1. Dental electronic data interchange company DentalXChange acquired dental software company ExtraDent.
2. Sonrava Health completed its acquisition of Plymouth Meeting, Pa.-based DSO Mid-Atlantic Dental Partners.
3. Abra Health, an integrated dental and medical provider, purchased a multispecialty dental practice in Kearny, N.J.
4. New Hyde Park, N.Y.-based Premier Care Dental Management acquired Coventry, R.I.-based Eric George, DMD & Associates.
5. Sun Life Financial, a global financial services firm, completed its acquisition of DentaQuest, a dental benefits provider.
