dr. mark adams, a prosthodontist in denver, colorado. dr. adams, let's start by asking, where are clearchoice dental implant centers, and what makes them so unique? >> shari, we have 30 centers throughout the united states. we're all the way from the east coast to the west coast. we go deep into texas. we're in the midwest. we have centers all over the u.s. i think what makes us special are several items. one is our doctor network. we have over 60 specialists -- oral surgeons and prosthodontists -- that have a unique and very experienced knowledge base. this is all we do, is place implants. that gives us a lot of experience in the area of dental implants. we treat the very simple cases. we treat the very complex situations, as well. secondly, we're unlike regular dental offices in that we have everyone in one location. we have all the specialties, so actual restorative, as well. we have our own on-site dental laboratory where we can actually make the teeth. that's a very unique set of circumstances. and lastly, i think the thing that really