Full Answer. 1  Stop smoking To help reduce additional tobacco stains or to prevent newly whitened teeth from becoming discolored again, stop smoking. Smoking leads to many oral health problems, including gingivitis and oral cancer, and quitting reduces these risks and prevents staining.
The dinosaur species featured in the show are actual dinosaurs discovered by paleontologists. Dinosaur Train is co-produced and animated by Sparky Animation Studios in Singapore, with casting by Vidaspark and voice-overs recorded at Kozmic Sound in Vancouver, British Columbia, Canada.
Valley of the Dinosaurs. Valley of the Dinosaurs is a 30-minute Saturday morning animated series produced by the Australian studios of Hanna-Barbera Productions and broadcast on CBS from September 7 to December 21, 1974.