Leone, Angelo, Francesco Cappello, Giuseppe Bonaventura, and Maria Buscemi. 2011. “Does Orthodontic Treatment Induces Dental Pulp Cellular Death? Caspase-3 and-9, HSP60 and Tunel Expression”. Italian Journal of Anatomy and Embryology 116 (2):99. https://oajournals.fupress.net/index.php/ijae/article/view/4673.