This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916. Excerpt: ... AN UNUSUAL DENTAL CASE SIMULATING ANTRAL SINUSITIS. Dr. Henry B. Decherd, Dallas, Texas. On May 4, 1915, H. B., male, white, age sixteen, consulted me for pain over the right antrum of Highmore. After careful examination, I could find no infection of the antrum and referred the patient to a dentist. As the dentist could find no evidence of diseased teeth, he referred him back to me. To make matters sure, I irrigated the antrum with warm salt solution with negative results; and again referred the patient to the dentist. The dentist had an x-ray examination made which showed a definite enlargement of the root-canal of the second right bicuspid. I append herewith the x-ray plate and the dentist's report. H. B., male, white, age sixteen years, referred by Dr. Decherd, complaining of pain, continuous, more severe at times, in region of upper molars. Previous pain had arisen from lower jaw. Dentist had advised that there was an erupting third molar of which there was no sign and age did not indicate. Examined all teeth; no decay, no fillings, no history of traumatism. Advised the patient to return to specialist for examination of sinuses, and remarked if from teeth, it would be necessary to await localization of pain. Returned in a couple of days complaining of soreness in lower bicuspids and first molar. Clinical examination indicated lower second bicuspid to be seat of trouble. As stated before, there was no decay and no history of trauma. X-ray examination revealed arrest of development of bicuspid root with exceedingly large foramen and root-canal. Next day saw patient; considerable swelling opposite; buccal aspect of tooth involved; pain only slightly diminished. Opened pulp canal and removed pulpy mass of greenish color; relieved pain; inoculated culture ...