prognathic

简明释义

英[prɒɡˈnæθɪk]美[prɑːɡˈnæθɪk]

凸颌的

[人类] 突颌

英英释义

单词用法

同义词

反义词

例句

1.The two most commonly used surgical techniques to setback a prognathic mandible include the bilateral sagittal split osteotomy and the vertical ramus osteotomy.

二种最普遍使用正颚手术方法来改善下颚骨前突症的方法是双侧矢向面骨切开术及垂直下颚枝骨切开术。

2.The two most commonly used surgical techniques to setback a prognathic mandible include the bilateral sagittal split osteotomy and the vertical ramus osteotomy.

二种最普遍使用正颚手术方法来改善下颚骨前突症的方法是双侧矢向面骨切开术及垂直下颚枝骨切开术。

3.The patient was diagnosed with a prognathic condition, which means their jaw extends outward.

患者被诊断为前突的情况，这意味着他们的下颌向外延伸。

4.The study revealed that prognathic features can influence facial aesthetics.

研究表明，前突的特征会影响面部美观。

5.Orthodontists often need to correct prognathic jaws in order to improve dental alignment.

正畸医生常常需要矫正前突的下颌，以改善牙齿排列。

6.In anthropology, a prognathic skull is often associated with certain human populations.

在人类学中，前突的头骨通常与某些人群相关联。

7.Some breeds of dogs are known for their prognathic jaw structure, which affects their bite.

某些犬种以其前突的下颌结构而闻名，这影响了它们的咬合。

作文

The study of human anatomy and its variations has always fascinated scientists and medical professionals alike. One of the intriguing aspects of human facial structure is the concept of being prognathic, which refers to a condition where the jaw protrudes beyond the upper part of the face. This characteristic can be observed in various populations and is often linked to genetic factors, environmental influences, and evolutionary adaptations. Understanding the implications of prognathic features not only sheds light on human diversity but also has significant applications in fields such as orthodontics, anthropology, and forensics.In orthodontics, the presence of a prognathic jaw can lead to various dental issues. Individuals with this condition may experience difficulty in biting and chewing, as their teeth may not align properly. This misalignment can result in uneven wear on the teeth and even lead to temporomandibular joint disorders (TMJ). Orthodontists often recommend treatments such as braces or surgical interventions to correct these issues and improve the patient’s overall oral health. By addressing the prognathic aspect of a patient’s anatomy, orthodontists can enhance not only the function of the teeth but also the aesthetic appearance of the smile.From an anthropological perspective, the study of prognathic traits provides insight into the evolutionary history of humans. Different populations exhibit varying degrees of jaw protrusion, which can be traced back to dietary habits and environmental adaptations. For example, early humans who consumed a diet rich in tough, fibrous foods may have developed more pronounced prognathic features as a way to better process their food. Over time, as diets changed and cooking methods improved, the prevalence of such traits may have diminished in certain populations. This highlights the dynamic relationship between human biology and environmental factors, revealing how our physical characteristics are shaped by both genetics and lifestyle.Forensic science also benefits from understanding prognathic features. In cases where identification of remains is necessary, forensic anthropologists analyze skeletal structures, including the jawline, to determine the ancestry and biological profile of the individual. A prognathic jaw can provide valuable clues about a person’s ethnic background, which can assist in narrowing down potential identities. This application underscores the importance of studying variations in human anatomy, as it can have real-world implications in solving criminal cases and providing closure to families of missing persons.In conclusion, the term prognathic encompasses more than just a physical trait; it represents a complex interplay of genetics, environment, and evolutionary history. Its implications extend across multiple disciplines, including orthodontics, anthropology, and forensics. By understanding the significance of prognathic features, we can gain a deeper appreciation for human diversity and the factors that shape our anatomical variations. As research continues to evolve, the exploration of such traits will undoubtedly contribute to our knowledge of human biology and its practical applications in various fields.

人类解剖学及其变异的研究一直以来都吸引着科学家和医学专业人士的关注。人脸结构中一个引人入胜的方面是“prognathic”这一概念，它指的是下颌突出于面部上部的情况。这种特征可以在不同的人群中观察到，通常与遗传因素、环境影响以及进化适应有关。理解prognathic特征的意义不仅揭示了人类多样性，还在正畸学、人类学和法医学等领域具有重要应用。在正畸学中，存在prognathic下颌可能导致各种牙齿问题。患有这种情况的个体可能在咬合和咀嚼时遇到困难，因为他们的牙齿可能无法正确对齐。这种错位可能导致牙齿的不均匀磨损，甚至导致颞下颌关节紊乱（TMJ）。正畸医生通常建议通过佩戴牙套或外科手术来纠正这些问题，以改善患者的整体口腔健康。通过解决患者解剖上的prognathic特征，正畸医生不仅可以改善牙齿的功能，还可以提升微笑的美观。从人类学的角度来看，研究prognathic特征提供了对人类进化历史的洞察。不同的人群表现出不同程度的下颌突出，这可以追溯到饮食习惯和环境适应。例如，早期人类以富含坚韧纤维食物的饮食为主，可能发展出更明显的prognathic特征，以便更好地处理食物。随着时间的推移，饮食的变化和烹饪方法的改善，某些人群中这种特征的普遍性可能减少。这突显了人类生物学与环境因素之间的动态关系，揭示了我们的身体特征是如何受到遗传和生活方式共同影响的。法医学也受益于对prognathic特征的理解。在需要识别遗骸的情况下，法医人类学家分析骨骼结构，包括下颌，以确定个体的血统和生物学特征。prognathic下颌可以提供有关个人种族背景的宝贵线索，这可以帮助缩小潜在身份范围。这一应用强调了研究人类解剖学变异的重要性，因为它可以在解决刑事案件和为失踪者家庭提供安慰方面产生实际影响。总之，prognathic这一术语不仅仅涵盖了一种身体特征；它代表了遗传、环境和进化历史的复杂相互作用。它的影响跨越多个学科，包括正畸学、人类学和法医学。通过理解prognathic特征的意义，我们能够更深刻地欣赏人类的多样性以及塑造我们解剖变异的因素。随着研究的不断发展，对这些特征的探索无疑将有助于我们对人类生物学及其在各个领域的实际应用的理解。