We treated a case of eruption sequestrum in an 8-year 1-month old boy. The patient first came to our clinic with a chief complaint of discomfort in the mandibular. The literature relating to so-called eruption sequestra is reviewed. Two cases in which there were calcified fragments adjacent to the crowns of all four first. Eruption Sequestrum is an unusual disturbance, which consists of fragments of calcified mass overlying the crown of erupting permanent mandibular molar teeth .

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How to cite this article. Due to the avascular nature of this bone, antibiotics which travel to sites of infection via the bloodstream poorly penetrate these tissues, hence the difficulty in treating chronic osteomyelitis. Bone fractures Gross pathology. This article does not cite any sources. The so-called eruption sequestrum. ES is an uncommon clinical finding.

The histological diagnosis was ES Fig. Views Read Edit View history. There was neither history of pain nor evidence of dental caries or abnormality in other soft tissues.

A white small fragment, 0. After completion of the treatment, follow-up visits were scheduled every 6 months for monitoring dental plaque control as sequeatrum as for clinical and radiographic assessment Fig.

Informed written consent was obtained from the patient’s mother and this report was approved by the institutional Ethics Committee Protocol This major occurrence in mandibular sdquestrum molars can be due to these teeth with an ectopic path of eruption, eryption the mesial cusps at some stage lying mesial to the distal root of the second primary molar 3.

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If seen radiographically before tooth eruption, its intraoral appearance may be predicted 1. The treatment plan included surgical removal of this fragment. Received May 22, Accepted November 8, Clinical and radiographic follow-up visits scheduled at short intervals and then every 6 months revealed normal postoperative conditions.

An unusual eruption sequestrum. This paper reports a case of unilateral eruption sequestrum in a 7-year-old Brazilian boy and describes its histopathological findings. The biopsy tissue was composed of a 0.

Eruption sequestrum – case report and histopathological findings

Ischaemia Avascular necrosis Osteonecrosis of the jaw Algoneurodystrophy Hypertrophic pulmonary osteoarthropathy Nonossifying fibroma Pseudarthrosis Stress fracture Fibrous dysplasia Monostotic Polyostotic Skeletal fluorosis bone cyst Aneurysmal bone cyst Hyperostosis Infantile cortical hyperostosis Osteosclerosis Melorheostosis Pycnodysostosis. Rarely, a sequestrum may turn out to be an osteoid osteomaa rare tumor of the bone. Osteolysis Hajdu-Cheney syndrome Ainhum.

However, when the fragments are large or the eruption speed is slow, small bone fragments on the occlusal surface remain unresorbed and exposed to the mucosa prior to molar eruption, which forms ES 1. Although ES has been reported as a fragment consisting of compact, non-viable bone 1,2,5Watkins 3 described a case composed of dentin and covered in areas by fragments of bacteria-infected cementum.

ES may also be retained by tissue covering the distal marginal ridge of an erupting tooth 2.


Eruption sequestra in children. Within the bone itself, the haversian canals become blocked with scar tissue, and the bone becomes surrounded by thickened periosteum. ES is usually observed at the time of eruption of the mandibular first molars, but it has been noted occurring with maxillary sequestruk molars and mandibular second molars 1,2. Intraoral examination revealed a small white fragment, approximately 0.

The aim of this paper is to report a case of unilateral ES in a 7-year-old Brazilian boy and to describe its histopathological findings. The position of this spicule overlies directly the central occlusal fossa, but within the soft tissue 3.

Eruption sequestrum–case report and histopathological findings.

In addition, Maki et al. As its early recognition is important for preventing sqeuestrum future inadequate surgical intervention, the fragment was removed surgically in this patient, as in other cases 2.

At the same time as this, new bone is forming known as involucrum. By using this site, you agree to the Terms of Use and Privacy Policy. Openings in this involucrum allow debris and exudates including pus to pass from the sequestrum via sinus tracts to the eruptioh. J Clin Pediatr Dent ;