Classification of malocclusion /certified fixed orthodontic courses by Indian dental academy
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The document discusses the classification of malocclusion, detailing various systems and their shortcomings, emphasizing the importance of grouping malocclusions for ease of reference and potential treatment considerations. It outlines the definition of normal and ideal occlusion, the six keys of normal occlusion, and several classification systems, including the Angle system and its modifications. Additionally, it highlights the limitations of these classifications and provides insights into alternative systems and approaches.
Classification of malocclusion /certified fixed orthodontic courses by Indian dental academy
- 2. INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
- 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
- 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. 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. 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
- 10. ANY DEVIATION IN NORMAL OCCLUSION. www.indiandentalacademy.com
- 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. 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. 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
- 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. 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
- 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. 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. HOWARDS MODIFICATION ANGLES CLASS II GROWTH PROBLEM ANGLES CLASS I NON GROWTH PROBLEM TAYLORS MODIFICATION BIMAXILLARY PROTRUSION CLASS IV www.indiandentalacademy.com
- 23. SIMON CLASSIFICATION FRANKFORT HORIZONTAL PLANE ORBITAL PLANE ATTRACTION ABTRACTION PROTRACTION RETRACTION MID SAGITAL PLANE CONTRACTION www.indiandentalacademy.com DISTRACTION
- 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. 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
- 28. BALLARD'S CLASSIFICATION CLASS I CLASS II CLASS III www.indiandentalacademy.com
- 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. 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. 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