tooth mark

简明释义

走刀痕迹

英英释义

例句

1.The archaeologist discovered ancient tooth marks on the bones during the excavation.

考古学家在挖掘过程中发现了骨头上的古老牙齿印。

2.The detective found a tooth mark on the victim's arm, indicating a struggle.

侦探在受害者的手臂上发现了一个牙齿印，表明有过挣扎。

3.She noticed a tooth mark on the edge of the package where her dog had tried to open it.

她注意到包裹边缘有一个牙齿印，是她的狗试图打开它时留下的。

4.The forensic team analyzed the tooth mark left on the fruit to identify the animal responsible.

法医团队分析了留在水果上的牙齿印，以确定责任动物。

5.After the fight, he had a noticeable tooth mark on his cheek.

打斗后，他的脸颊上有一个明显的牙齿印。

作文

In the world of forensic science, every detail matters. One of the intriguing aspects of this field is the analysis of bite marks, often referred to as tooth mark. These marks can provide crucial evidence in criminal investigations. A tooth mark is essentially an impression left by teeth on a surface, which can vary in size and shape depending on the individual’s dental structure. Forensic experts can analyze these impressions to determine the identity of a suspect or victim, making tooth marks an invaluable tool in solving crimes.The process of analyzing a tooth mark involves several steps. First, investigators must secure the scene where the bite occurred. This could be on skin, food, or other surfaces. Once the mark is documented through photography, it is often cast in a material that can capture the details, such as dental stone. This cast allows forensic scientists to study the tooth mark in a controlled environment.One of the key challenges in analyzing tooth marks lies in the variability of human dentition. Each person has a unique set of teeth, influenced by genetics, dental work, and even habits like grinding. Therefore, forensic odontologists must be skilled in recognizing these variations. They compare the tooth mark with dental records to find matches, which can lead to identifying the perpetrator of a crime.Moreover, the context in which a tooth mark is found can also provide valuable information. For instance, a bite mark on a victim’s arm might suggest a struggle, while a mark on food could indicate a more casual interaction. Understanding the circumstances surrounding the bite can help law enforcement piece together the events leading up to a crime.In addition to criminal cases, tooth marks can also play a role in civil cases, such as determining liability in a dog bite incident. In these situations, the tooth mark can help establish whether the animal was provoked or if the owner was negligent in controlling their pet.Despite the potential of tooth marks as evidence, there are limitations to their reliability. Factors such as the condition of the surface where the mark is found, the time elapsed since the bite occurred, and environmental influences can all affect the clarity and accuracy of the impression. Critics argue that while tooth marks can be useful, they should not be the sole basis for a conviction. It is essential that they are used in conjunction with other forms of evidence to ensure justice is served.In conclusion, tooth marks are a fascinating area of study within forensic science. They hold the potential to solve crimes and provide closure for victims and their families. However, like any form of evidence, they must be approached with caution and analyzed rigorously. As technology advances, the methods used to study tooth marks will likely improve, making this field even more critical in the pursuit of truth and justice.

在法医学的世界里，每一个细节都至关重要。这个领域一个引人入胜的方面是对咬痕的分析，通常被称为牙齿印记。这些印记可以在刑事调查中提供关键证据。牙齿印记本质上是牙齿在表面上留下的印象，其大小和形状因个体的牙齿结构而异。法医学专家可以分析这些印记以确定嫌疑人或受害者的身份，使得牙齿印记成为解决犯罪的宝贵工具。分析牙齿印记的过程涉及几个步骤。首先，调查人员必须确保咬痕发生的现场。这可能是在皮肤、食物或其他表面上。一旦记录了印记，通常会用一种可以捕捉细节的材料进行铸模，比如牙科石。这种铸模使法医学科学家能够在受控环境中研究牙齿印记。分析牙齿印记的一个关键挑战在于人类牙齿的变异性。每个人都有一套独特的牙齿，受遗传、牙科工作甚至磨牙习惯的影响。因此，法医学牙科医生必须擅长识别这些变化。他们将牙齿印记与牙科记录进行比较，以寻找匹配，这可能导致识别犯罪嫌疑人。此外，发现牙齿印记的上下文也可以提供有价值的信息。例如，受害者手臂上的咬痕可能表明有过挣扎，而食物上的印记则可能表明更随意的互动。理解咬合周围的情况可以帮助执法部门拼凑出事件的前因后果。除了刑事案件，牙齿印记在民事案件中也可能发挥作用，例如确定狗咬事件中的责任。在这些情况下，牙齿印记可以帮助确定动物是否被挑衅，或者主人是否在控制宠物方面存在疏忽。尽管牙齿印记作为证据具有潜力，但其可靠性也存在局限性。发现印记的表面的状态、咬合发生后的时间以及环境影响等因素都可能影响印记的清晰度和准确性。批评人士认为，虽然牙齿印记可能有用，但不应成为定罪的唯一依据。必须与其他证据形式结合使用，以确保公正得到实现。总之，牙齿印记是法医学研究中的一个迷人领域。它们有潜力解决犯罪并为受害者及其家属提供安慰。然而，像任何形式的证据一样，必须谨慎对待，并进行严格分析。随着技术的进步，用于研究牙齿印记的方法可能会得到改善，使这一领域在追求真相和正义的过程中变得更加重要。