Henry J. Heim, 85, an orthodontist who practiced in in the District’s Tenleytown neighborhood for 43 years and was a past president of the D.C. Dental Society, died Sept. 12 at his home in Bethesda.

He had complications from a rare lung disease, said his son, Henry Heim Jr.

Dr. Heim, who retired from private practice in 2002, lectured at the dental schools of Georgetown and Howard universities.

He was a past national treasurer of the American College of Dentists and past chairman of the Washington chapter. He was a fellow of the International College of Dentists.

Henry Joseph Heim was a native of Hempstead, N.Y., and served as a Navy hospital corpsman in 1945 and 1946.

He was a 1950 graduate of the College of the Holy Cross in Worcester, Mass. He was a 1954 cum laude graduate of Georgetown University’s dental school and graduated in 1956 from Tufts University’s school of dental medicine in Massachusetts with a specialty in orthodontics.

He was a past regent of Georgetown University and past national chairman of the university’s alumni fund, among other Georgetown activities. He was a recipient of the university’s John Carroll medal, one of the highest awards for service to his alma mater.

His other memberships included the Catholic Church of the Little Flower in Bethesda, the Knights of Malta and the Friendship-Tenleytown Citizens Association, where he helped start a college scholarship fund.

He did volunteer work for So Others Might Eat and Malta House, an assisted-living home in Hyattsville.

Survivors include his wife of 58 years, Eileen Reckert Heim of Bethesda; five children, Catherine Ensslen of Jacksonville, Fla., Mary Sadick and Henry Heim Jr., both of Manassas, Julianne Huber of Frederick and Nancy Brown of Portland, Maine; a brother; and 18 grandchildren.

— Adam Bernstein