Apply to Sales Representative, Associate Dentist, Sales Associate and more! Whether you're looking to buy or sell a dental office or equipment, our dental classified ads connect buyers and sellers locally and around the world.If the sale occurred in 2022, both the buyer and seller must fill out form 8594 and attach it to their respective federal tax returns for 2022. Welcome to our Practice Opportunities. In this section, we feel you will find the largest and most extensive practice opportunities in the Upper Midwest. Find dental practices for sale in Minnesota. Get expert guidance from trusted ADS dental brokers. Delta Dental of Minnesota provider forms for claims and remittance, dental office support, participation agreements and government programs. Find a Dental Practice for Sale. Search our directory of dental practice listings and find an established dental office to fit your needs. State.