期刊
LASERS IN MEDICAL SCIENCE
卷 37, 期 1, 页码 381-390出版社
SPRINGER LONDON LTD
DOI: 10.1007/s10103-021-03265-6
关键词
Titanium surface; Dental implants; Biofilm control; Er; YAG laser; Enterococcus faecalis; Photoacoustic irrigation; Er; YAG-SSP
资金
- Lifelong Learning Programme/ERASMUS of the European Commission
- Slovenian Research Agency [P4-0116]
By utilizing Er:YAG-SSP photoacoustic irrigation, biofilm removal rate on titanium surfaces can be significantly increased in non-contact mode without the use of abrasives or chemicals, while also decreasing the number of viable bacteria remaining on the surface.
Biofilms that grow on implant surfaces pose a great risk and challenge for the dental implant survival. In this work, we have applied Er:YAG photoacoustic irrigation using super short pulses (Er:YAG-SSP) to remove biofilms from the titanium surfaces in the non-contact mode. Mature Enterococcus faecalis biofilms were treated with saline solution, chlorhexidine, and hydrogen peroxide, or photoacoustically with Er:YAG-SSP for 10 or 60 s. The number of total and viable bacteria as well as biofilm surface coverage was determined prior and after different treatments. Er:YAG-SSP photoacoustic treatment significantly increases the biofilm removal rate compared to saline or chemically treated biofilms. Up to 92% of biofilm-covered surface can be cleaned in non-contact mode during 10 s without the use of abrasives or chemicals. In addition, Er:YAG-SSP photoacoustic irrigation significantly decreases the number of viable bacteria that remained on the titanium surface. Within the limitations of the present in vitro model, the ER:YAG-SSP seems to constitute an efficient therapeutic option for quick debridement and decontamination of titanium implants without using abrasives or chemicals.
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