La radiologia medica

, Volume 124, Issue 1, pp 27–33 | Cite as

Idiopathic osteosclerosis in the maxillomandibular area

  • Constantino Ledesma-MontesEmail author
  • María Dolores Jiménez-Farfán
  • Juan Carlos Hernández-Guerrero



To test a more complete set of morphometric radiographic parameters to evaluate the idiopathic osteosclerosis (IO) lesions located in the maxillomandibular area and to know their features during routine radiographic evaluation.

Materials and methods

Radiographs from patients attending the oral diagnosis clinic of our institution were reviewed. Evaluated parameters were gender and age of the patients, size, side, homogeneity, morphology, radiodensity, mineralization, borders, relation to roots, affected tooth or teeth and location of the analyzed lesions.


Of the 6340 assessed patients, 354 (5.6%) harbored 362 lesions. IOs were more common during 2nd to 4th decades (mean age = 39 years). IO frequency rose from 1st to 3rd decades and then decreased. Size varied from 0.1 to 5.8 cm, and its frequency increased from 7 to 30 years age and then decreased too. The mandible and molar region were more commonly affected. Radiopaque image, radicular location, round shape, homogeneous core and well-defined boundaries were the more frequent IO features.


Our method allows to analyze IO lesions with precise parameters. Analysis of the results does not support the previously suggested theories to explain their origin, and these figures suggest that the so-called IOs are developmental alterations of the bone.


Idiopathic osteosclerosis Bone lesions Radiopaque osseous lesions Developmental bone alterations 


Compliance with ethical standards

Conflict of interest

The authors declare they have no conflict of interest.

Ethical standards

This article does not contain any studies with human participants or animals performed by any of the authors.

Informed consent

Informed consent was obtained from all individual participants included in the study.


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Copyright information

© Italian Society of Medical Radiology 2018

Authors and Affiliations

  1. 1.Clinical Oral Pathology Laboratory, División de Estudios de Posgrado e Investigación, Facultad de OdontologíaUniversidad Nacional Autónoma de MéxicoMexicoMexico
  2. 2.Laboratory of Immunology, División de Estudios de Posgrado e Investigación, Facultad de OdontologíaUniversidad Nacional Autónoma de MéxicoMexicoMexico

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