The premolars, also called premolar teeth, or bicuspids, are transitional teeth located between the canine and molar teeth. In humans, there are two premolars per quadrant in the permanent set of teeth, making eight premolars total in the mouth.

前臼齒（英語： premolar ）又稱小臼齒、前磨牙、雙尖牙（bicuspid），是哺乳动物口腔中位於犬齒與大臼齿之間的牙齒，用於切割和研磨食物，兼具前方犬齒與後方大臼齒的功能；其乳齒成年後會被恆齒替換，為二出齒（一生中先後兩次萌出的牙齒） [1] ；每顆前 ...

PREMOLAR翻译：前臼齿（位于人类和一些动物的上下颌两则，臼齿前紧邻的两颗牙齿，用于磨碎、咀嚼、压碎食物）。 了解更多。

上颌第一前磨牙（maxillary first premolar）为该组牙中体积最大者。 （1）颊面：与牙唇面相似，但冠较短小，颊尖略偏远中。 其近中缘近颈处稍凹，接触区突起，远中缘较突。 颊轴嵴与牙体长轴约平行，两侧可见发育沟各一条，外形高点在颊颈嵴处。 （2）舌面：小于颊面，似卵圆形，光滑而圆突，各边缘界限不明显。 舌尖略偏近中，外形高点在舌面中1/3处。 （3）邻面：呈四边形，颈部最宽。 近中面近颈部凹陷，有沟从合面近中缘跨过至近中面。 近中接触区在颊1/3 …

Mar 18, 2024 · Premolar teeth are the bicuspid teeth located distal to the canine teeth and proximal to the molar teeth in adult dentition. They are unique to adult dentition and replace the deciduous molar teeth. In total there are eight premolars: four maxillary and four mandibular (two in each quadrant).

premolar 的翻译 中文（繁体） 前臼齒（位於人類和一些動物的上下頜兩則，臼齒前緊鄰的兩顆牙齒，用於磨碎、咀嚼、壓碎食物）…

Overall, every adult has 8 premolar teeth. This teeth type is responsible for food crushing, grinding, grasping and chewing. The premolars usually have only one bifurcated root, while the crown is cuboid-shaped. The biting area (occlusal surface) of …

Jan 9, 2023 · Premolars, also known as bicuspids, are the permanent teeth located between the molars in the back of your mouth and your canine teeth, or cuspids, located in the front. Because premolars are transitional teeth, they display features of both molars and canines and primarily grind and break up food.

Premolars (also called bicuspids) are two-cusped teeth that are transitional in form and function between the anterior and posterior teeth. You might find these chapters and articles relevant to this topic. Richard S. Schwartz DDS, James W. Robbins DDS, MA, in …

Aug 1, 2018 · The permanent premolar teeth are placed between the anterior teeth and molars. Eight premolars are found in the permanent dentition, four per arch and two in each quadrant. The main function of premolars is to assist the canines in regard to tear and pierce the food and supplement the grinding of the molars during mastication.