Align Technology (NASDAQ: ALGN), the company behind the Invisalign system of clear aligners, reported a whopping $1.0 billion in topline revenue during the second quarter. Let's take a closer look to find out if Align Technology is a good buy right now. Customers who want to get fitted for Align Technology's clear aligners generally require more interaction in an actual dentist's office than its biggest competitor in the tooth alignment space, SmileDirectClub (NASDAQ: SDC).