​​​​​​​Equine Gnathological Training Institute, Inc.

Five day Advanced Equine Gnathology Course Held in April, June and October

Location:  EGTI School Building, Downtown, Glenns Ferry, Idaho, USA


Five Day (600T) Course Cost: $750.00; Additional Week of Practical Available

Available School Housing; $50.00 per day or $300.00 per week. 

Shuttle Service to and From Boise Airport: $150.00


Understanding  Gnathology and Gnathological Procedures

Gnathological Determinators

  • The Five Biomechanical Pairs Influencing the Process of Deglutition and Performance

Meaning of The Equine Dental Paradigm

Understanding the Process of Deglutition

Meaning of Prophylaxis As It Pertains to Equine Teeth

Meaning of Equilibration As It Pertains to Equine Teeth

Basic Anatomical Structures of the Head and Neck

  • Occipital Variations
  • Anatomical Variations
  • Symmetrical Variations

Biomechanical Influences

  • Of Teeth
  • Of Joints
  • Of Muscles

The Influence and Importance of the Hyoid Apparatus

  • Stages of Arthrosis
  • Grading Arthrosis Progression 1-10
  • Palpation Techniques

Mastication Patterns (Variations) and Their Influence on Dentition

The Neuromuscular Gnathological Approach to Mandibular Biomechanics

  • The Three Defining Motions of Pitch, Yah and Roll


  • The study of condylar movements during lateral mandibular movements
  • Lateral Condylar Reference Point (LCR Point) 

Bit Seats and Their Relationship to Air Flow Factors

The Influence of Dental Cysts on Air Flow

The Function and Purpose of Conchae and Turbinates’

Feeds and Feeding Issues

Performance Issues

  • Wolf Teeth, Blind Wolf Teeth, Ectopic Teeth, Dentigerous Cysts
  • Bitting

Principles of Maintaining Equine Teeth

  • Incisor work and occlusal variations
  • Working With Non-sedated Horses
  • Working With Sedated Horses


  • Use of New Hand and Power Instruments

Certificate for 24 Hours of Continuing Education Awarded Upon Completion of Course

Additional 5 day practical and advanced certification course available

Course Text:  Advanced Equine Dental Guide

Advanced Guide to Oral Biomechanics and Dental Rehabilitation in horses




General Questions; What Does It Mean 

Introduction: The Jeffrey Equine Dental Paradigm 

Stomatognathic System Defined 

Equine Gnathology Defined 

The Biomechanical Process of Deglutition 

Wolff’s Law of Bone Transformation 

Trajectories of Force/Benninghoffs Lines 

EOTRH: Equine Odontoclastic Tooth Resorption and Hypercementosis 

MPC: Meniscus Pad Compromise/Compression/Atrophy and Deterioration 

Centric Occlusion Versus Centric Relation 

Functional Occlusion 

Reading Pathology 

Jeffrey Brothers 

EGTI Pre-dental Check List 

Colic Ball 

Gnathological Determinates/ Five Biomechanical Pairs 

Skull Anatomy 

Engagement/Disengagement of the TMJ 

Osteoarthrosis of the TMJ 

Pitch, Yah and Roll 

Mandibular Biomechanics


Incisor TMJ Relationships 

Busicco Incisor Table Angle Gauge 

Arthrosis of the Hyoid Apparatus: Orientation 

Why We Need Knowledge of the Arthrosis Process 

Causes of Arthosis 

Angle of Stylohyoid to Jugular Process 

Bones of the Hyoid Apparatus 

Palpation Techniques 

Cerato to Stylohyoid Arthrosis 

Tympanic Bullae, Occiput, Mandible 

Occipital and Incisor Deviation 

Temporohyoid Osteoarthropathy 

Bony Changes to Hyoid Apparatus 

Hyoid Comparisons 

Arthrosis of Stylohyoid to Petrous Bones 


Comments On EOTRH and EMPC 

Instructors:                    Dale Jeffrey, Bert Lambert and Other Guests and Associates                            




A Registered, Bonded and Insured Proprietary School

Idaho State Board of Education

Equine Gnathological Training Institute, Inc.
2050 East Medicine Wheel Lane
King Hill, Idaho 83633 USA

Dale's Cell:  208-869-1002

Fax: 208-366-2870