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Related Experiment Videos

The HLD (CalMod) index and the index question

W S Parker1

  • 1Department of Health Services, State of California, and School of Medicine, University of California, Davis, Sacramento, USA. parkerws@aol.com

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
|August 26, 1998
PubMed
Summary

The HLD (CalMod) Index addresses the need for objective malocclusion assessment in public health programs. This index identifies handicapping malocclusions for treatment eligibility, proving effective in large-scale application.

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Area of Science:

  • Dental Public Health
  • Orthodontics
  • Health Services Research

Background:

  • Public health programs (Medicaid, Champus) require demonstrating
  • medically necessary handicapping malocclusion
  • for treatment coverage.
  • Historical attempts to define malocclusion based on an
  • ideal
  • standard have failed statistical validity.
  • The American Association of Orthodontists (AAO) has shifted its stance on malocclusion indexing over time.

Purpose of the Study:

  • To review the challenges in defining and measuring handicapping malocclusion for public health programs.
  • To present the HLD (CalMod) Index as a potential solution for identifying medically necessary malocclusion.
  • To evaluate the practical application and effectiveness of the HLD (CalMod) Index.

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Main Methods:

  • The HLD (CalMod) Index, a modification of earlier suggestions, was developed to identify severe malocclusions and tissue-destructive conditions.
  • Screening of over 135,000 patients by qualified orthodontists using the HLD (CalMod) Index.
  • Detailed analysis of study models for nearly 50,000 patients screened with the index.

Main Results:

  • The HLD (CalMod) Index has been applied and tested across a large patient population.
  • Two studies were conducted to assess outcomes and identify areas for improvement.
  • Necessary modifications and guidelines were developed based on study findings.

Conclusions:

  • The malocclusion index problem is dynamic and requires practical solutions.
  • The HLD (CalMod) Index has demonstrated successful application and testing in large numbers.
  • This review provides a factual overview of the malocclusion index issue and the HLD (CalMod) Index as a viable solution in the US.