Abstract
Gas collection in a closed joint space is common and is called a vacuum phenomenon in the field of orthopedics. 1 Knutsson F. The vacuum phenomenon in the intervertebral discs. Acta Radiol. 1942; 23: 173 Crossref Scopus (92) Google Scholar , 2 Fuicks D.M. Grayson C.E. Vacuum pneumarthrography and the spontaneous occurrence of gas in the joint spaces. J Bone Joint Surg. 1950; 32: 933 PubMed Google Scholar , 3 Resnick D. Niwayama G. Guerra J. et al. Spinal vacuum phenomena Anatomical study and review. Radiology. 1981; 139: 341 PubMed Google Scholar However, few reports concerning the vacuum phenomenon in the temporomandibular joint (TMJ) have been published in the past.
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