1Neuber T. Subcutaneous emphysema after treatment of a symptomatie invasive cervical resorption of a mandibular first molar: a case report[J]. Endod Prac Today, 2008, 2: 291-300.
2Heyman SN, Babayof I. Emphysematous complications in dentistry, 1960-1993: an illustrative case and review of the literature[J].Quintessence lnt, 1995, 26( 8 ):535-543.
3Paquette M, Terezhalmy GT, Moore WS. Subcutaneous emphysema[J]. Quintessence lnt, 2002, 33(6): 478-479.
4Battrum DE, Gutmann JL. Implications, prevention and management of subcutaneous emphysema during endodontic treatment[J]. Endod Dent Traumatol, 1995, 11 ( 3 ): 109-114.
5Roberts JA, Drage NA. Davies J, et al. Effective close from cone beam CT examinations in dentistry'[J]. Br J Radiol, 2009, 82 (973):35-40.
