Dentistry is important for both oral health and appearance. There are many branches of dentistry including general dentistry, endodontics, oral surgery, orthodontics, pediatric dentistry, periodontics, and prosthodontics. Each branch focuses on different areas of the mouth and teeth. Dentistry has evolved significantly over thousands of years from early practices by ancient Egyptians to modern developments like dental x-rays, fillings, and toothpaste.