Diagnosis in orthodontics /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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Diagnosis in orthodontics /certified fixed orthodontic courses by Indian dental academy

  1. 1. DIAGNOSIS IN ORTHODONTICS INDIAN DENTAL ACADEMY Leader in continuing dental education www.indiandentalacademy.com www.indiandentalacademy.com
  2. 2. The first step towards cure is to know what the disease is. - Latin proverb www.indiandentalacademy.com
  3. 3. Diagnosis Treatment is secondary….. Primary task PROBLEM PLAN A TREATMENT… www.indiandentalacademy.com
  4. 4. Diagnosis Diagnosis involves development of a comprehensive & concise database of pertinent information, sufficient to understand the patients problem. •The DATA can be derived from…. Diagnostic- aids www.indiandentalacademy.com
  5. 5. Diagnosis Diagnostic- aids Essential •Case history •Clinical examination •Study models •Radiographs •IOPA •OPG •Lateral ceph •Facial photographs Supplemental •Specialized radiographs •P-A Ceph •Occlusal •Shift –cone technique •TMJ X-ray •Hand and wrist X-ray •Electromyography •Diagnostic set-up www.indiandentalacademy.com
  6. 6. Essential diagnostic aids Case history Personal details  Chief complaint  Medical history  Dental history  Pre-natal history  Post-natal history  Family history  www.indiandentalacademy.com
  7. 7. CASE HISTORY Prenatal and Natal history Placental transfer of drugs Forceps injury, Congenital anomalies Childhood medical history Respiratory obstruction Tonsillectomy, Childhood diseases, www.indiandentalacademy.com
  8. 8. History of habits : Thumb sucking , tongue thrusting , lip and nail biting , mouth breathing . www.indiandentalacademy.com
  9. 9. Family history : Genetic influence on malocclusion Maturational status : Increase in height , Change of voice in males , Menarche in females . Past dental history : Caries, Restorative treatment, Extraction of deciduous / permanent teeth , periodontal problems , history of trauma . www.indiandentalacademy.com
  10. 10. Essential diagnostic aids Clinical examination General- physical •Ht & wt •Gait •Posture •Body-build Extra-oral Intra-oral •Tongue •Head shape •Palate •Facial form •Facial symmetry •Gingiva •Facial proportion •Frenal attachment •Tonsils & adenoids •Facial profile •Facial divergence •Assessment of dentition •Functional examination •Growth pattern •Examination of lip, nose & chin www.indiandentalacademy.com
  11. 11. CLINICAL EXAMINATION General examination : Gait Posture Body type Height Weight www.indiandentalacademy.com
  12. 12. General physical examination Body-build (physique) Aesthetic-THIN: narrow dental arches.  Pletoric -OBESE: large square dental arches  Athletic –NORMAL: normal sized dental arches  •Sheldon's classification: •Ectomorphic •Mesomorphic •Endomorphic www.indiandentalacademy.com
  13. 13. Extra – oral examination Shape of the head Mesocephalic: average shape of head- normal dental arches.  Dolicocephalic: long and narrow head- narrow dental arches.  Brachycephalic: broad and short head- broad dental arches.  www.indiandentalacademy.com
  14. 14. Extra – oral examination Facial form Mesoprosopic: normal face form  Euryprosopic: broad & short  Leptoprosopic: long & narrow.  www.indiandentalacademy.com
  15. 15. Extra – oral examination Facial symmetry examine the facial proportion in transverse and vertical planes.  Example:      Congenital defects Hemifacial hypertrophy Unilateral condylar ankylosis Unilateral condylar hyperplasia. www.indiandentalacademy.com
  16. 16. Vertical facial- proportion “Vertical thirds of face” Long face Short face www.indiandentalacademy.com
  17. 17. Long face& short face www.indiandentalacademy.com
  18. 18. Transverse facial- proportion “Rule of fifths”    Middle fifth Medial two fifths Outer two fifths www.indiandentalacademy.com
  19. 19. Extra – oral examination Facial profile Straight  Convex  concave  www.indiandentalacademy.com
  20. 20. Facial divergence  Facial angle. i.e. angle bw N- Pog line to FHplane.    Straight/ orthognathic face :90* Anterior divergent face: more than 90* Posterior divergence: less than 90* www.indiandentalacademy.com
  21. 21. Growth pattern  FMPA- Frankfurt mandibular plane angle www.indiandentalacademy.com
  22. 22. Examination of lips Incompetent Potentially incompetent www.indiandentalacademy.com Competent
  23. 23. Examination of nose Nose size, contour  Nasolabial angle: 98*  www.indiandentalacademy.com
  24. 24. Examination of chin www.indiandentalacademy.com
  25. 25. Smile elements Extent of the smile is outlined by Curvature of the upper & lower lip  Position of the angle of mouth  Degree of exposure of both anterior & posterior teeth,gingiva,width of the buccal corridor.  Smile can be classified as Passive  Active (moderate)  laugh  www.indiandentalacademy.com
  26. 26. Smile element www.indiandentalacademy.com
  27. 27. Smile elements Lower lip line Smile line Negative space www.indiandentalacademy.com
  28. 28. THANK YOU www.indiandentalacademy.com
  29. 29. RADIOGRAPHS OPG PAs IO www.indiandentalacademy.com Late ral ceph
  30. 30. Diagnosis in Orthodontics Recent advances in diagnosis. 1. Digital Photography 2. Digital Radiographs a) Degiceph and Degigraphs b) Denofacial Planner c) Vistadent – For surgical VTO d) Dentoptix www.indiandentalacademy.com
  31. 31. Diagnosis in Orthodontics 3. Computerized tooth width analysis. GATWD- Graphical Analysis of Tooth Width Discrepancy ( Ho-freer) 4. Arthrography – For TMJ 5. TMJ Leaser arthroscopy 6. MRI – Magnetic Resonance Imaging www.indiandentalacademy.com
  32. 32. LATERAL CEPHALOGRAMS TRACING www.indiandentalacademy.com
  33. 33. Diagnosis in Orthodontics 7. Computed Tomography 8. Micro Computed Tomography 9. DICOM – Digital Imaging Communication in Medicine. www.indiandentalacademy.com and
  34. 34. Thank you For more details please visit www.indiandentalacademy.com www.indiandentalacademy.com

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