Periodontal Dental Assistant. 3 Mondays per month - Travelling between 3 Office Locations. Androscoggin Dental Group, Lewiston, ME. Middle Bay Dental Associates, Brunswick, ME. Lifetime Dental Health, Windham, ME. Are you someone who values a positive work environment and being part of an exceptional team. Do you aspire to be part of a practice that is growing and strives to provide excellent patient care to our community. WorkWell Dental Group. ...