Sugar Bear's extreme makeover can continue unabated, because we've learned he doesn't have gum cancer ... but he will be getting a tumor removed just to be safe.
We're told SB went to a cancer specialist, Dr. Babak Larian, who performed a biopsy and the results came in Wednesday, revealing a benign tumor on his salivary gland. There's a chance it could turn cancerous, so he'll go under the knife next month to take it out.
TMZ broke the story ... SB was all set for a dental makeover when his dentist discovered 2 small white spots on his bottom gum, sounding an alarm bell. There was reason for concern -- Sugar Bear chewed tobacco for more than 12 years, a habit that caused his teeth to rot.
When it's all said and done, he'll undergo a hair transplant, filler, liposuction, Botox, tummy tuck, a new haircut and a fresh shave. He's also set to get some new chompers, but that's on hold until his mouth totally heals.