1. Los Angeles-based West Coast Dental & Orthodontics opened a new practice in Ontario, Calif.
2. Jonesboro, Ark.-based GPS Dental added practices in Washington, Arizona and Oregon to its network.
3. Gentle Dental, a brand of Inglewood, Calif.-based InterDent, opened a practice location in North Las Vegas, Nev.
4. Denver-based Espire Dental acquired Sauvage, a five-location dental practice based in Seattle. It also acquired Tranquility Dental Wellness, a four-location dental practice based in the Tacoma and Olympia areas of Washington.