Cosmetic dentistry makes your smile look more appealing to the people you interact with. This subconsciously increases your self-confidence. 2. Certain cosmetic dental procedures not only beautify the smile but also improve the functionality of the teeth. Appliances such as dental crowns and dental bridges have more of a functional advantage compared to the aesthetic benefit. 3. Procedures such as dental implants and dental bridges prevent a change in the facial shape as they replace the missing teeth.