I have been a fan of Gluma Desensitizer by Heraeus for many years. My routine with the liquid was to apply using a micro brush following etching. I would allow the Gluma liquid to sit against the dentin for 30 seconds or more. Following this I would blot dry with a cotton pellet, until I had removed all of the surface liquid.
Recently they came out with a new formulation and delivery system called Gluma Power Gel . I was taken aback when I read the package instructions, which direct you to rinse the product off the tooth after it has been scrubbed for 30 to 60 seconds. Uneasy with this, as I wondered at how much of the effectiveness I was removing by rinsing I went in search of an answer.
I arranged a call with one of Heraeus’s scientists in Germany and had my answer. The research shows clearly that after 30 seconds the active ingredients have penetrated the dentinal tubules, and rinsing will not disturb this. He assured me that if I felt I could adequately remove the excess with dry cotton pellets, I could continue to do that as well. Given the choice I am now rinsing it off with confidence.
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