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Eruption sequestrum: x-ray microanalysis and microscopic findings

  • Maki K.1,*,
  • Ansai T.2
  • Nishida I.1
  • Zhang M.3
  • Kojima Y1
  • Takehara T.2
  • Kimura M.1

1Department of Pediatric Dentistry, Kyushu Dental College, Kitakyushu, Japan

2Department of Preventive Dentistry, Kyushu Dental College, Kitakyushu, Japan

3Department of Oral Pathology, Kyushu Dental College, Kitakyushu, Japan

DOI: 10.17796/jcpd.29.3.477466743v232211 Vol.29,Issue 3,July 2005 pp.245-248

Published: 01 July 2005

*Corresponding Author(s): Maki K. E-mail: k-maki@kyu-dent.ac.jp

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Abstract

A 12 year-old girl with eruption sequestrum of the mandibular left second molars is reported. Intra-oral findings revealed that a small hard tissue fragment white in color and with bone-like hardness on the occlusal surface of the mandibular second molar which was erupting. Histopathologically, the fragments consisted of necrotized cortical bone. Chronic inflammatory alterations were also observed in the gingiva in the area of contact with the osseous tissue. X-ray microanalyzer findings revealed the percentages of calcium and phosphorous (by weight) as 78.41% and 21.59%, respectively, for a cal-cium to phosphorous ratio of 3.63, which was higher than that seen in normal osseous tissue.


Cite and Share

Maki K.,Ansai T.,Nishida I.,Zhang M.,Kojima Y,Takehara T.,Kimura M.. Eruption sequestrum: x-ray microanalysis and microscopic findings. Journal of Clinical Pediatric Dentistry. 2005. 29(3);245-248.

URL:

https://www.jocpd.com/articles/10.17796/jcpd.29.3.477466743v232211

References

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