CLASSIFICATION
OF
MALOCCLUSION
INDIAN DENTAL ACADEMY
Leader in continuing dental education
www.indiandentalacademy.com
www...
CLASSIFICATION SYSTEM
• IS A GROUPING OF CLINICAL CASES
OF SIMILAR APPEARANCE FOR EASE
IN HANDLING AND DISCUSSION,IT IS
NO...
OC UP
CLUSION CLOSING
“CLOSING UP”
www.indiandentalacademy.com
THE RELATIONSHIP OF THE MAXILLARY
AND MANDIBULAR TEETH WHEN THE JAWS
ARE CLOSED IN CENTRIC RELATION
WITHOUT STRAIN OF MUSC...
NORMAL AND IDEAL OCCLUSION
“NORMAL” IMPLIES TO THE VARIATIONS
AROUND AN
AVERAGE OR MEAN VALUE.
“IDEAL” IS A HYPOTHETICAL C...
SIX KEYS OF NORMAL OCCLUSION
1.MOLAR INTER-ARCHRELATIONSHIP
2.MESIODISTAL CROWN ANGULATION
3.LABIOLINGUAL CROWN INCLINATIO...
L
I
N
E
OF
O
C
C
L
U
S
I
O
Nwww.indiandentalacademy.com
C
A
T
E
R
N
A
R
Y
C
U
R
V
E
www.indiandentalacademy.com
ANY DEVIATION IN NORMAL OCCLUSION.
www.indiandentalacademy.com
WHY TO CLASSIFY?
www.indiandentalacademy.com
REASONS FOR CLASSIFYING
TO GROUP CERTAIN MALOCCLUSIONS
TOGETHER WHICH MAY OR MAY NOT
HAVE THE SAME ETIOLOGY.
EASE OF REFER...
VARIOUS SYSTEMS OF CLASSIFICATION
ANGLE SYSTEM AND ITS MODIFICATIONS
SIMONS SYSTEM
AETIOLOGICAL CLASSIFICATION
BAUME CLASS...
ANGLE SYSTEM
BY EDWARD HARTLEY
ANGLE
WAS CONSIDERED THE
FATHER OF MODERN
ORTHODONTICS
BASED ON THE ANTERO
POSTERIOR RELATI...
www.indiandentalacademy.com
CLASS II
DIVISION I
DIVISION II
TYPE A
TYPE B
TYPE C
CLASS III
TRUE
PSUEDO
CLASS II SUB DIV
CLASS III SUB DIV
www.indiande...
SHORT COMINGS OF ANGLE’S
CLASSIFICATION
DOES NOT CONSIDER MALOCCLUSION IN VERTICAL
AND TRANSVERSE PLANE.
CANNOT BE APPLI...
MODIFICATIONS
HOWARDS
TAYALORS
LISCHERS
DEWEYS
www.indiandentalacademy.com
LISHERS MODIFICATION
 NEUTROCCLUSION
 DISTOCCLUSION
 MESIOCCLUSION
 BUCCOCCLUSION
 LINGUOCCLUSION
 SUPRAOCCLUSION
 ...
DEWEYS MODIFICA TION
ANGLES CLASS I
TYPE I CROWDED ANTERIORS
TYPE 2 MAXILLARY INCISORS ARE PROCLINED AND
SPACED
TYPE 3 ANT...
ANGLES CLASS II
NO MODIFICATIONS
ANGLES CLASS III
TYPE I OVERLAPED BY MAXILLARY MANDIBULAR
INCISORS ARE CROWDED AND INCISO...
HOWARDS MODIFICATION
ANGLES CLASS II GROWTH PROBLEM
ANGLES CLASS I NON GROWTH PROBLEM
TAYLORS MODIFICATION
BIMAXILLARY PRO...
SIMON CLASSIFICATION
FRANKFORT HORIZONTAL
PLANE
ORBITAL PLANE
MID SAGITAL
PLANE
ATTRACTION
ABTRACTION
PROTRACTION
RETRACTI...
ADVANTAGES
1 . 3 DIMENSIONAL - MORE PRECISE
2. LAYS EMPHASIS ON THE ORIENTATION
OF DENTAL ARCHES TO THE FACIAL
SKELETON
DI...
BAUME CLASSIFICATION OF PRIMARY TEETH
STRAIGHT OR FLUSH
TERMINAL PLANE
MESIAL STEP
DISTAL
STEP
CLASS I
OR
CLASS II
CLASS I...
www.indiandentalacademy.com
ETIOLOGICAL
CLASSIFICATION
BY MOYER'S
OSSEOUS
MUSCULAR
DENTAL
www.indiandentalacademy.com
BALLARD'S CLASSIFICATION
CLASS I CLASS II CLASS IIIwww.indiandentalacademy.com
VENN DIAGRAMwww.indiandentalacademy.com
ACKERMAN AND PROFIT CLASSIFICATION
DIAGRAMATIC CLASSIFICATION OF MALOCCLUSION IN 1960
STEP 1
ALIGNMENT
AND
SYMMETRY
IDEAL
...
STEP 4 SAGITAL PLANE
STEP 5
ANGLES CLASS I
ANGLES CLASS II
ANGLES CLASS III
VERTICAL PLANE
OPEN BITE
DEEP BITE
SKELETAL
DE...
Right now my life is just one learning
experience after another……
By the end of the week I should be
a genius!
Jeanette Os...
THANK YOU
www.indiandentalacademy.com
For more details please visit
www.indiandentalacademy.com
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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 INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  2. 2. 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
  3. 3. OC UP CLUSION CLOSING “CLOSING UP” www.indiandentalacademy.com
  4. 4. 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. DEFINITION www.indiandentalacademy.com
  5. 5. 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
  6. 6. 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
  7. 7. L I N E OF O C C L U S I O Nwww.indiandentalacademy.com
  8. 8. C A T E R N A R Y C U R V E www.indiandentalacademy.com
  9. 9. ANY DEVIATION IN NORMAL OCCLUSION. www.indiandentalacademy.com
  10. 10. WHY TO CLASSIFY? www.indiandentalacademy.com
  11. 11. 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
  12. 12. VARIOUS SYSTEMS OF CLASSIFICATION ANGLE SYSTEM AND ITS MODIFICATIONS SIMONS SYSTEM AETIOLOGICAL CLASSIFICATION BAUME CLASSIFICATION OF PRIMARY TEETH ACKERMANN AND PROFITT CLASSIFICATION BALLARDS CLASSIFICATION WHO CLASSIFICATIONwww.indiandentalacademy.com
  13. 13. 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 MOLARwww.indiandentalacademy.com
  14. 14. www.indiandentalacademy.com
  15. 15. CLASS II DIVISION I DIVISION II TYPE A TYPE B TYPE C CLASS III TRUE PSUEDO CLASS II SUB DIV CLASS III SUB DIV www.indiandentalacademy.com
  16. 16. 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
  17. 17. MODIFICATIONS HOWARDS TAYALORS LISCHERS DEWEYS www.indiandentalacademy.com
  18. 18. LISHERS MODIFICATION  NEUTROCCLUSION  DISTOCCLUSION  MESIOCCLUSION  BUCCOCCLUSION  LINGUOCCLUSION  SUPRAOCCLUSION  INFRAOCCLUSION  MESIOVERSION  DISTOVERSION  TRANSVERSION  AXIVERSION  TORSIVERSION www.indiandentalacademy.com
  19. 19. 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
  20. 20. ANGLES CLASS II NO MODIFICATIONS ANGLES CLASS III TYPE I OVERLAPED BY MAXILLARY MANDIBULAR INCISORS ARE CROWDED AND INCISORS TYPE II UPPER AND LOWER ANTERIORS ARE IN EDGE TO EDGE RELATION TYPE III ANTERIOR CROSS BITE www.indiandentalacademy.com
  21. 21. HOWARDS MODIFICATION ANGLES CLASS II GROWTH PROBLEM ANGLES CLASS I NON GROWTH PROBLEM TAYLORS MODIFICATION BIMAXILLARY PROTRUSION CLASS IV www.indiandentalacademy.com
  22. 22. SIMON CLASSIFICATION FRANKFORT HORIZONTAL PLANE ORBITAL PLANE MID SAGITAL PLANE ATTRACTION ABTRACTION PROTRACTION RETRACTION CONTRACTION DISTRACTION www.indiandentalacademy.com
  23. 23. 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
  24. 24. BAUME CLASSIFICATION OF PRIMARY TEETH STRAIGHT OR FLUSH TERMINAL PLANE MESIAL STEP DISTAL STEP CLASS I OR CLASS II CLASS I OR CLASS III CLASS II www.indiandentalacademy.com
  25. 25. www.indiandentalacademy.com
  26. 26. ETIOLOGICAL CLASSIFICATION BY MOYER'S OSSEOUS MUSCULAR DENTAL www.indiandentalacademy.com
  27. 27. BALLARD'S CLASSIFICATION CLASS I CLASS II CLASS IIIwww.indiandentalacademy.com
  28. 28. VENN DIAGRAMwww.indiandentalacademy.com
  29. 29. ACKERMAN AND PROFIT CLASSIFICATION DIAGRAMATIC CLASSIFICATION OF MALOCCLUSION IN 1960 STEP 1 ALIGNMENT AND SYMMETRY IDEAL CROWDING SPACING STEP 2 PROFILE AND DIVERGENCE STRAIGHT (ORTHOGNATHIC) CONVEX CONCAVE STEP 3 STRAIGHT ANTERIOR POSTERIOR TRANSVERSE PLANE BUCCO LINGUAL RELATIONSHIP OF POST TEETH www.indiandentalacademy.com
  30. 30. STEP 4 SAGITAL PLANE STEP 5 ANGLES CLASS I ANGLES CLASS II ANGLES CLASS III VERTICAL PLANE OPEN BITE DEEP BITE SKELETAL DENTAL BITE DEPTH www.indiandentalacademy.com
  31. 31. 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
  32. 32. THANK YOU www.indiandentalacademy.com For more details please visit www.indiandentalacademy.com

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