stomaeduj 2 SEJ_1-2017_screen | Page 61

Questions Which instruments can be used to obtain a 3D virtual model of dental arches? q q q q a. Laser scans; b. Ultrasounds; c. Conventional orthopantomographs; d. Bite wing radiographs. Which kind of modifications can be assessed on 3D virtual model of dental arches? q q q q a. b. c. d. Dental root reabsorption; Parodontal alterations; Dental crown movements; Tempomandibular disorders. In the current study we assessed q q q q a. Three edentulous patients; b. Seven patients with deciduous dentition; c. Two patients submitted to orthognathic surgery; d. Three adolescent patients. QUANTIFICATION OF DENTAL MOVEMENTS IN ORTHODONTIC FOLLOW-UP: A NOVEL APPROACH BASED ON REGISTRATION OF 3D MODELS OF DENTAL CASTS In the current study, we superimposed 3D virtual models of dental arches using q q q q a. b. c. d. The vestibular surface of anterior teeth; The palatal area including palatal rugae; The lingual surface of mandibular incisors; The occlusal surface of maxillary first molars. Stomatology Edu Journal 61