Related Experiment Video
Updated: Jul 16, 2026

Automated Measurement of Pulmonary Emphysema and Small Airway Remodeling in Cigarette Smoke-exposed Mice
Published on: January 16, 2015
Subcutaneous emphysema during restorative dentistry
Robert J Steelman1, Phyllis W Johannes
1Pediatric Critical Care Medicine and Oral and Maxillofacial Surgery, Oregon Health and Science University, Portland, Oregon 97239, USA. steelmar@ohsu.edu
Background:
Subcutaneous emphysema is a rare occurrence in the dental setting. When it does occur, the entity may be mistaken for an anaphylactic reaction to a local anaesthetic agent or other medications used in dental surgery.
Case Report:
During restorative treatment of a left second primary molar air was introduced under an operculum. Communication with submandibular and sublingual spaces to the mediastinum was established.
Conclusion:
Therapy for subcutaneous emphysema involves, correct diagnosis and antibiotic coverage. Subcutaneous air will resolve over time so observation is indicated.
Related Concept Videos
Chronic Obstructive Pulmonary Disease II: Emphysema
Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations
Atelectasis II: Pathophysiology
Pneumothorax-II
Clinical Manifestations:
Breathing
Assessment of Respiration
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
