A METHOD OF CLOSING A SINUS BETWEEN THE ANTRUM OF HIGHMORE AND THE MOUTH

The topic with which this paper deals has been chosen for three reasons: first, because I have had so much difficulty myself in eradicating these sinuses; second, because I see so many sinuses left after others have operated; and, third, because a search of the literature has failed to furnish very much information regarding the technic of such a procedure. Since selecting the topic I have operated in twenty-three such cases. They were all cases of alveolar necrosis with antrum involvement, with the exception of two cases, or they were cases of permanent sinus following an operation for antrum suppuration secondary to alveolar necrosis. The two exceptions were, first, a large infected dentigerous cyst, lying external to the antrum. This was drained into the nose through the antrum. And, second, a case of composite follicular odontoma which was also drained into the antrum and through it into the nose. With