Download Orthodontics Midterm Exam With 100% Correct Answers 2023 and more Exams Advanced Education in PDF only on Docsity! Orthodontics Midterm Exam With 100% Correct Answers 2023 DH Role in Ortho - Correct Answer-Assessment of teeth & tissues -ortho services Standing order - Correct Answer-written documentation signed by DDS -allows you to scale when DDS not in office Amendment to DH act - Correct Answer-requires mentor period and passing CDHO Self initiation What order is required for any ortho procedure? INCLUDING EMERGENCIES - Correct Answer-Client specific order: you need this for ortho and for restorative *direct supervision by a DDS As a DH in an orthodontic office we must.... - Correct Answer-implement specific procedures under a client specific order Summary of our jobs - Correct Answer-Rads Impressions Tracing cephs Inserting fixed and removable appliances Shape and bend archwires Remove brackets & bands Growth - Correct Answer-Change in size Development - Correct Answer-Change in life from collection of cells to multifunctional unit Differentiation - Correct Answer-Change from general to a specialized cell Translocation - Correct Answer-Change in position Maturation - Correct Answer-QL Changes occuring with aging 4 indicators of client maturity - Correct Answer-Chronological age Skeletal age Dental age Mental age Most of the facial growth occurs in the..... - Correct Answer-mandible 2 basic types of bone formation - Correct Answer-Endochondral (moveable joints) Intramembraneous (areas of tension) - *NECESSARY IN ORTHO Key muscles of the H&N - Correct Answer-Lips Tongue Mastication muscles Scalene/Sternocleidomastoid Scalloping of the tongue border - Correct Answer-Size discrepancy, too large Retracted tongue splaying lateral - Correct Answer-posterior open bite Protruded tongue splaying anterior - Correct Answer-anterior open bite (tongue thrusting) What muscle helps to keep food in between occlusal surfaces? - Correct Answer- Buccinator Masseter muscle - Correct Answer-most powerful muscle of mastication Distal step - Correct Answer-mandibular molar is backward - Class II occlusion (retrognathic) Mesial Step - Correct Answer-Mandibular molar is forward - Class III occlusion (prognathic) Flush terminal plane - Correct Answer-Most common- Class I Occlusion What are primate spaces - Correct Answer-spaces required for proper alignment of primary dentition where are primate spaces located? - Correct Answer-Maxillary: distal to lateral Mandibular: distal to cuspid Eruption - Correct Answer-movement of a tooth from its developmental position to its functional position Early Mesial Drift * - Correct Answer-spaces are available -decrease in arch length, allows for Class I eruption Late mesial drift* - Correct Answer-NO spaces available -no decrease in arch length, can grow into Class I ONLY when PM exfoliate Ectopic eruption - Correct Answer-eruption of a tooth in an abnormal position