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Bone Density and Dental External Apical Root Resorption

  • Craniofacial Skeleton (WE Roberts, Section Editor)
  • Published:
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Abstract

When orthodontic patients desire shorter treatment times with aesthetic results and long-term stability, it is important for the orthodontist to understand the potential limitations and problems that may arise during standard and/or technology-assisted accelerated treatment. Bone density plays an important role in facilitating orthodontic tooth movement (OTM), such that reductions in bone density can significantly increase movement velocity. Lifestyle, genetic background, environmental factors, and disease status all can influence a patients’ overall health and bone density. In some individuals, these factors may create specific conditions that influence systemic-wide bone metabolism. Both genetic variation and the onset of a bone-related disease can influence systemic bone density and local bone density, such as observed in the mandible and maxilla. These types of localized density changes can affect the rate of OTM and may also influence the risk of unwanted outcomes, i.e., the occurrence of dental external apical root resorption (EARR).

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Acknowledgments

• This study PI13/00310 was supported by the Instituto de Salud Carlos III (Plan Estatal de I+D+i 2013–2016) and co-financed by the European Development Regional Fund “A way to achieve Europe” (ERDF)

• USA NIH P30GM110788 COBRE III (LAM, JKH) and the University of Kentucky E. Preston Hicks Endowed Professorship (JKH).

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Authors and Affiliations

  1. Department of Orthodontics, Complutense University of Madrid, Plaza Ramon y Cajal sn, Madrid, Spain

    Alejandro Iglesias-Linares

  2. University of Kentucky Center for the Biologic Basis of Oral/Systemic Diseases, 1095 Veterans Administration Drive, HSRB Room 414, Lexington, KY, 40536-0305, USA

    Lorri Ann Morford & James Kennedy Hartsfield Jr

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  1. Alejandro Iglesias-Linares
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  3. James Kennedy Hartsfield Jr
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Correspondence to James Kennedy Hartsfield Jr.

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Alejandro Iglesias-Linares reports grants from Instituto de Salud Carlos III and ERDF during the conduct of the study. Lorri Morford reports grants from National Institutes of Health, during the conduct of the study. Jim Hartsfield reports grants from National Institutes of Health, during the conduct of the study.

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Iglesias-Linares, A., Morford, L.A. & Hartsfield, J.K. Bone Density and Dental External Apical Root Resorption. Curr Osteoporos Rep 14, 292–309 (2016). https://doi.org/10.1007/s11914-016-0340-1

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