[Cartilage cell stimulation with low-power laser: experimental assessment].
The aim of this study was to verify the effects of laser therapy performed with Ga-Al-As diode laser (780 nm, 2500 mW) on cartilage cells in vitro. The cartilage sample used for biostimulation was taken from the knee of an adult patient. The cultures were divided into four groups: Groups I, II, III were subjected to biostimulation with different laser parameters; Group IV did not received any treatment. The laser biostimulation was conducted for five consecutive days. At the end of the treatment, cell count and MTT tests were performed to assess cell metabolism. The data showed good results in terms of cell viability in the groups treated with laser biostimulation compared to the untreated group. The results obtained with the use of this new low-power diode laser Ga-Al-As device in the biostimulation of the cartilage tissue, permits us to consider the use of this device clinically.
Guzzardella
G A
GA
Servizio di Chirurgia Sperimentale Istituto di Ricerca Codivilla-Putti-I.O.R. Cattedra di Fisiopatologia Chirurgica, Facoltà di Medicina e Chirurgia, Università di Bologna.
Torricelli
P
P
Fini
M
M
Morrone
G
G
Giardino
R
R
D000328:Adult; D002356:Cartilage / Q000166:cytology* / Q000528:radiation effects*; D002452:Cell Count; D002455:Cell Division; D002478:Cells, Cultured; D006801:Humans; D007834:Lasers