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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ES is usually observed at the time of eruption of the mandibular first molars, but it has been noted occurring with maxillary first molars and mandibular second molars 1,2.

Eruption sequestrum – case report and histopathological findings

How to cite this article. Retrieved from ” https: The pathological process is as follows:. In an unusual case of ES, the specimen consisted of a small irregular calcified mass, composed of dentin and covered in areas by fragments of bacteria-infected cementum 3.

Eruption sequestrae – three case reviews. The histological diagnosis was ES Fig. Intraoral examination revealed a small white fragment, approximately 0. No significant medical condition was reported. The extracted fragment was preserved in formalin for 72 h and submitted to histological processing for microscopic analysis.

Openings in this involucrum allow debris and exudates including pus to pass from the sequestrum via sinus tracts to the skin. Although previously thought to have little clinical significance 1ES may retain biofilm accumulation and lead to pericoronitis, localized swelling, discomfort during mastication, and demineralization or dental caries if it remains for a prolonged time 2. Clinical and radiographic follow-up visits scheduled at short intervals and then every 6 months revealed normal postoperative conditions.

This can occur due to reduction of osteoclast activity and of bone resorption mediated by dental follicle during tooth eruption caused by apoptosis of reduced enamel epithelium 4. 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.

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The treatment plan included surgical removal of this fragment. J Clin Pediatr Dent ; Figures 1 to 3 illustrate the clinical and histopathological features of the case.

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ES may also be retained by tissue covering the distal marginal ridge of an erupting tooth 2. This page was last edited on 27 Octoberat ES consists of a small irregular bone spicule, but it can also correspond to the occlusal anatomy of teeth 2.

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. There was neither history of pain nor evidence of dental caries or abnormality in other soft tissues. ES is an uncommon clinical finding. This article does not cite any sources. Apoptosis of the reduced enamel epithelium and its implications for bone resorption during tooth eruption. Signs of necrosis were observed on the periphery.

The so-called eruption sequestrum. It is usually associated with the permanent mandibular first molar 1,3,as described in the patient of this case. This major occurrence in mandibular first molars can be due to these teeth with an ectopic path of eruption, with the mesial cusps at some stage lying mesial to the distal root of the second primary molar 3.

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A biopsy of the area was excised under local anesthesia. Eruption sequestra in children.

Eruption sequestrum–case report and histopathological findings.

Na periferia, sinais de necrose foram evidenciados. The microscopic analysis showed non-viable bone tissue of large trabeculae with empty sequewtrum, evidenced by lack of osteocytes in the lacunae.

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Osteitis fibrosa cystica Brown tumor. Osteolysis Hajdu-Cheney syndrome Ainhum. It is a complication sequela of osteomyelitis. Eruption sequestrum – case report and histopathological findings.

All sequestrjm contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Spongy osseous tissue with an inflammatory cell infiltrate and empty lacuna-like spaces were also identified, in accordance to similar preliminary findings 7.

There was neither history of oral-facial trauma nor abnormalities upon extraoral examination. As its early recognition is important for preventing a future inadequate surgical intervention, the fragment was removed surgically in this patient, seqeustrum in other cases 2.

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.

Microscopic examination revealed large trabeculae with empty lacunae and a minimal amount of existing spongy bone consisting of acute inflammatory cells neutrophils. Unsourced material may be challenged and removed.

Signs of necrosis were found on the periphery. At the 1-week postoperative appointment, the patient was evaluated clinically, although no significant signs and symptoms were revealed. Services on Demand Journal. A white small fragment, 0. In addition, Maki et al. This paper reports a case of unilateral eruption sequestrum in a sequestrmu Brazilian boy and describes its histopathological findings.

Br Dent J ; ES is a mass coronally of the erupting tooth with broader borders 3. Eruption sequestrum is an uncommon disturbance in eruption and consists of small fragments of calcified tissue overlying the crowns of erupting permanent molar teeth, especially at the time of eruption of the mandibular first molars.