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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It is usually associated with the permanent mandibular first molar 1,3,as described in the patient of this case.

Eruption sequestrae – three case reviews. The treatment plan included surgical removal of this fragment. Please help improve this article by adding citations to reliable sources. By using this site, you agree to the Terms of Use and Privacy Policy. Eruption sequestrum ES is an uncommon condition first reported as an osseous fragment overlying the crown of an erupting permanent molar prior to or immediately after the emergence of the cuspal tips through the oral mucosa 1.

Osteolysis Hajdu-Cheney syndrome Ainhum. J Dent Child ; At the 1-week postoperative appointment, the patient was evaluated clinically, although no significant signs and symptoms were revealed. If seen radiographically before tooth eruption, its intraoral appearance may be predicted 1. 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.


Within the bone itself, the haversian canals become blocked with scar tissue, and the bone becomes surrounded by thickened periosteum. 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.

Eruption sequestrum | definition of eruption sequestrum by Medical dictionary

After completion of the treatment, follow-up visits were scheduled every 6 months for monitoring dental plaque control as well as for clinical and radiographic assessment Fig. Bone fractures Gross pathology. Eruption sequestra in children.

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However, no signs of viable bone were evident throughout the specimen. There was neither history of pain nor evidence of dental caries or abnormality in other soft tissues. Views Read Edit View history.

Eruption sequestrum–case report and histopathological findings.

An unusual eruption sequestrum. Retrieved from ” https: The so-called eruption sequestrum.

Signs of necrosis were found on the periphery. In most cases, the small bone fragments are absorbed completely prior to eruption of the molar. At the same time as this, new bone is forming known as involucrum. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License.

J Clin Pediatr Dent ; ES consists of a small irregular bone spicule, but it can also correspond to the occlusal anatomy of teeth 2. As its early recognition is important for preventing a future inadequate surgical intervention, the fragment was removed surgically in this patient, as in other cases 2.


Signs of necrosis were observed on the periphery. Spongy osseous tissue with an inflammatory cell infiltrate and empty lacuna-like spaces were also identified, in accordance to similar preliminary findings 7. Sequdstrum is a mass coronally of the erupting tooth with broader borders eryption.

Thus further investigations should be performed to elucidate its microscopic aspects.

Openings in this involucrum allow debris and exudates including pus to pass from the sequestrum via sinus tracts to the skin. 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.

Br Dent J ; Sequestruj biopsy of the area was excised under local anesthesia.

Eruption sequestrum–case report and histopathological findings.

No significant medical condition was reported. Periapical radiograph did not show adequately this fragment. Informed written consent was obtained from the patient’s mother and this report was approved by the institutional Ethics Committee Protocol Figures 1 to 3 illustrate the clinical and histopathological features eruptin the case.