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Natl J Maxillofac Surg. 2019 Jul-Dec;10(2):260-266. doi: 10.4103/njms.NJMS_22_17. Epub 2019 Nov 12.

Treatment of extraoral submental sinus tract associated with large periapical lesion of traumatized lower central incisors teeth by periapical surgery and demineralized freeze-dried bone allograft.

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1
Department of Periodontology, Chandra Dental College and Hospital, Barabanki, Uttar Pradesh, India.

Abstract

The purpose of present case report was to observe the effect of demineralized freeze-dried bone allograft (DFDBA) when combined with periapical surgery for the treatment of extraoral submental sinus tract associated with large periapical lesion of traumatized lower central incisors teeth. A patient complains of extraoral submental draining sinus tract since 6 months due to trauma of lower central incisors teeth 1 year back. Radiographical investigation showed large periapical lesion associated with lower central incisors teeth. The patient was planned for treatment by periapical surgery and DFDBA. The treatment process includes elevation of full-thickness flap, debridement of periapical lesion, root canal treatment, defect fill with DFDBA, and suturing of full-thickness flap at its original position. Complete resolution of extraoral submental sinus tract was achieved after 1 week, and periapical lesion was repaired after 1 year. Thus, DFDBA was effective for the treatment of extraoral submental sinus tract associated with large periapical lesion of traumatized lower central incisors teeth.

KEYWORDS:

Demineralized freeze-dried bone allograft; periapical lesion; periapical surgery; sub-mental sinus

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