Classification of malocclusion /certified fixed orthodontic courses by Indian dental academy

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The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.

Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078

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Classification of malocclusion /certified fixed orthodontic courses by Indian dental academy

  1. 1. CLASSIFICATION OF MALOCCLUSION www.indiandentalacademy.com
  2. 2. INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  3. 3. CLASSIFICATION SYSTEM • IS A GROUPING OF CLINICAL CASES OF SIMILAR APPEARANCE FOR EASE IN HANDLING AND DISCUSSION,IT IS NOT A SYSTEM FOR DIAGNOSIS ,METHOD FOR DETERMINING PROGNOSIS OR A WAY OF DEFINING TREATMENT www.indiandentalacademy.com
  4. 4. OC CLUSION UP CLOSING “CLOSING UP” www.indiandentalacademy.com
  5. 5. DEFINITION THE RELATIONSHIP OF THE MAXILLARY AND MANDIBULAR TEETH WHEN THE JAWS ARE CLOSED IN CENTRIC RELATION WITHOUT STRAIN OF MUSCULATURE OR DISPLACEMENT OF CONDYLES IN THEIR FOSSAE. www.indiandentalacademy.com
  6. 6. NORMAL AND IDEAL OCCLUSION “NORMAL” IMPLIES TO THE VARIATIONS AROUND AN AVERAGE OR MEAN VALUE. “IDEAL” IS A HYPOTHETICAL CONCEPT OR A STANDARDIZED GOAL. www.indiandentalacademy.com
  7. 7. SIX KEYS OF NORMAL OCCLUSION 1.MOLAR INTER-ARCHRELATIONSHIP 2.MESIODISTAL CROWN ANGULATION 3.LABIOLINGUAL CROWN INCLINATION 4.ABSENCE OF ROTATION 5.TIGHT CONTACTS 6.CURVE OF SPEE www.indiandentalacademy.com
  8. 8. L I N E OF www.indiandentalacademy.com O C C L U S I O N
  9. 9. C A T E R N A R Y C U R V E www.indiandentalacademy.com
  10. 10. ANY DEVIATION IN NORMAL OCCLUSION. www.indiandentalacademy.com
  11. 11. WHY TO CLASSIFY? www.indiandentalacademy.com
  12. 12. REASONS FOR CLASSIFYING TO GROUP CERTAIN MALOCCLUSIONS TOGETHER WHICH MAY OR MAY NOT HAVE THE SAME ETIOLOGY. EASE OF REFERENCE, COMPARISON AND COMMUNICATION. THINKING OF THE POSSIBLE TREATMENT MODALITIES THAT MAY BE NEEDED IN A PARTICULAR CASE. www.indiandentalacademy.com
  13. 13. VARIOUS SYSTEMS OF CLASSIFICATION ANGLE SYSTEM AND ITS MODIFICATIONS SIMONS SYSTEM AETIOLOGICAL CLASSIFICATION BAUME CLASSIFICATION OF PRIMARY TEETH ACKERMANN AND PROFITT CLASSIFICATION BALLARDS CLASSIFICATION www.indiandentalacademy.com WHO CLASSIFICATION
  14. 14. ANGLE SYSTEM BY EDWARD HARTLEY ANGLE WAS CONSIDERED THE FATHER OF MODERN ORTHODONTICS BASED ON THE ANTERO POSTERIOR RELATIONSHIP OF THE JAWS WITH EACH OTHER CONSIDERS MAXILLARY FIRST PERMANENT MOLAR www.indiandentalacademy.com
  15. 15. www.indiandentalacademy.com
  16. 16. CLASS II DIVISION I DIVISION II TYPE A TYPE B TYPE C CLASS II SUB DIV CLASS III TRUE PSUEDO CLASS III SUB DIV www.indiandentalacademy.com
  17. 17. SHORT COMINGS OF ANGLE’S CLASSIFICATION DOES NOT CONSIDER MALOCCLUSION IN VERTICAL AND TRANSVERSE PLANE. CANNOT BE APPLIED IF FIRST PERMANENT MOLARS ARE MISSING. CANNOT BE USED IN DECIDUOUS DENTITION. DOES NOT INDICATE THE ETIOLOGY OF MALOCCLUSION. NO SKELETAL RELATIONSHIP IS CONSIDERED MALFUNCTIONS OF MUSCLES AND BONES ARE OVERLOOKED. DOES NOT INDICATE THE COMPLEXITY OF THE PROBLEM. www.indiandentalacademy.com
  18. 18. MODIFICATIONS LISCHERS DEWEYS HOWARDS TAYALORS www.indiandentalacademy.com
  19. 19. LISHERS MODIFICATION             NEUTROCCLUSION DISTOCCLUSION MESIOCCLUSION BUCCOCCLUSION LINGUOCCLUSION SUPRAOCCLUSION INFRAOCCLUSION MESIOVERSION DISTOVERSION TRANSVERSION AXIVERSION TORSIVERSION www.indiandentalacademy.com
  20. 20. DEWEYS MODIFICA TION ANGLES CLASS I TYPE I CROWDED ANTERIORS TYPE 2 MAXILLARY INCISORS ARE PROCLINED AND SPACED TYPE 3 ANTERIOR CROSS BITE TYPE 4 POSTERIOR CROSSBITE TYPE 5 IS SIMILAR TO TYPE 1 BUT IS DUE TO DRIFTING OF TEETH www.indiandentalacademy.com
  21. 21. ANGLES CLASS II NO MODIFICATIONS ANGLES CLASS III TYPE I OVERLAPED BY MAXILLARY ARE MANDIBULAR INCISORS CROWDE TYPE II UPPER AND LOWER ANTERIORS ARE IN EDGE TO EDGE RELATION TYPE III ANTERIOR CROSS BITE www.indiandentalacademy.com
  22. 22. HOWARDS MODIFICATION ANGLES CLASS II GROWTH PROBLEM ANGLES CLASS I NON GROWTH PROBLEM TAYLORS MODIFICATION BIMAXILLARY PROTRUSION CLASS IV www.indiandentalacademy.com
  23. 23. SIMON CLASSIFICATION FRANKFORT HORIZONTAL PLANE ORBITAL PLANE ATTRACTION ABTRACTION PROTRACTION RETRACTION MID SAGITAL PLANE CONTRACTION www.indiandentalacademy.com DISTRACTION
  24. 24. ADVANTAGES 1 . 3 DIMENSIONAL - MORE PRECISE 2. LAYS EMPHASIS ON THE ORIENTATION OF DENTAL ARCHES TO THE FACIAL SKELETON DISADVANTAGES IT IS TIME CONSUMING AND CUMBERSOME www.indiandentalacademy.com
  25. 25. BAUME CLASSIFICATION OF PRIMARY TEETH STRAIGHT OR FLUSH TERMINAL PLANE CLASS I OR CLASS II CLASS I OR CLASS III MESIAL STEP CLASS II DISTAL STEP www.indiandentalacademy.com
  26. 26. www.indiandentalacademy.com
  27. 27. ETIOLOGICAL CLASSIFICATION BY MOYER'S OSSEOUS MUSCULAR DENTAL www.indiandentalacademy.com
  28. 28. BALLARD'S CLASSIFICATION CLASS I CLASS II CLASS III www.indiandentalacademy.com
  29. 29. VENN DIAGRAM www.indiandentalacademy.com
  30. 30. ACKERMAN AND PROFIT CLASSIFICATION DIAGRAMATIC CLASSIFICATION OF MALOCCLUSION IN 1960 STEP 1 ALIGNMENT AND SYMMETRY STRAIGHT (ORTHOGNATHIC) CONVEX CONCAVE PROFILE STEP 2 IDEAL CROWDING SPACING AND DIVERGENCE STEP 3 TRANSVERSE PLANE STRAIGHT ANTERIOR POSTERIOR BUCCO LINGUAL RELATIONSHIP OF POST TEETH www.indiandentalacademy.com
  31. 31. STEP 4 SAGITAL PLANE ANGLES CLASS I ANGLES CLASS II ANGLES CLASS III STEP 5 VERTICAL PLANE BITE DEPTH OPEN BITE DEEP BITE SKELETAL DENTAL www.indiandentalacademy.com
  32. 32. Right now my life is just one learning experience after another…… By the end of the week I should be a genius! Jeanette Osias www.indiandentalacademy.com
  33. 33. THANK YOU www.indiandentalacademy.com

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