Complex sentence: A Gutkha user can easily be identified by a prominent stained teeth ranging from mild yellowish-orange to reddish-black which is difficult to remove by normal brushing and needs the attention of a dentist.
Split into simpler sentences: A Gutkha user can easily be identified by a prominent stained teeth ranging from mild yellowish-orange to reddish-black. The stains are difficult to remove by normal brushing and usually need the attention of a dentist.