The skeletal classification of malocclusion is given by 1) Calvin Case 2) Martin Dewey 3) Paul Simon 4) EH Angle
OrthodonticsAnswer: 3
Identify correct statement about deciduous teeth 1) Maxillary teeth cavity first but mandibular teeth erupt first 2) Maxillary teeth calcify and erupt first compared to mandibular teeth 3) Both of the above are correct 4) None of the above
OrthodonticsAnswer: 1
Good contacts in primary teeth with lack of spacing predicts 1) Normal occlusion in premanent teeth 2) Crowding in permanent teeth 3) Anterior crossbite 4) Spaced permanent dentition
OrthodonticsAnswer: 2
Which of the following clasps is preferable on a partially erupted tooth 1) Circumferential clasp 2) Adams clasp 3) Jackson"s clasp 4) South end clasp
OrthodonticsAnswer: 2
Which of the following are typical and acceptable preventive and therapeutic measures for dealing wih these periodontal problems during fixed appliance therapy? 1) Elimination of gingivitis prior to placing orthodontic appliance 2) Megavitamin therapy 3) Scaling and curettage immediately after appliance removal 4) None of the above
OrthodonticsAnswer: 1
Functional appliances 1) Only move teeth 2) Can change the direction of growth 3) Are fabricated in the original mandibular position 4) Correct malocclusion rapidly
OrthodonticsAnswer: 2
Spacing of primary dentition 1) Unusual and undesirable and leads to ectopic eruption of permanent teeth 2) Usual and desirable for accommodation of large permanent teeth 3) Both of the above 4) None of the above
OrthodonticsAnswer: 2
Tooth shows beginning of eruptive movements in which stage of Nolla"s classification 1. Stage I 2. Stage V 3. Stage VI 4. Stage VIII
