@masterthesis{2885465, title = "Objective evaluation of compliance after orthodontic treatment using Hawley or Vacuum- formed retainers. A two- center randomized controlled trial over a three- month period", authorField = "Βαγδούτη, Γεωργία", year = "2019", school = "Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών" }