What is the Difference Between Total FX and SmartXide Dot Therapy?

I have acne scarring and was introduced to the Total FX Fraction CO2 laser resurfacing for treatment of the scarring. More recently, I was also told about the SmartXide DOT Therapy C02 Laser Resurfacing treatment. What are the differences in these two and which one is better and what are the pros and cons of each treatment. Thank you!

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