RT Journal Article SR Electronic T1 Foreign Bodies of Dental Origin in the Maxillary Sinus JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 100 OP 105 VO 22 IS 3 A1 Parker, Willard A1 Dunn, John K. YR 1955 UL http://www.ccjm.org/content/22/3/100.abstract AB