United Kingdom, July 8 -- LeAnn Rimes suffered with "chronic pain" for years due to poor dental treatment.

The 42-year-old singer - who made headlines last month when her dental veneers fell out during mid-song during a concert - first had them at around the age of 16, before another dentist didn't bond the veneers correctly while redoing them at a later stage, which resulted in years of oral surgeries and multiple root canals.

Speaking to Flow Space magazine, she said: "I look at my pictures from that time, and my face was so different - it was just so swollen.

"Oh, it was awful. I was in chronic pain for, like, two-and-a-half years."

The Can't Fight The Moonlight singer previously revealed to her fans that she was diagnosed with hig...