Practice Jean-Daniel Orthlieb. OCTA concept: Occlusal architecture to secure orthodontic or prosthodontic treatments

A theory visit only is possible. Cost from September 14 - 399 €.

Prosthetic failure is often occlusal, orthodontic recurrence is often dysfunctional; the prognosis improvement of the treatments, is related to the optimization of the occlusal functions (stabilizing, centering, guiding). The occlusal requirement of the implant-supported prosthesis is greater than traditional fixed prosthesis. Optimal occlusion control does not necessarily always imply the use of a complex set of instruments. On the contrary, the methodology must be simple, but rigorous and fair; fair means to adapt the tool to the objectives. Therefore, it is essential, prior to the therapeutic action, to precisely define objectives and occlusal architectural criteria. The principles must be very clear. The difficulty lies more in the decision process than in the action. Once the therapeutic decision is made, the choice of the protocols of realization becomes obvious: it falls under simple rules, intangible, reproducible. Using the same decision-making process for both simple cases and complex situations can greatly increase the reliability and success.

May 14 (theory, no limits)

Learning of the OCTA concept: Occlusal architecture to secure orthodontic or prosthodontic treatments

1) Occlusal functions (stabilizing, centering, guiding)
2) Determinants of the reconstructions and necessity of an architectural guideline
3) Height occluso-architectural criteria of construction
      - Choose and record the reference plane
      - Choose and record the reference position
      - Choose and record the therapeutic position including vertical dimension of occlusion
      - Choose the situation (position and inclination) of the mandibular anterior teeth
      - Choose the situation (position and inclination) of the maxillary anterior teeth
      - Choose the radius of the curve of Spee and then the inclination of the occlusal plane
      - Choose the inclination of the cusp guiding slopes
      - Choose the guidance concept and radius  of curves of Wilson
4) Transfer wax-up into a second generation provisional reconstruction
5) Conclusion

May 15 (30 places)

Analysis and reconstruction of occlusion. Wax-up

Objectives: practice of occlusion analysis and simulation (practiced by participants on their binomial)

1)  Clinical examination of occlusion. (analysis is realized by participants on their binom) 
      - Analyzing of wedging function – occlusograms 
      - Centric relation manipulation – terminal axis movement 
      - Location of occlusal prematurity 
      - Analyzing of guiding function – interference 

2)  Mounting casts on articulator (each participant come with his own plaster (x hard) model with a split cast on the upper model) 
      - Facebow recording 
      - Mounting of maxillary model 
      - Centric relation recording 
      - Mounting of mandibular model 
      - Validation of the reproducibility of the mounting 

3)  Occlusal analysis on articulator 
      - Analyzing of wedging function 
      - Analyzing of centering function 
      - Analyzing of guiding function - conclusion: indications for occlusal adjustment 

4) Wax-up and utilization of mounting cast on articulator 
      - Wax-up: construction of Spee Curve 
      - Wax-up: construction of canine guidance

May 16 (30 places)

Temporomandibular Disorders: diagnostics and splint therapy

Objectives: practice of musculo-articular clinical examination – practice of occlusal splint

1)  Global concept of TMD care
2)  Musculo-articular clinical examination (practiced by participants on their binomial) 
     - Muscular palpation
     - TMJ palpation
     - Evaluation of mandibular movements
     - Clinical testing (TMJ passive stretching, ICP clenching test, coton roll bite test, additional translation test)
3) Diagnosis and therapeutic algorithms
4) Splint design: muscle reconditioning splint, anteposition splint
5) Realization of muscle reconditioning splint (practiced by participants on their binomial mounting cast)
6) Occlusal adjustment of the splint (on articulator)
7) Clinical control of the splint (practiced by participants on their binomial)

Location to be determined.