Orthodontic treatment in the transverse and sagittal planes | Science Online Course by Udemy

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Treatment of the early permanent dentition. Crossbites. Extraction treatment. Part of full orthodontics dentistry course

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Orthodontic treatment in the transverse and sagittal planes

This course will take you from zero to hero of the following orthodontic topics: Transverse discrepancies and Treatment of sagittal discrepanciesHere are the main headlines that this course covers: Transverse discrepancies1. Development of crossbite1.1 Classification2. Posterior crossbite2.1 Etiology of posterior crossbites2.1.1Genetic factors2.1.2 HabitsMouth breathingFinger suckingInfantile deglutitionLingual interposition2.1.3 Interferences and occlusal factorsTraumaOther causes2.2 Types of posterior crossbitesFunctional crossbiteDentoalveolar crossbiteSkeletal crossbiteScissors bite2.3 Diagnosis for posterior crossbite2.4 Variables that can have influence in the correction of posterior crossbitesTeeth inclinationLateral functional displacement during mandible closureEstimation of the necessary expansionAge of the patientVertical changes2.5 Reasons and timing of treatment of posterior crossbites3 Disjunction3.1 Effects of disjunction3.2 Effects on the maxillary complex3.3 Effects on the alveolar process3.4 Dental effects3.5 Effects on the mandible3.6 Effects on the adjacent facial structures3.7 Disjunction indications and Counter indications4. Treatment for posterior crossbiteQuad HelixTranspalatal arch with an extension armInverted NiTi archOverlayCrossed elastics or “Z” elasticsHassHyraxSurgical disjunctionTreatment of sagittal discrepancies1. Development of a sagittal problem2. Diagnosis of sagittal discrepancies3. Class II malocclusion3.1 Clinical examination and functional assessment3.2 Morphologic characteristics3.3 Treatment planning3.3.1 Dentoalveolar Class II malocclusionsMaxillary distalization: Fixed distalizers open coil spring, elastic NiTi wires or Dr Richard Vlock’s technique, sliding hooks, Pendulum appliance, Distal jetRemovable distalizers Cetlin plate, Veltri distalizer, Belussi DistalizerNon extraction headgear treatment3.3.2 Functional Class II with distally forced bite3.3.3 Skeletal Class II with maxillary prognathismExtraction treatmentManagement of the extraction spaceIndications and contraindicationsExtraction pattern in class II casesExtraction space closure biomechanics by:1. Elastics,2. Coils,3. Loops: The open “I” loop. The closed “I” loop. The closed helicoid “I” loop, Ricketts loop. Bull or Keyhole loop, The “T” loop, The segmented “T” loop, The utility retraction loop. The DKL (Double Key Loops).4. Retroligature3.3.4 Skeletal Class II with prognathism and anteinclination of maxilla3.3.5. Skeletal Class II with retrognathic mandible4. Class III malocclusion4.1Treatment Problems4.2 Anterior crossbiteEtiologyClinical evaluationClassification – Dental anterior crossbite, Functional anterior crossbite, skeletal anterior crossbiteDifferential diagnosis between true and Pseudo Class III malocclusionTreatments for anterior crossbites1. Dentoalveolar Class IIIExtraction treatmentForward archBite blockLingually placed bracket2. Functional Class III malocclusion (with pseudo-forced bite or anterior displacement)3. Class III malocclusion with retruded maxillaFace mask treatmentOrthognathic surgery4. Class III malocclusion with mandibular prognathismOrthognathic surgery5. Class III malocclusion with a combination of maxillary retrognathism and mandibular prognathism

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