ysgg lasers: an ex vivo study

Year 2018, Volume: 52 Issue: 3, 131 - 136, 01.09.2018

Alper Sindel Olgu Nur Dereci Mükerrem Hatipoğlu Öznur Özalp Burak Kocabalkan Adnan Öztürk

Abstract

DOI: 10.26650/eor.2018.479

Purpose

Erbium, chromium: yttrium, scandium,
gallium, garnet (ErCr:Ysgg) lasers have been frequently used in oral surgical
procedures and are almost seen as alternatives to diode lasers. The aim of this
comparative study was to analyze in an animal model the thermal elevation
induced by ErCr:Ysgg and diode lasers in soft tissue and bone.

Materials and methods

Thirty freshly dissected sheep mandibles
containing bone and soft tissue were divided into 120 equal parts.  Gallium-aluminum-arsenide (Ga-Al-As) diode
laser (λ=940 nm) with 1, 2 and 5 W output powers and ErCr:Ysgg laser (λ=2780 nm) with 2.75, 4.5 and 6 W output powers were used on soft and
bone tissues separately for 3 seconds with point application. Mean temperature
values before and after application of the lasers were compared in soft tissue
and bone.

Results

The minimum mean temperature value was
observed with 2.75 W ErCr:Ysgg laser 
while irradiation with 5 W diode laser created the maximum values
(p<0.05).

Conclusion

ErCr:Ysgg laser (λ=2780
nm) with 2.75 W power generates low levels of heat compared to diode  lasers and may provide safer surgery in soft
and bone tissues without destructive effects of temperature increase.

Keywords

Bone; diode laser; ErCr:Ysgg lasers; soft tissue; temperature rise

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