Sentence examples for upper cusp from inspiring English sources

While the absence of the mesostylids and mesoconids is maintained in lagomorphs (and the condition is subsequently acquired in the molars), the appearance of a second buccal upper cusp in premolars has a complicated history, atypical for mammals.

We also recognized flat, worn areas on the tips of the four main upper molar cusps.

The inclusion criteria for the study group were (1) horizontal growth direction, (2) deep bite, (3) retroclined upper incisors, (4) cusp to cusp and/or Class 2 molar tooth relation, (5) not having congenitally missing upper incisors, and (6) not having orthodontic treatment before.

Again, the right coronary cusp (upper most cusp) has normal excursion, suggesting that the degree of aortic stenosis is unlikely to be severe.

Early forms had five-cusped upper molars, but the fifth cusp (protoconule) disappeared early.

In the third upper molar, the cusps at the back are reduced and scarcely distinguishable.

The following landmarks were digitized, and the changes were assessed in the constructed grid system: condylion (Co), gonion (Go), point A, point B, pogonion (Pg), menton (Me), upper first molar mesiobuccal cusp tip (ms), lower first molar mesiobuccal cusp tip (mi), upper incisor tip (is), and lower incisor tip (ii).

The trend in the morphology of the molars has been to increase the primitive three cusps to four or five, the less-insectivorous species having four cusps on the molar crown in the upper jaw and five cusps on the lower.

Expansion was considered adequate when the occlusal aspect of the maxillary lingual cusp of upper first molars contacted the occlusal aspect of the facial cusp of the mandibular lower first molars.

The direction of occlusal forces is altered by the maxillary expansion, so that the resultant force vector acting on the mandibular teeth (especially molars) is more vestibularly directed, because the occlusal aspect of the lingual cusp of upper first molars contacts the occlusal aspect of the facial cusp of the lower first molars.

The Carabelli trait emerges from the lingual surface of the protocone (the mesiolingual cusp of upper molars) and usually begins to form after the four major cusps of the molar have initiated [3] (If the Carabelli cusp is as tall as the other cusps, which it occasionally is, then it initiates with them).