1 Department of Surgical Sciences, PG School of Orthodontics, Traumatology and Sport Dental Research Center, University of Cagliari, Cagliari, Italy.
2 Department of Surgical Science, Dentistry, Gynecology and Pediatrics, University of Verona, Italy.
3 Department of Surgical Sciences, School of Oral Surgery, University of Cagliari, Cagliari, Italy.
4 Department of Surgical Science, Dentistry, Gynecology and Pediatrics, University of Verona and Unit of Pediatric Dentistry and oral hygiene IRCCS Sacro Cuore-Don CalabriaHospital, Negrar, Verona, Italy.
5 Department of Surgical Science, College of Dentistry, University of Cagliari, Cagliari, Italy.