Sun Dental Holdings LLC wants investors to bite on a capital raise that would give it money to expand. The St. Petersburg-based dental technology and device manufacturing company hopes to raise between $5 million and $20 million, according to a filing with the U.S. Securities and Exchange Commission. Sun Dental, which uses digital technology to make crowns, bridges, implants, dentures and orthodontics, said it would use the money to buy additional digital manufacturing equipment and to acquire...