Online OnlyPubMed-ID: 19898708Seiten: 880, Sprache: EnglischLeal, Rosana Maria / Santiago, Mônica de Oliveira / Silveira, Frank Ferreira / Nunes, Eduardo / Capistrano, Herminia MarquesThis article reports a case of periapical cemental dysplasia affecting the mandibular incisors in 38-year-old twin sisters. The major concern is failure to recognize the nature of the lesion, which may result in unnecessary root canal treatment or extractions on the assumption that the lesion represents inflammatory periapical pathosis.