Happy brand name created for any product or service that brings u a "smile" to one's face.
MissionSmile has 12 characters and three syllables. Three syllable names are used by established brands like Santander, Mastercard and Verizon.
Missionsmile.com is a dot com domain. Dot com domains are the most valued top-level-domain in the world, famously used by websites like facebook.com. Once you own a dot com, it will be much easier to rank for your own name in Google.