premolars
简明释义
n. 小臼齿（premolar 的复数）；前齿；[解剖]前臼齿
英英释义
Premolars are the flat-topped teeth located between the canine teeth and molars in mammals, primarily used for grinding and crushing food. | 前磨牙是位于犬齿和磨牙之间的扁平牙齿，主要用于研磨和压碎食物。 |
单词用法
同义词
| 双尖牙 | 双尖牙通常用于磨碎食物。 | ||
| 后牙 | 后牙包括前磨牙和磨牙。 |
反义词
| 磨牙 | 磨牙用于研磨食物。 | ||
| 切牙 | 切牙是第一颗咬合食物的牙齿。 |
例句
1.Three pairs of incisors, one pair of elongated canines, three pairs of molars, four pairs of premolars, upper and lower, for a total of 44 teeth.
有三对门牙、一对延长犬齿、三对臼齿、四对前臼齿，上下加起来，一共。
2.Objective To investigate root canal curvatures of human maxillary first premolars in buccolingual directions.
目的研究上颌第一前磨牙根管颊舌向的弯曲情况。
3.Conclusion This reflects that the second molars could move mesially during treatment in the second premolars extraction subjects, which can lead to the increase of the retromolar space.
结论：第二前磨牙拔除患者可发生第二磨牙近中移动，导致磨牙后间隙增加。
4.The root canals in mandibular first premolars failed to be treated;
目的 确定人上颌第一前磨牙的颊舌向根管弯曲程度和情况。
5.Methods:28 human premolars extracted for orthodontic reasons were collected for the experiment. Every premolar was split vertically into medial and distal haves.
方法：收集临床上因正畸需要拔除的前磨牙28颗，将每个牙齿分为近中和远中两个邻面标本。
6.Objective To research the preserved effect with complex therapy of the fractured premolars and molars.
目的研究后牙折裂综合治疗后的保存效果。
7.Brushing your premolars 前磨牙 properly can prevent cavities.
正确刷洗你的前磨牙 premolars 可以预防蛀牙。
8.The orthodontist said that the premolars 前磨牙 play a role in maintaining proper bite alignment.
正畸医生说，前磨牙 premolars 在维持正确的咬合对齐中起着作用。
9.Children usually lose their premolars 前磨牙 around the age of 10.
孩子们通常在10岁左右掉落他们的前磨牙 premolars。
10.The dentist explained that the premolars 前磨牙 are crucial for grinding food.
牙医解释说，前磨牙 premolars 对于磨碎食物至关重要。
11.She felt pain in her premolars 前磨牙 and decided to schedule an appointment.
她的前磨牙 premolars 感到疼痛，决定预约看牙医。
作文
Understanding the structure of our teeth is essential for maintaining good oral health. Among the various types of teeth, the premolars (前磨牙) play a crucial role in our chewing process. These teeth are located between the canine teeth and the molars, typically numbering two on each side of the mouth, both in the upper and lower jaws. Their primary function is to assist in grinding food, making them vital for proper digestion.The premolars (前磨牙) have a unique structure that allows them to perform this function effectively. They usually have a flat surface with ridges, which helps in crushing and grinding food into smaller pieces. This is particularly important when we consume fibrous or tough foods, as it prepares them for swallowing and further digestion in the stomach. Without healthy premolars (前磨牙), our ability to chew food properly can be compromised, leading to potential digestive issues.In addition to their role in chewing, premolars (前磨牙) also contribute to the overall alignment of our teeth. They help maintain the spacing between the other teeth, ensuring that our bite remains balanced. A misalignment of premolars (前磨牙) can lead to problems such as overbite or underbite, which can cause discomfort and affect our appearance. Therefore, regular dental check-ups are essential to monitor the health of these crucial teeth.Dental hygiene practices play a significant role in preserving the health of our premolars (前磨牙). Brushing twice a day and flossing regularly can help prevent cavities and gum disease, which are common issues that can affect these teeth. It's important to use a toothbrush that can reach all areas of the mouth, including the hard-to-reach premolars (前磨牙). Additionally, visiting a dentist for professional cleanings and check-ups can help identify any potential issues early on, allowing for timely intervention.When it comes to diet, certain foods can promote the health of our premolars (前磨牙) and overall dental health. Foods rich in calcium, such as dairy products, and those high in fiber, like fruits and vegetables, can strengthen teeth and gums. Conversely, sugary snacks and acidic beverages can lead to tooth decay and should be consumed in moderation. Educating ourselves about the impact of our diet on our premolars (前磨牙) can empower us to make healthier choices that benefit our oral health.In summary, premolars (前磨牙) are essential components of our dental anatomy, serving critical functions in chewing and maintaining dental alignment. Understanding their role can help us appreciate the importance of caring for these teeth. By practicing good dental hygiene, maintaining a balanced diet, and seeking regular dental care, we can ensure that our premolars (前磨牙) remain healthy throughout our lives. Taking these steps not only contributes to our dental health but also enhances our overall well-being, allowing us to enjoy a wide variety of foods without discomfort.
