What is omnicam and who is Otis?
Word is spreading about “One appointment crowns” but what are they exactly? Enter Cerec Omnicam, or “Otis” as we like to call him. This computer uses CAD-CAM technology to create beautiful, life-like restorations such as crowns, onlays, bridges, and veneers. The technique was developed in Germany over 30 years ago. The name Cerec is an abbreviation for CEramic REConstruction and the trade name Cerec is a brand name of the Sirona company. OK history lesson over!
How can Otis make your life better?
Cerec technology allows Dr. Bertoglio to fix your tooth in one visit. In 2 hours or less she can take a broken tooth, failed filling, or old crown and restore it to it’s proper function. If you have ever had a crown done, or know someone who has, you know that the old way is not the easy way. Traditional lab fabricated crowns are made by preparing the tooth, taking an impression with a big tray and bad tasting impression material, and going home with a temporary crown that can fall off and be uncomfortable. 2-3 weeks later the lab crown is fitted, and if the lab created a nice fitting crown it is cemented. SO what Cerec does for you is take a 3 week process with several visits to the dentist and turn it into a single visit process taking 2 hours or less. NOW, we know you all live busy lives and time is your most important asset. And we at the Toothery know you love it here, but why would you spend more time here than you have to? Enter Cerec Omnicam and Otis. More time = happy people!
What is the Cerec crown made of and will it last?
Cerec crowns are made of silicate ceramics. Similar properties to your china plates and cups – only stronger! This material has a very high compression strength – perfect for chewing! It is ceramic, with no metal so it is completely tooth colored, life-like, and beautiful!!! With a track record of 95% long term success (equivalent to lab created crowns) why would you go any other way?
What is the process?
After an exam and proper diagnosis, Dr. B prepares the tooth for the crown. This often involves removing an old restoration and caries (tooth decay). When the tooth is prepared a digital impression is taken using a high resolution camera that actually takes a live stream video. Wow – sounds like the camera must be huge right? No it is not. It is the size of an average finger in width and diameter. After the tooth is imaged, Dr. B works with Otis to design the crown. Using this computer aided design allows her to create perfect anatomy and contours of the new restoration. When the crown is ready to be made, Otis communicates with the milling unit which is a 3D printer for your crown! In 10-15 minutes the crown is milled out of a block of porcelain. After milling, Dr. B uses stain and glaze to add characteristic stains, lines, and shine (did you know that all teeth naturally have stains and cracks – called craze lines). The crown is cemented with something called “multilink” a resin based cement that bonds to both the crown and your tooth. Using a combination of chemical and micromechanical bonding, the crown is put in place and light cured to fully set up and bond to the tooth. Voila! A new tooth. In 2 hours not 2 weeks. And it is beautiful and functional to boot!
As a side note, in times in extreme esthetic needs, such as front teeth, Dr. Bertoglio still uses the lab technician to help her create beautiful restorations. Often a challenge to match the perfect color and characterization on front teeth, Dr. B will often request the patient to meet the lab technician for a custom matching session for a perfect result!