J Korean Assoc Oral Maxillofac Surg.  2017 Dec;43(Suppl 1):S9-S13. 10.5125/jkaoms.2017.43.S1.S9.

Persistent lingual paresthesia caused by a displaced tooth fragment: a case report and literature review

• Torul D
• Kazan D
• Bereket MC
• Karli R

• KMID: 2399919
• DOI: http://doi.org/10.5125/jkaoms.2017.43.S1.S9

Abstract

Accidental displacement of the third molar tooth or its fragment into the anatomical spaces is a rare but potentially serious complication. The most common sites of mandibular third molar displacement are the sublingual, submandibular, and pterygomandibular spaces. Removal of a displaced tooth or its fragments from these spaces may be difficult due to poor access and the vital structures involved in these spaces; therefore, removal may result in permanent damage. This article is intended to provide a concise update of the reported cases of submandibular displacement and to present a case of intraoral management of mandibular third molar root fragments that were displaced into the submandibular space.

Keyword

Tooth extraction; Third molar; Displacement; Paresthesia

MeSH Terms

Molar, Third
Paresthesia*
Tooth Extraction
Tooth*

Figure

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  Fig. 1 Appearance of the displaced roots on panoramic radiograph.

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  Fig. 2 Cone-beam computed tomography scan showing the displaced roots in the right submandibular space on the transversal, coronal, and sagittal planes.

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  Fig. 3 Intraoperative view of the surgical area.

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  Fig. 4 Image of the removed tooth fragments.

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