Quality of Life of Patients with Mandibular Third Molars and Mild Pericoronitis. A Comparison between Two Different Treatments: Extraction or Periodontal Approach oleh P. C. Passarelli, M. A. Lopez, V. Desantis, G. B. Piccirillo, E. Rella, V. Giovannini, A. Speranza, M. De Leonardis, P. F. Manicone, M. Casale, A. D’Addona