. Descriptive anatomy of the human teeth . s near the mesio- and disto-bucco-occlusal angles and nearly in line with buccal cusps (, b). The mesial and distal Battened surfaces of these teethconverge to the lingual to such an extent that, though they arearranged in arch form the contact-points remain close to thebuccal-point angles. In many excellent dentures there is adecided interproximate embrasure opening to the lingualbut in thick-necked teeth and those of a more rounded con-tour, the contact-points are often more toward the lingual, andthere is but a slight lingual embrasure. In t
. Descriptive anatomy of the human teeth . s near the mesio- and disto-bucco-occlusal angles and nearly in line with buccal cusps (, b). The mesial and distal Battened surfaces of these teethconverge to the lingual to such an extent that, though they arearranged in arch form the contact-points remain close to thebuccal-point angles. In many excellent dentures there is adecided interproximate embrasure opening to the lingualbut in thick-necked teeth and those of a more rounded con-tour, the contact-points are often more toward the lingual, andthere is but a slight lingual embrasure. In thfe molars thecontact-points, as a rule, are removed rather more to thelingual, but still in the best-formed dentures they will be foundnearly in line with the buccal cusps (Fig. 132, c). Betweenthe upper first and second molars the contact-point is oftenextended toward the lingual by the prominent disto-lingualcusp of the first molar; and, even when otherwise, the generalrounding of the distal surfaces of the upper molars often i--i---:-. ...v ma
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