REPORT OF A CASE OF A SUBMERGING FIRST MOLAR

f$i GIRL, aged 9 years, 1 month, was placed under treatment in October, 1933, for the condition shown in profile cast, Fig. 1. All deciduous teeth had been succeeded by the permanent teeth ; there was an early thumb-sucking habit. The tonsils and adenoids were removed at, the age of 5 years, with frequent infections and mouth breathing. In June, 1932, she weighed 593/, pounds and her height was 52$!! inches. In September, 1933, she had gained to 76yk pounds and height 553/4 inches, during a year of frequent illness, including pneumonia. Mechanical treatment consisted essentially of a maxillary labial round wire in Angle bracket bands on the central incisors, canines, and molar sheaths, followed in five months with a ribbon arch, lower lingual brch, and intermaxillary rubbers. The case progressed through 1934 despite some interruptions from illness, and in January, 1935, she had scarlet fever, followed by a chronic cough, but was well enough by March, 1935, to resume treatment. The patient was sick most of the following September, with afternoon temperature. She was seen once in October, but missed the next appointment because of a cold. She was then seen three times before another interruption from a cold in January, 1936.