Overview. Dental Assistant, Lakeland FL. Part-time Opening. Lake Gibson Dental Center is looking for a Dental Assistant to join our team. Work Schedule - Mondays and Tuesdays only from 7 : 30am-5 : 00pm. Why Heartland Dental. Heartland Dental believes that to provide exceptional lifetime care for patients, we must hire and grow team members who will support the business and clinical needs of each supported dental office and foster a strong team b...