Crowded, irregular, and protruding teeth were a problem for people even in ancient times, and attempts at therapy date back to at least the eighth century B.C.E.
दंत - चिकित्सा की वह शाखा जिसके अंतर्गत ऐसी समस्याओं का इलाज किया जाता है दंत - शोधन (ऑर्थोडॉनटिक्स) कहलाती है ।