Concept of education
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Sequelae Untreated Maloc:1)Poor esthetics-2)caries-3)periodontal dis-4)Subs maloc more severe-5)mastication extraload digestive-6)swallowing-7)respiratory-8)TMJ-9)speech-10)Interference normal craniofacial growth-11)accidental fracture ant-12)Bruxism & clenching-13)Impaction cystic
Uses digital model:1)Visualization & Examination-2)Digital Space Cast Analysis & Measurements-3)Treatment Simulation & Patient Education-4)Bracket Positioning-5)Orthodontic Appliance Fabrication/Adv Digital Models:1)storage problems-2)easy diagnostic setups-3)accessible from multiple locations-4)easy shared-5)No risk breakage-5)easily manipulated-6)measurements less time & effort -7)Allows superimposition images treatment results-8)easy communication
CBCT adv:1)localization impacted-2)implant sites-3)Evaluation craniofacial abn-4)periodontal defects -5)root resorption-5)planning orthodontic-6)pharyngeal airway-7)Generation digital model/Adv self-ligating:1)Less chairside-2)Fewer visits-3)Easier oral hygiene-4)More comfortable-5)Short treatment period-6)Less extraction-7)Reduced friction/Steps clear aligners fabrication:1)Acquisition digital model-2)Preparation digital model-3)virtual setup movements-4)Direct 3D printing in series5)Delivery
Accelerated tooth movement:A)surgical:1)Corticotomy-2)Pieozision-3)Alveocentesis-4)periodontal&Alveolar distraction//B)nonSurg:1)low level laser-2)low intensity pulsed ultrasound-3)Biological approach-4)Vibration
Uses miniScrews:1)Molar distalization-2)Canine retraction-3)Incisor,molar intrusion-4)Molar upright-5)skeletal anchorage/use miniPlates:1)High magnitude force-2)Insufficient space betw roots for miniscrew-3)Force direction cant achieved miniscrews-4)Intrusion whole max arch
Causes Relapse:1)Periodontal ligament(supra-crestal fibers)-2)Persistence cause-3)Failure carry teeth balanced occlusion neutral zone-4)Unfavorable type growth-5)Inc intercanine width-6)Failure adapt muscles new rest position-7)Failure retain teeth until remodeling
Types retention period time:1)No period retention:A)serial extraction-B)Ant crossbite-C)post crossbite//2)Standard period retention:A)Class1 no extrac-B)Class12 extrac good occ-3)Prolonged period:A)Class3-B)late teen crowd-C)rotation//4)Permanent:A)general space-B)diastema
Adv removable appliances:1)easy clean-2)easily removed if faced problems-3)Lower cost-4)Short chair time-5)Easy fabrication-6)easily replaced if lost-7)Simple cases & simple tooth movements