| 词汇 | dentition |
| 释义 | dentition noun[ U ] biology specializeduk /denˈtɪʃ.ən/ us /denˈtɪʃ.ən/ the number, type, and arrangement of teeth in a person or animal: （人或动物）齿系;牙列（牙齿的数量、种类和排列） mixed/permanent/mammalian dentition混合牙列／恒牙列／哺乳动物牙列 The teeth baby tooth buck-toothed cementum centric cingulum coronal erupt hydroxyapatite interdental labially lingually mesially milk tooth molar pulp cavity pulpal rictus snaggle-toothed snaggled wisdom tooth Examples of dentitiondentition Upper-case letters designate the permanent dentition, while lower-case letters identify deciduous teeth. Forty-six of the supernumerary teeth occurred at the distal end of the tooth row and formed part of the functional dentition. More recent work on seal populations has suggested that some species are known to have a more variable dentition than others. In addition, the poor preservation of the sample made analyses of the dentition impossible for discrete individuals. Teenage patients usually need further complex orthodontics to straighten the maxillary dentition as it erupts and deal with absent and aberrant teeth. It is possible that the upper dentition is more prone to variability in various ways, one of which is the presence of additional teeth. This approach is clearly evident in the chapters detailing pressure sore management and mobility, and in the chapters on nutrition, vitamins, anorexia of ageing and dentition. Unfor tunately, neither dentition is available for study. The changing dentition of man. Some would describe them as problems of dentition. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The breeding records relating to the case in question were incomplete and the date of birth was therefore estimated by its dentition. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 So much can be done now to retain people's dentition throughout their lives. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 These first permanent molars are important for the correct development of a permanent dentition. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Since there are no premolars in the primary dentition, the primary molars are replaced by permanent premolars. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The dentition is suited for an omnivorous diet. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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