Sadao Sato Online school

Lesson 1. Cranio-mandibular orthodontics. Concept and principles.

• The evolution of cranio-mandibular orthodontics: a shift in concepts and paradigms
• Occlusion medicine: new field of healing art based on bruxism as a stress management function
• Mandibular position: most important subject in Cranio-Mandibular Orthodontics
• Occlusal Plane: VDO and POP as an essential element
• Occlusion Concept: sequential guidance
• Malocclusion and TMD
• Centric Relation (CR)
• Reference Position (RP): physiological and deranged
• Mandibular positioning
• Clinical cases: class 2
• Clinical cases: open bite
• Clinical cases: closed lock joint.

Duration: 2 h 34 min

Lesson 2. Therapeutic Position Concept in Orthodontic Treatment.

• The history of gnatology: the therapeutic position of the mandible
• The concepts of «reference position» and the centric relation
• Determination of the central relation
• Diagnosis of the reference position: the algorithm
• Choice of treatment tactics: decision-making algorithm
• The concept of the reference position
• The positioning mechanism of mandible
• Occlusal support: the value for mandible positioning
• Elements of the craniomandibular system
• Planning the position of the condyle depending on the pathology
• Determining the therapeutic position
• Problems of class 2: retrusion guidance
• Principles of pathology treatment in class 2
• Treatment of complex clinical cases: restoration of hearing
• Causes of relapses and methods of prevention.

Duration: 2 h 29 min

Lesson 3. Significance of Occlusal Plane control in Orthodontic Treatment.

• Types of occlusal plane: GOP, AOP, POP
• Angle of Disocclusion (AOD): calculation of the value
• Occlusal plane and mandibular adaptation
• Skeletal class 3 development
• Influencing factors to occlusal plane during treatment: рosterior discrepancy
• Mechanics of class 3 treatment
• Development of class 2 high angle malocclusion
• Tasks, principles and sequence of class 2 treatment
• Arch form analysis: active and passive centric
• Retrusive guide
• Treatment of an open bite with chronic rheumatoid arthritis of the TMJ: a clinical example.

Duration: 2 h 33 min

Lesson 4. Early Orthodontic Treatment Based on Sequential Occlusion Concept.

• The concept of two-stage orthodontic treatment
• The advantage of early class 2 treatment

The principle of adaptation and compensation:

• Adaptation phases,Compensation mechanisms
• Changes in occlusion during development: the effect of the third molars
• The retrosive guide and the retrosive barrier: features of the morphology of the first molars
• The influence of the retrosive guide on the class 2 development
• The concept of early orthodontic class 3 treatment
• Indications for removing temporary incisors
• The use of pads in growing patients in the class 2 treatment
• Vertical compensation of class 3
• Double arch wire mechanics.

Duration: 2 h 30 min

Lesson 5. Early treatment in Cranio-Mandibular Orthodontics.

• The relationship between orthodontics and prosthodontics
• Standard method of patient examination (complaints, anamnesis, detailed clinical examination)
• Symptoms of TMJ & muscle disorders in children
• TMJ. Criteria for evaluating X-ray images
• The structure and function of the TMJ in different periods of bite formation
• Principles of diagnosis and treatment of class II and III in children
• The obligatory use of diagnostic models when planning treatment in growing patients
• Guidelines for the class II management in children. Choice of orthodontic appliances
• 3D mandibular reposition
• Use of overlays in the treatment of class II. Modeling and positioning of overlays in the oral cavity
• Principles of treating children with TMD
• Principles of class III treatment in children. Vertical compensation.

Duration: 2 h · Presented by: our

Lesson 6. Early orthodontic treatment controlled by occlusion. Sadao Sato concept.

• The main goals of early orthodontic treatment
• Phases of orthodontic treatment
• Principles of the development of the facial skeleton
• Functional and skeletal adaptation
• Factors of development of the skeletal class species: the role of the posterior occlusal plane
• MLD: key features
• Transversal and sagittal disorders: causes
• Displacement of the articular disc: types
• Oral respiration: causes and effects on jaw development
• Features of treatment at an early age
• Maxillary expansion: indications and contraindications
• Overlays: advantages and materials
• Сlass II: features of treatment
• Functional appliances: advantages and disadvantages
• Condyle growth concepts
• The mechanism of mandible adaptation
• Methods of early orthodontic treatment
• Maintaining the correct bite position: principles
• Criteria for the use of braces
• Adaptation phases
• VDO change: recommendations
• Mistakes in treatment and prevention methods.

Duration: 2 h 34 min

Lesson 7. Cranio-mandibular orthodontics with aligners (Invisalign®).

• Movement of teeth by aligners: biomechanical aspects
• Optimal time of aligner therapy
• Aligners and braces: comparison, advantages and disadvantages
• Attachments: types and goals
• Predictability of working with aligners: factors
• Gingival-margin design of aligners
• Form of attachments: influence on clinical effect
• Principles of formation of pathological occlusion
• Changing the position of the TMJ
• Using mini implants
• Features of planning on a clinical example.

Duration: 1 h 40 min

Lesson 8. Clinical application of orthodontic treatment according to the method of Professor Sadao Sato in difficult clinical сases.

• Data from modern literature on maltreatment and complications of dental treatment (side effect of technical revolution - invasive dental treatment; somewhere share the «simple» cases!)
• Functional features (chewing, swallowing, speaking, etc.) of patients with different types of facial skeleton
• The concept of «functional space» and methods of its control in the course of complex dental treatment (concept Professor R. Slavicek and Professor S. Sato)
• Signs of functional overload of teeth from an iatrogenic origin
• Possibilities of orthodontic preparation of the oral cavity for prosthetics using the method of Professor S. Sato
• Disadvantages of the «orthopedic method» for correcting anomalies
• Functional diagnostics is the basis of safety in dentistry. (examples of clinical use of condylography data, articulator and variator)
• Joint planning of a new occlusal plane and formation of a «technical task» for the whole team specialists.

Duration: 2 h 18 min

Lesson 9. Open Bite and Class 3. Etiological consideration and treatment approach.

• Vertical incisal disocclusion. Etiology
• Vertical incisal disocclusion diagnosis
• Changes in the occlusal plane during growth
• Factors influencing to the occlusal plane
• Posterior discrepancy
• Class 3. Etiology
• Treatment protocol for Class 3 (with full eruption of third molars)
• Open bite treatment protocol
• Class 3 open bite treatment protocol
• Class 2 open bite treatment protocol
• Secondary open bite due to osteoarthritis
• Secondary open bite treatment protocol
• Class 3 and open bite treatment mechanics
• Clinical cases.

Duration: 1 h 58 min

Lesson 10. Class 2 Malocclusion. Mandibular repositioning therapy.

• The relationship between the occlusal plane and malocclusion
• Class 2: dentoalveolar and skeletal forms. Characteristic
• The choice of the class 2 method of treatment depending on the clinical case
• Сlass 2 treatment planning
• Traditional approach to class 2 treatment
• Indications and contraindications for the premolars extraction
• Rules for the use of elastics
• Mandibular reposition in the class 2 treatment
• Retrusive guidance for class 2
• Leveling: simple or strategic
• Class 2 treatment with TMD
• Clinical cases.

Duration: 2 h 23 min

Lesson 11. Mandibular Lateral Displacement (MLD) Malocclusion.

• Characteristics of the Mandibular Lateral Displacement (MLD)
• Diagnostics of the Mandibular Lateral Displacement (MLD)
• X-ray examination
• Cephalometric analysis
• Relationship of occlusion pathology with the occurrence of TMD
• Occlusal plane and Mandibular Lateral Displacement (MLD)
• Treatment planning for Mandibular Lateral Displacement (MLD)
• Biomechanics of orthodontic treatment of Mandibular Lateral Displacement (MLD)
• Detailed protocol for the treatment of Mandibular Lateral Displacement (MLD)
• Clinical cases.

Duration: 2 h 32 min

Lesson 12. Low Angle Malocclusion.

• Cephalometric analysis
• Malocclusion: causes and tactics
• Growth and development of the skeleton: adaptation processes. Tilt angle control
• Posterior discrepancy: the formation of vertical incisal disocclusion. Role of third molars
• Vertical incisal disocclusion: treatment and prognosis
• Options for class 3 malocclusion
• Biological principles of pathology treatment: compensatory treatment
• Occlusal cant correction: recommendations
• Low angle class 3: characteristic features. Orthodontic Treatment Guide
• Treatment of low angle сlass 3: approach and tactics
• Adaptation and compensation: basic principles. Adaptation phases; types and mechanisms of compensation.

Duration: 2 h 16 min

Lesson 13. Orthodontic Treatment of High and Low Angle Class 2 Malocclusions Based on CMS concept.

• Evolution of the human postura and facial skeleton
• Principles of formation of malocclusion
• The reasons for the formation of high angle class 2 and 3
• The high and low angle class 3: the main differences and principles of treatment
• Treatment mechanics of class 3: MEAW
• Treatment concept for low angle class 3: increase vertical dimension of occlusion
• Treatment mechanics of low angle class 2 malocclusion
• Treatment of class 2 in combination with TMJ disease
• Principles of treatment of high angle class 2.

Duration: 2 h 29 min

Lesson 14. Clinical cases of class 2 high angle in growing patients, adults, and with TMD: 12 years of experience with the Sato technique.

• Class 2: developmental factors, clinical criteria for diagnosis
• Objectives of class 2 treatment and action plan
• Third molar extraction: indications
• Diagnostic pathology: orthopantomogram, teleroentgenogram, indices
• Axiography: characteristics and advantages
• Maxilla expansion: terms, methods and recommendations
• Techniques for leveling the position of teeth
• The mechanical aspects of class 2 correction
• Method of stabilization of premolars and molars
• Occlusal plane restoration: recommendations
• Retainers: recommendations and methods
• TMJ dysfunction: features of orthodontic treatment.

Duration: 2 h 14 min

Lesson 15. Orthodontics in patients with Temporo-Mandibular dysfunction.

• Why, after the completion of orthodontic treatment, when an ideal occlusion is achieved, TMJ symptoms develop
• The Vienna concept of TMJ dysfunction treatment
• The reasons for the appearance of wear facets with good disocclusion in the canine area
• The limits of orthodontic treatment. Cranio-mandibular orthodontics
• Orthodontic treatment planning taking into account the state of the temporomandibular joint
• The main clinical signs of TMD
• Mounting a model in the articulator - a mandatory step in treatment planning
• Occlusal analysis: norm and deviations
• Diagnosis of bruxism with a Bruxchecker
• Prosthetic treatment of TMJ & muscle disorders. Do we need a splint as a retainer.

Duration: 1 h 57 min

Lesson 16. Clinical cases of class 3 low angle: from diagnosis to follow up in growing patients, adults, and patients with TMD.

• Class 2 development. The difference between low angle and high angle
• Objectives and goals of treatment: planning methodology.

• Instrumental and index evaluation. Assessment of the cervical vertebrae
• TMJ dysfunction: diagnosis and assessment of the joint condition
• Functional appliance: goals and objectives
• Treatment of patients with TMJ dysfunction: methods and limitations
• MEAW: methodology, advantages and disadvantages
• Distalization: indications, technique
• Features of treatment of teenagers and adults
• Treatment tactics in different clinical situations.

Duration: 2 h 31 min

Lesson 17. Benefits of orthodontics in treatment of malocclusion with TMD.

• Malocclusion: etiology and basic aspects
• Methods of treatment of malocclusion
• Craniofacial biology: principles of condyle growth
• The relationship between class 2 and TMJ dysfunction
• Stages of human skull development
• Occlusion treatment: a decision-making algorithm
• What is TMD?

• The origin of concomitant symptoms of TMD
• The sequence of development of internal derangement
• The idea of the centric relation
• Internal derangement: stages of development
• Cranio-mandibular system: principles of operation in normal and pathological conditions
• Orthodontic approach to the treatment of TMD: advantages
• Protocol for the treatment of pathology in class 2 and TMD
• Principles of treatment of TMD.

Duration: 2 h 15 min

Lesson 18. Occlusion concept based on bruxism function of the masticatory organ.

• Stress management function of the masticatory organ
• The mechanism of formation of bruxism
• Bruxism and gastric ulcer: a study
• The concepts of allostatic response and allostasis
• The concept of stress management
• Brux
• Checker: diagnosis of bruxism
• Abfractions: causes of development
• Canine guidance
• Methods for monitoring bruxism activity
• Muscle activity during sleep: a study
• Occlusion design in bruxism: the concept of sequential occlusion
• Change of the occlusal plane: a clinical example
• Disbalance of the autonomic nervous system: the influence of bruxism and the position of the lower jaw.

Duration: 2 h 25 min

Lesson 19. Clinical use of MEAW to treat different malocclusion.

Variants of human phenotype development;

Class III treatment:

• Orthodontic camouflage,Combined treatment (orthodontics+surgery),Vertical control
• Treatment with tooth extraction: techniques, recommendations
• Stages of class III treatment
• Biomechanical aspects of treatment
• Functional adaptation of the mandible
• Indications for the third molars extraction
• The Mulligan Arch: technique and application advantages
• Dentofacial discrepancy
• Indications and contraindications for treatment in the MEAW concept
• Condylography in treatment planning: advantages and disadvantages.

Duration: 1 h 40 min

Lesson 20. Diagnosis and Treatment of Class 3 Malocclusion using Gummetal archwires.

• Class 3 characteristics
• Angle of inclination of the lateral occlusal plane
• Evolution of the postura of the body
• Hyperdivergent growth: characteristics and options
• Posterior discrepancy effects
• High and low angle class 3: differences
• Principles of treatment of high angle class 3
• Gummetal: characteristics and features
• Stages of class 3 treatment
• Gummetal Arch bending: recommendations
• Features of the treatment of class 3 open bite
• Treatment of low angle class 3: concept
• Dental alveolar compensation and decompensation.

Duration: 1 h 44 min

Lesson 21. 3D Characteristics of Mandibular Lateral Displacement Malocclusion and its Treatment with Gummetal Arches.

• Asymmetry: diagnosis and treatment planning
• Mandibular lateral displacement: characteristic
• The effect of occlusion on the general condition
• 3D morphological characteristics of mandibular lateral displacement
• Functional characteristics of pathology
• Influence of the mandible position on the position of the temporal bone
• Therapeutic position: treatment planning
• Early treatment of mandibular lateral displacement
• Prevention of morphological problems
• Increasing the vertical dimension of the occlusion: techniques
• Asymmetric activation of the Arc Utility
• Diagnosis of airway volume.

Duration: 1 h 56 min

Lesson 22. The use of MEAW technique and alternative methods.

• Theories of the malocclusion development
• The gnatologic concept: the essence
• Condyle growth types
• Treatment of occlusion pathology: basic principles
• Compensation mechanisms
• TMJ macroanatomy
• Dentoalveolar compensation
• Principles of working with the Spee curve
• Mechanics of treatment of class II
• Premolarization: arch features
• Mandible positioning
• Side effects when working with MEAW
• Retrusion control
• MEAW: advantages
• Treatment of open bite: recommendations
• NiTi or Australian Arc: advantages and disadvantages.

Duration: 1 h 48 min