Lance Thomas thought his teeth were falling out after brutal hit

INDIANAPOLIS — Lance Thomas has a new mask fitting just right but won’t suit up until his headaches go away.

Thomas confirmed he wasn’t diagnosed with a concussion but is nursing a lingering headache due to the fractured orbital bone suffered eight days ago in Toronto by a wild Jonas Valuncianis elbow to the face.

In passing the concussion protocol twice, Thomas is good to go but can’t workout diligently until his head feels better.

“I’m getting my headaches from the actual fracture,’’ Thomas said Monday before the Knicks faced the Pacers. “It’s in a tight spot. A lot of pressure in the area is causing it. It’s getting better. Once it goes away I can do more things with conditioning. Until it…