Abstract:Introduction: Subcutaneous emphysema is defined as the abnormal presence of air or gas in the body tissues or tissue spaces. In dentistry, however, subcutaneous emphysema is most often a consequence of compressed air being forced into the subcutaneous tissues through the intra-oral barrier. Most often the air comes from the slow hand-piece, the turbine and the dental air syringe, although recent reports have surfaced of emphysema being caused by air coming from an air abrasion tool, CO 2 laser or a cryotherapy… Show more
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