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Copy of dental age sanjeev /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 ,or call

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  • 1. INDIAN DENTAL ACADEMY Leader in continuing dental education
  • 2. Dental age • Chronological and dental age are synchronous in the normal patient. • A child is labeled as an early or late developer if there is a difference of +/- 2 years from the average value. • If the chronologic age of the patient is younger than the dental age, one can rely on increased growth to a greater degree than when dental age is retarded in relation to the chronologic age ( and possibly biologic age). • Dental age can be determined two methods: • - Stage of eruption • - stage of tooth mineralization on radiograph
  • 3. Stage of Eruption • Determination of dental age from observation of eruption has been the only method available for a long time • In certain cases however, the accuracy of the method is limited. • During the quiescent period in eruption, this appoach is inadequate.
  • 4. Stage of tooth mineralization on radiograph (Demirjian et al 1973) • When determining dental age radiographically according to the stages of germinations, the degree of the development of individual teeth is compared to a fixed scale. • For age determination one does not rely on the last stage of tooth formation but on the entire process of dental mineralization. • The procedure can be used for the entire deciduous and mixed dentition period, and is not influnced by early loss of deciduous teeth.
  • 5. • The calculation is made using a point evaluation system. • Each tooth is given a point value according to its state of development. • The sum of individual points gives the development value, which can be transferred into the dental age with the aid of standard tables.
  • 6. • The smaller the sum of points, the younger the dental age; the higher the sum, the older the dental age. • Experience shows that the method is sufficiently accurate if the stage of mineralization of teeth 1-7 in the left lower quadrant is examined. • The procedure is not valid for patients with several congenitally absent teeth.
  • 7. Thank you For more details please visit