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Journal of Oral Science & Rehabilitation 18 Volume 2 | Issue 3/2016 A r g o n p l a s m a t r e a t m e n t o f t i t a n i u m i m p l a n t s Results Whentheculturebrothswereexaminedafterthe 72hincubation,notracesofbacterialcontamina- tionwerefoundforeithercontrolsortestimplants (Fig. 2). Conclusion Within the limits of this study, the data reported suggest that argon plasma technology could be used to pretreat implant fixtures immediately before their surgical placement without in- creasingtheriskofmicrobiologicalcontamination. However, additional microbiological and preclini- calstudiesshouldbeperformedtotesttheclinical applicability of this procedure. Competing interests The authors declare that they have no competing interests. Fig. 2 Fig. 2 Culture broths examined after the 72 h incubation. No traces of bacterial contamination were found for either controls or test implants. 1. Aronsson BO, Lausmaa J, Kasemo B. Glow discharge plasma treatment for surface cleaning and modification of metallic biomaterials. → J Biomed Mater Res. 1997 Apr;35(1):49–73. 2. Coelho PG, Giro G, Teixeira HS, Marin C, Witek L, Thompson VP, Tovar N, Silva NR. Argon-based atmospheric pressure plasma enhances early bone response to rough titanium surfaces. → J Biomed Mater Res A. 2012 Jul;100A(7):1901–6. 3. Giro G, Tovar N, Witek L, Marin C, Silva NR, Bonfante EA, Coelho PG. Osseointegration assessment of chairside argon-based nonthermal plasma-treated Ca-P coated dental implants. → J Biomed Mater Res A. 2013 Jan;101A(1):98–103. 4. Teixeira HS, Marin C, Witek L, Freitas A Jr, Silva NR, Lilin T, Tovar N, Janal MN, Coelho PG. Assessment of a chair-side argon-based non-thermal plasma treatment on the surface characteristics and integration of dental implants with textured surfaces. → J Mech Behav Biomed Mater. 2012 May;9:45–9. 5. Canullo L, Peñarrocha-Oltra D, Marchionni S, Bagán L, Peñarrocha-Diago MA, Micarelli C. Soft tissue cell adhesion to titanium abutments after different cleaning procedures: preliminary results of a randomized clinical trial. → Med Oral Patol Oral Cir Bucal. 2014 Mar;19(2):e177–83. 6. Canullo L, Peñarrocha D, Clementini M, Iannello G, Micarelli C. Impact of plasma of argon cleaning treatment on implant abutments in patients with a history of periodontal disease and thin biotype: radiographic results at 24-month follow-up of a RCT. → Clin Oral Implants Res. 2015 Jan;26(1):8–14. References