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Occlusion Seminars

The occlusion seminar consists of several modules, as outlined in your 2017-2018 program guide

Module 1 - Basic Principles of Occlusion

Module 2 - Theories of Occlusion

Module 3 - Articulation and Instrumentation

Module 4 - Occlusal Analysis, Equilibration:

1. Objectives:
   1. Module 1 - Develop an in-depth knowledge of the anatomy, physiology, and function of the masticatory system.
   2. Module 2 - Develop a thorough understanding of the different theories and philosophies of occlusion, and of past and current literature.
   3. Module 3 - Establish a thorough working knowledge of a wide range of articulator systems and associated devices. Critically evaluate articulator systems and their practical selection for specific clinical situations.
   4. Module 4 - To develop knowledge in the area of occlusal analysis equilibration
2. Evaluations:

   Residents will be evaluated through formative exams given throughout each module. Lab exercise will be critically evaluated.

Module 1: Basic Principles of Occlusion

Our Seminar will begin with lectures and hand on class activity based on Huffman and Regenos’ Principles of occlusion: Laboratory and Clincial Teaching Manual

Section I: Part A: Introduction to the Study of Occlusion:

Goals and Objectives:

By the end of this section, it is expected that residents will:

1. Understands the 3 anatomical planes
2. Have an introduction to the TMJ
3. Understand the three types of levers and how they relate the dentition
4. Understand Thielmann’s Formula
5. Understand the relationship between incisal angle and angle of eminentia
6. Be able to define the terms: orbiting/rotating condyle; understand the difference between mediotrusive/laterotrusive
7. Be aware of the difference mandibular movements in the 3 anatomical planes
8. Be introduced to different types of occlusion
9. Understand the difference in waxing techniques: tooth to two teeth & tooth to tooth

Anatomy, Physiology and Function:

Goals and Objectives:

By the end of this section, it is expected that residents will have an:

1. In depth understanding of the muscles of mastication, their origins and insertions
2. In depth understanding of the infrahyoid and suprahyoid muscles
3. In depth understanding of the ligaments associated with the TMJ

Lab Component:

1. Taking proper diagnostic casts
2. Using different facebow systems
3. Introduction to Cadiax Compact
4. Setting semi-adjustable articulators

Section I Part C: A Study of Determinants of Occlusal Morphology:

Goals and Objectives:

By the end of this section, it is expected that residents will understand the determinants of occlusal morphology to include:

1. Facial Position of the teeth in relation to the rotational center
2. Direction of Rotating condyle in the horizontal plane
3. Bennett Movement
4. Intercondylar Distance
5. Angle of Eminentia
6. Direction of Rotating condyle in the vertical plane
7. Overlap of maxillary teeth
8. Occlusal Plane VS angle of Eminentia
9. Curve of Spee

Lab Component:

1. Acetate tracings based on Huffman and Regenos’

Module 2: Theories of Occlusion

Section I: Part B: Theories of Occlusion:

Part B of Huffman and Regenos’ will be augmented with further readings and/or seminar presentations

Goals and Objectives:

By the end of this section, it is expected that residents will:

1. Have an introduction to the history and broad philosophies of occlusion:
2. Triangular Theory –Bonwill 1858
3. Spherical Theory-Monson 1920
4. Gnathology – B.B.Mccollum 1926
5. Functionally Generated Path –Myer 1934
6. Pankey-Mann (Schuyler) 1955
7. Anterior Guidance- Schuyler 1950
8. Transographics – H. Page, 1956
9. Neurophysiologic/Electromyographic, R. Jankelson 1953
10. Mutual Protection Concept-Stuart and Stallard 1963
11. Modern Concepts

Lab Component:

1. T-scan

Module 3: Articulation and Instrumentation

Goals and Objectives:

By the end of this section, it is expected that residents will:

1. Understand the different classification of articulators;
   1. arcon VS Non-arcon
   2. Fully adjustable VS Semi Adjustable
2. Understand the limitations of each articulator and how to account of them
3. Be able to critically evaluate articulator systems and their practical selection for specific clinical situations
4. Understand how occlusal morphology in vivo may differ based on the limitation of each articulator
5. Understand the pantographic tracings and the data collected
   1. Using D5A articulator
6. Understand the importance of Fischer’s angle, and what information this provides
7. Understand the importance of a custom incisal table.
8. Understand the integration of cross mounting of casts for full mouth rehabilitation
9. Understand the limitation of using a facebow

Lab Component:

1. Residents will have the opportunity to use different face/earbows
2. Demonstration of the KIOS system where residents will understand its advantages and limitations

Module 4: Occlusal Analysis and Equilibration

Goals and Objectives:

By the end of this section, it is expected that residents will:

1. Be able to critically evaluate different methods of registration CO/CR
2. Understand the objectives of occlusal equilibration
3. Understand MICP and variants (Tooth to Tooth, Tooth to two teeth)
4. Understand the difference between IN-OUT-IN and OUT-IN-OUT techniques of occlusal equilibration

Lab Component:

1. Residents will have the opportunity to use different methods of CR registration
2. Residents will use their mounted casts from Module 1 and perform a mock up occlusal equilibration of themselves.