The scaling of tooth sharpness in mammals
نویسندگان
چکیده
1) School of Biological Sciences, Monash University, Clayton Campus, Victoria 3800, Australia 2) Current address: Institute of Biotechnology, P.O. Box 56 (Viikinkaari 9), FI-00014 University of Helsinki, Finland (e-mail: [email protected]) 3) Department of Evolution, Ecology, and Organismal Biology, Ohio State University at Newark, 1179 University Drive, Newark, OH 43055, USA 4) Department of Geology and Institute of Biotechnology, P.O. Box 64, FI-00014 University of Helsinki, Finland
منابع مشابه
Study of Noise Loudness and Sharpness Effects on Cognitive Performance on Male Students of Tehran University of Medical Sciences
Introduction: The noise could affect some aspects of human health, including the cognitive performance. In addition to sound pressure level and exposure time, the psychoacoustic features of noise may cause destructive effects on humans. A few recent studies have been conducted on effect of sound quality on cognitive performance. This study aims to find the noise loudness and sharpness levels as...
متن کاملThe effect of tooth shape on the breakdown of insects
This study investigates the effect of tooth sharpness on the force and energy necessary for a tooth to divide foods of differing physical properties. The material properties of foods are likely to affect the shape that is best to divide them. In order to test the effect of sharpness on a tooth's pro®ciency in dividing insect prey, experiments involving penetrating and driving through insect pre...
متن کاملبررسی اثر آموکسی سیلین و مترونیدازول به عنوان یک درمان مکمل به منظور جرم گیری و تسطیح ریشه دندان ها در بیماران مبتلا به پریودنتیت مزمن
Introduction & Objective: Chronic periodontitis is an inflammatory disease of the tooth supporting tissues by a specific group of microorganisms, leading to progressive destruction of the periodontal ligament. The aim of this study was to evaluate the effect of amoxicillin and metronidazole as an adjunct, after scaling and root planning in reducing pocket depth and clinical attachment loss in...
متن کاملشبیهسازی و ابداع معادله ای جهت اندازه‌گیری میزان وضوح نقش فرش
Sharpness of the carpet design is one of the parameters affecting the visual appearance of the carpets. In this paper, some preparatory steps have been taken for measuring the sharpness of the carpet design. First, the influencing parameters on the sharpness of the carpet design have been analyzed and formulated, thus this formula can be used as a theoretical base for measuring the sharpness of...
متن کاملMicrobiological study of oral cavity of patients seeking dental treatments in Dhaka Metropolis, Bangladesh
Periodontal diseases are very common among the people of all ages and also a proof of oral hygiene maintenance practice. A variety of microorganisms are found in human oral cavity which can often cause periodontitis, cavities, gingivitis, mineralization of tooth and other oral diseases. Current study was carried out to determine which microbes are responsible for dental carries among the patien...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2004