March 1983 Issue [Harper’s Journal] Gum control Adjust Share by David Owen, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Dental economics Paul H. Keyes Periodontal disease Treatment United States More from David Owen Life After Trump Reality after trump Tabloids after trump Movies after trump Relationships after trump Manners after trump Imagination after trump Gold after trump Conversation after trump Punctuation after trump Apologies after trump… Ecstasy in Liverpool Shrine-hopping in the Holy Land of rock-and-roll The soul of a new dessert On the cutting edge of pudding technology Adjust Share