Oral management of two sisters with pycnodysostosis Maxime Desmyttere, Marie De Boutray, Bernard Levallois, Jacques-Henri Torres and Marie-Alix Fauroux Med Buccale Chir Buccale, 23 3 (2017) 139-145 Published online: 01 November 2017 DOI: 10.1051/mbcb/2016060