The Orange Juice is not part of the problem, a baby can drink orange juice every day, I can drink the juice of 30 oranges a day for 3 months per year with no ill results and I have seen people age 60 that could not stand 1 orange and after doing a 21 day orange juice fast be able to swallow 1/2 gallon fresh orange juice loving every swallow.
ODDS are your dental work is the problem, too close to your nerves, etc. Using the juice of 1 orange mixed with distilled water should cause zero effects on your teeth other than a healing effect.
You can use the tooth/gum powder formula and work on your gum/teeth health, but anything that GOD didn't put there, will always be a problem, not the orange juice. TRY APPLE JUICE, the theory is the same regardless the fruit juice used.