Dr. Kim Ledermann, MSTop StoriesDental SpecialtiesThose aren’t baseballs: A N.Y. homeowner uncovers a mastodon jawA New York gardener’s "baseballs" were mastodon molars still seated in a complete fossil mandible.Practice SalesBuyer beware: What ‘active patient count’ really means in a practice saleHygiene ToolsConfession: I keep my flossers by my couch, in my car, and beside my computer ... and I tell patients to do the sameLegal IssuesDentist arrested for aggravated assaultDental HygieneDo this, and you may keep your hygienist from leaving