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Advances in diagnostic aids/certified fixed orthodontic courses by Indian dental academy
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Advances in diagnostic aids/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.

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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Advances in diagnostic aids/certified fixed orthodontic courses by Indian dental academy Advances in diagnostic aids/certified fixed orthodontic courses by Indian dental academy Presentation Transcript

  • Advances in Diagnostic Aids • Digital Cephalometry • Videocephalometry • DigiGraph • CT Scan • MRI www.indiandentalacademy.com
  • • Structured Light techinque • Laser scanning • Stereophotogrammetry • 3-D Study models www.indiandentalacademy.com
  • CEPHALOMETRIC RADIOGRAPHS • X- ray was discovered by Roentgen in1895. • W.A.Prince in 1900 – showed the importance of radiography as a diagnostic aid in orthodontics. • Hofrath (Germany) and Broadbent (US) in 1934 provided both, a research and a clinical tool for the study of malocclusion and underlying skeletal disproportion which still remains relatively unchanged today. www.indiandentalacademy.com
  • Lateral cephalogram have two purposes: - 1. It reveals details of skeletal and dental relationships that cannot be observed in any other way. 2. It evaluates the precise evaluation of response to the treatment. www.indiandentalacademy.com
  • Limitations of 2-dimensional cephalogram 1. It is a two dimensional representation of a three dimensional object. 2. Cephlalometric analyses are based on the assumption of perfect superimposition of the right and left sides, but this is observed infrequently. www.indiandentalacademy.com
  • Hand Wrist Radiograph www.indiandentalacademy.com
  • www.indiandentalacademy.com
  • Hand Wrist Radiographs ♦ Chronological age is often not sufficient for assessing the developmental stage and maturity of the patient. ♦ Thus, biological age has to be determined. ♦ Hand Wrist radiographs are an effective tool to assess the biological age. www.indiandentalacademy.com
  • ♦ In the early 1900s, Pryor(1907), Rotch(1908), and Crampton(1908) began tabulating indicators of maturity on sequential radiographs of the growing hand and wrist. ♦ Todd(1937) compiled hand-wrist data that was further elaborated on by Greulich and Pyle(1959) in atlas form. www.indiandentalacademy.com
  • ♦ Fishman(1979) developed a system of hand- wrist skeletal maturation indicators (SMIs) using four stages of bone maturation at six anatomic sites on the hand and the wrist. ♦ Hagg and Taranger(1980) created a method using the hand-wrist radiograph to correlate certain maturity indicators to the pubertal growth spurt. www.indiandentalacademy.com
  • Cervical Vertebrae Maturation Index www.indiandentalacademy.com
  • Study Cast Analysis www.indiandentalacademy.com
  • ♦ Study cast analysis is a three-dimensional assessment of the maxillary and mandibular dental arches and the occlusal relationships. ♦ The importance of this method of evaluation for orthodontic diagnosis and treatment planning in the past been over-emphasized. www.indiandentalacademy.com
  • www.indiandentalacademy.com
  • Symmetric Maxillary Arch www.indiandentalacademy.com
  • Midline shift in Maxillary Arch (right) www.indiandentalacademy.com
  • Measurement of Palatal Height www.indiandentalacademy.com
  • DIGIGRAPH • It allows any cephalometric point to be located within the three planes of space. • Digigraph work station is about 5x3x7 feet and requires about 25 feet of working area. www.indiandentalacademy.com
  • • Ear rods and forehead and posterior head pieces are used to minimize patient movement. • The ear rods can be removed so that facial and intraoral images can also be recorded while the patient is sitting in the adjustable chair. www.indiandentalacademy.com
  • Videocephalometry www.indiandentalacademy.com
  • Step 1 www.indiandentalacademy.com
  • Step 2 www.indiandentalacademy.com
  • Digital Radiography www.indiandentalacademy.com
  • • In digital radiography, instead of the silver halide grain, the image is constructed using pixels. • A digital image is a matrix of square pieces, or picture elements (pixels), that form a mosaic pattern from which the original image can be reconstructed for visual display. www.indiandentalacademy.com
  • Thank you For more details please visit www.indiandentalacademy.com www.indiandentalacademy.com