Figure 1.
![The viability of Streptococcus mutans cells was decreased after ultraviolet A (UVA) illumination. The viability of S mutans cells (4.8 × 106 colony-forming units [CFU]/mL) after 60 minutes UVA illumination for Ti (a) and for TiAg (b). The controls were covered with black cloth. Data are expressed as the mean ± standard deviation (SD). *;thStatistical significance compared with the control was noted at P < .05](https://allen.silverchair-cdn.com/allen/content_public/journal/angle-orthodontist/79/3/10.2319_012108-169.1/2/i0003-3219-079-03-0528-f01.gif?Expires=1716899729&Signature=MsIOv19Qa7pNkt~iLzi1HbnDMG-zLWCHelMdYeQm7B3JCXWPNvWnKRykPRxXMVX3mrl8nzQHviYAEU633lABr6Q~jwO-mrpRkLwA1KERpLIGhZ62Mq~thPcdZu0JlSGm9Q6AOCuxrJb390CfMQO~6vw8X8e6kr35mn8zpBcZsg8k-XIpvk5O9rB9XgSiCpyHGy-VMAXwUd95Lxxi526Mpa11zg31kcrvZDE6CvoxoaOz-FA1P7XsOURU3g4fA2iWclt1gfo1HtYvMc3XgkeiAMRgFnkJLxS88IQG1hYTASEV6Iq0ygOUASbHgGuFJBMpSZkEs6u~R4qxg1kxIR~wRw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
The viability of Streptococcus mutans cells was decreased after ultraviolet A (UVA) illumination. The viability of S mutans cells (4.8 × 106 colony-forming units [CFU]/mL) after 60 minutes UVA illumination for Ti (a) and for TiAg (b). The controls were covered with black cloth. Data are expressed as the mean ± standard deviation (SD). *;thStatistical significance compared with the control was noted at P < .05
