. The science and practice of dental surgery. of the cusps. Credit is due to G. Northcroft(119) for emi^hasizing the import-ance of seeking the commencementof what will be a post-normalocclusion of the permanent teethin faulty occlusion of the decidu-ous molars. Among twenty casesof abnormality in the deciduousdentition before the eruption ofthe first permanent molars, hefound six cases showing post-normal occlusion. He furtherpoints out that the average medio-distal width of the lower decidu-ous molars is r4 mm. greaterthan that of the upper, and thattherefore any great discrepancybetween the
. The science and practice of dental surgery. of the cusps. Credit is due to G. Northcroft(119) for emi^hasizing the import-ance of seeking the commencementof what will be a post-normalocclusion of the permanent teethin faulty occlusion of the decidu-ous molars. Among twenty casesof abnormality in the deciduousdentition before the eruption ofthe first permanent molars, hefound six cases showing post-normal occlusion. He furtherpoints out that the average medio-distal width of the lower decidu-ous molars is r4 mm. greaterthan that of the upper, and thattherefore any great discrepancybetween these, or any diminution of space inthe upper arch caused by caries, will facilitatethe production of an occlusion in which thelower teeth are posterior to normal or the upperare anterior to normal. This argument, drawn result of the deciduous upper centrals eruptingbefore the lower, as sometimes happens. Thewriter has observed a very instructive case(referred to on pp. 114, 136, as an example ofexcessive overlap in the incisor region) in which.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentistry, bookyear19
