%0 Journal Article %T Massive Cervicothoracic Subcutaneous Emphysema and Pneumomediastinum Developing during a Dental Hygiene Procedure %A Andrea Castellani %A Gabriele Bocchialini %A Serena Ambrosi %J Archive of "Case Reports in Dentistry". %D 2017 %R 10.1155/2017/7016467 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5406744/