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    CEREC Biogeneric – a scientific revolution.
    March 10th, 2012

    CEREC Biogeneric – a scientific revolution.

    Professor Mehl und Professor Blanz, the founders of the CEREC Biogeneric principle, set themselves ambitious goals: to make allowance for all valid occlusal concepts, to mathematically describe any given morphology, and to come up wit a precise and uniquely customized restoration for each individual patient. After years of painstaking research they found the formula for the genetic blueprint of morphology and occlusion.

    “Our first fundamental insight was that the entire spectrum of dental and occlusal morphologies can be described using just a few parameters. The second fundamental insight was that this set of parameters is capable of describing various teeth belonging to the same patient. With the basic information derived from an intact tooth we are in a position to reconstruct missing portions of any tooth by transferring these patient-specific parameters. In the case of inlays we do not even require an intact tooth. The information contained in the residual tooth tissue is sufficient.”

    Professor Albert Mehl discussing his research breakthrough

    The original morphology is reconstructed on the basis of information derived from the adjacent or antagonist teeth.


    Want to learn more about CEREC Biogeneric? Read the
      Interview with Prof. Dr. Albert Mehl, who developed CEREC Biogeneric design.

    The genetic blueprint and its hidden information
    The easy-to-use CEREC Biogeneric software is the result of thousands of measurements of intact teeth and years of intensive research into morphology and function. Highly complex statistical programs were deployed in order to process the measurement data. The researchers succeeded in identifying a variety of characteristic morphological traits and interdependencies. These findings were then verified in a series of simulations.

    Natural laws instead of rule of thumb
    What does patient specific occlusal surface design have to do with the cubic relationship between the mesial ridge point and the central cusp incline? Quite simply, this is one of the objectively measurable parameters for the mathematical description of naturally occurring tooth morphologies.

    Scientific literature:

    2005    Mehl, A., Blanz, V., Hickel, R.: Was ist der “Durchschnittszahn”? – Ein mathematischer Ansatz für die automatische Berechnung einer repräsentativen Kaufläche. Dtsch Zahnärztl Z 60, 335-341
    2005Mehl, A., Blanz, V.: A new approach for automatic reconstruction of occlusal surfaces with the biogeneric tooth model. In: International Journal of  Computerized Dentistry 8, 13-25.
    2005Mehl, A., Blanz, V., Hickel, R.: Biogeneric tooth: a new mathematical representation for tooth morphology in lower first molars. In: European Journal of Oral Sciences 113, 333-340.
    2005Mehl, A., Blanz, V., Hickel, R.: A new mathematical process for the calculation of average forms of teeth. In: The Journal of Prosthetic Dentistry 95, 561-566.
    2005Blanz, V., Mehl, A., Vetter, T., Seidel, H.-P.: A Statistical Method for Robust 3D Surface Reconstruction from Sparse Data. In: 2nd Int. Symp. on 3D Data Proc., Visualization, and Transmission, 3DPVT, 293-300.
    2006Mehl, A., Blanz, V.: Biogeneric tooth reconstruction – A new fundamental method to describe and reconstruct the occlusal morphology of teeth. In: State of the Art of CAD/CAM Restorations – 20 Years of Cerec, 113-121.
    2006Richter J., Mehl, A.: Evaluation for the Fully Automatic Inlay Reconstruction by Means of the Biogeneric Tooth Model / Evaluation zur vollautomatischen Inlayrekonstruktion mittels biogenerischem Zahnmodell. In: International Journal of Computerized Dentistry 9, 101-111.
    2006Richter, J.: Evaluation der vollautomatischen Inlayrekonstruktion mittels biogenerischem Zahnmodell. Med. Diss: München.
    2007Litzenburger A.: Parametrisierung unbekannter Zahnoberflächen mittels des biogenerischen Zahnmodells. Med. Diss: München.
    2009Ast, A.: Vollautomatische Antagonistenrekonstruktion bei ersten Molaren mittels biogenerischem Zahnmodell. Med. Diss: München.
    2010Ender, A., Mörmann, W., Mehl, A.: Efficiency of a mathematical model in generating CAD/CAM-partial crowns with natural tooth morphology. In: Clinical Oral Investigations (DOI 10.1007/s00784-010-0384-z, published online 9 February).
    Post created by Woodbury Dental and Laser Clinic
    Posted in Dr V J Vadgama |

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