Dental review; devoted to the advancement of dentistry. . sions. (Slide XV.) (Compare the curve of the arch in a breast-fed and bottle-fedchild. The latter with normal occlusions but adenoids. Slide XVI.) These twenty-five cases have all been measured as to width, depthand antero-posterior dimension. The width is taken at the gum linebetween the two second deciduous molars, at a point immediately inline with the fissure on the palatine aspect cf the tooth. The depthis taken from a point dropped from the middle of a horizontal linebetween these two points, and the antero-posterior diameter meas
Dental review; devoted to the advancement of dentistry. . sions. (Slide XV.) (Compare the curve of the arch in a breast-fed and bottle-fedchild. The latter with normal occlusions but adenoids. Slide XVI.) These twenty-five cases have all been measured as to width, depthand antero-posterior dimension. The width is taken at the gum linebetween the two second deciduous molars, at a point immediately inline with the fissure on the palatine aspect cf the tooth. The depthis taken from a point dropped from the middle of a horizontal linebetween these two points, and the antero-posterior diameter measuredforward from the same point. For this purpose a combined caliper has been designed with whichall these measurements can be speedily made. It is hoped later on toco-relate these with measurements of the face, and so watch the sim- ORIGINAL COMMUNICATIONS. 821 ultaneous growth of connected parts. To go into figures might provewearisome, so only a few will be given. The variation in width wasfrom mm. to mm. Depth from S mm. to 14 mm. Afltero-.
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