DIFFERENCES IN THE SIZES OF CROWNS OF PRIMARY MOLARS AND PREMOLARS AND THEIR SOGNIFICANCE FOR THE CHOICE OF PREVENTIVE MEASURES AT THE SAGITTAL OCCLUSION DENTITION ANOMALIESJournal: I.P. Pavlov Russian Medical Biological Herald (Vol.22, No. 3)
Publication Date: 2014-09-10
Authors : Nabatchikova L.P.; Horoshilkina F.Ya.; Arman Chobanyan; Armine Chobanyan;
Page : 132-138
Keywords : ;
We have reviewed the literature data about the mesial/distal dimensions of the crowns of the primary molars and premolars which replace them in both jaws. 126 plaster models of jaws were measured, including 64 models with retained primary molars and 62 models with premolars. The difference between the average sizes of the crowns of the teeth established by the literature data and by our own research is minimal. For the first time sum limits of the mesial/distal crown dimensions of the first and second primary molars were distinguished. This analysis reflects the macrodontia, the average size of teeth and microdontia. If the patient has the isolated macrodontia of primary mandibular molars and emerging distal occlusion of dentition the partial proximal removing of enamel (by grinding) from molars’ crowns is recommended. In the case of mesial occlusion of dentition it is recommended to proceed to the same procedure on the primary maxillary molars.
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