• Michael F Barton, Nour Al Jalbout, Brenna L Barton, Maryam Alnuaimi, and Hamid Shokoohi.
• Harvard Medical School, Boston, MA, USA.
• Am J Emerg Med. 2023 Aug 1; 70: 576057-60.

IntroductionDental abscesses are a common reason patients present to the emergency department (ED). Facial and dental imaging are sometimes necessary to support the clinical diagnosis. While radiographs and computed tomography scans are frequently used, point-of-care ultrasound (US) offers several advantages, including decreased radiation exposure, reduced costs, and shorter patient length of stay. This report outlines the use of US in evaluating patients with suspected dental abscesses in the ED.DiscussionThe typical orofacial US techniques include examining the affected area for cobblestoning or fluid collections. To improve the accuracy of diagnoses, novel techniques such as the Oral Hydroscan (OHS) and the Tongue Pointing Techniques (TPT) may be employed in specific cases. The OHS utilizes a water-filled oral cavity to enhance the spatial resolution of ultrasound images, providing improved visualization of near-field structures and preventing air accumulation between the gingiva and the buccal mucosa. The TPT involves asking the patient to extend their tongue towards the affected area, pointing to the painful location, and serving as a visual reference for an extraoral US.ConclusionUS presents several advantages as an alternative imaging method for patients with suspected dental abscesses in the ED. Using innovative techniques such as the OHS and the TPT can further increase the visibility of tissue planes and help define the area of interest in these cases.Copyright © 2023 Elsevier Inc. All rights reserved.

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