Happy brand name created for any product or service that brings u a "smile" to one's face.
The name "MissionSmile" has 12 letters and three syllables. Established brands using three syllable names include Delicious, Adidas and Adobe.
Missionsmile.com is a .com domain. Dot com domains are the most prestigious top-level-domain in the world, used by famous websites like youtube.com. Owning a .com says that you own the word "MissionSmile" online.