Results 51 to 60 of about 41,515 (313)

Comparative and functional anatomy of masticatory muscles and bite force in opossums (Didelphimorphia, Didelphidae)

open access: yesThe Anatomical Record, EarlyView.
We describe the functional anatomy of masticatory muscles in nine opossums, finding a generalized anatomical pattern with differences related to skull morphology. Variation in quantitative myological data and estimated bite force was mostly related to size, and the increase in bite force supports dietary diversification associated with size increase ...
Juann A. F. H. Abreu, Diego Astúa
wiley   +1 more source

The relationship between form and function of the carnivore mandible

open access: yesThe Anatomical Record, EarlyView.
Abstract Dietary morphology diversified extensively in Carnivoraformes (living Carnivora and their stem relatives) during the Cenozoic (the last 66 million years) as they evolved to capture, handle, and process new animal and plant diets. We used 3D geometric morphometrics, mechanical advantage, and finite element analysis to test the evolutionary ...
Charles J. Salcido, P. David Polly
wiley   +1 more source

Correlation of mandibular gonial angle and mandibular angle fracture: A radiographic study

open access: yesJournal of Indian Academy of Oral Medicine and Radiology, 2020
Objectives: The purpose of the study was to evaluate the correlation between mandibular gonial angle and mandibular third molar with the risk of mandibular angle fracture.
Nikhila B Shroff   +3 more
doaj   +1 more source

Integrating mandibular evidence to assess morphological variation of the Australopithecus afarensis maxilla

open access: yesThe Anatomical Record, EarlyView.
Abstract Geometric morphometric analyses are used to explore variation of maxillary dental arcades of Australopithecus afarensis, expanding on the work of Hanegraef and Spoor, 2025 (Morphological variation of the Australopithecus afarensis maxilla.
Hester Hanegraef   +2 more
wiley   +1 more source

Tooth row allometry in domestic rabbits and nondomestic lagomorphs: Evidence for a decoupling of body and tooth row size changes in evolutionary time

open access: yesThe Anatomical Record, EarlyView.
Domestic rabbits of different body sizes differ disproportionately in the length of their tooth row or the length of their diastema. Abstract In various domestic mammals, smaller breeds tend to have proportionally larger teeth, whereas this is not a universal trend across mammals.
Ursina L. Fasciati   +3 more
wiley   +1 more source

Determination of Cusp Number and Occlusal Groove Pattern in Mandibular Molars: A Preliminary Epidemiological Study in an Indian Population

open access: yesJournal of Forensic Science and Medicine, 2016
Teeth are excellent material in living and nonliving populations for anthropological, genetic, odontologic, and forensic investigations. The present study aims to study the number of a number of cusps in the first and second mandibular molar and to ...
Urvashi Ashwin Shetty   +2 more
doaj   +1 more source

Description of the skull, braincase, and dentition of Moschognathus whaitsi (Dinocephalia, Tapinocephalia), and its palaeobiological and behavioral implications

open access: yesThe Anatomical Record, EarlyView.
Abstract A subadult Moschognathus whaitsi from the Eastern Cape Province, South Africa, was scanned using synchrotron radiation X‐ray computed tomography (SRXCT). Its subadult state allowed the cranial bones and teeth to be identified and individually reconstructed in 3D.
Tristen Lafferty   +3 more
wiley   +1 more source

Is there a relationship between mandibular third molar impaction and mandibular morphology?

open access: yesBMC Oral Health
Background Panoramic radiography is widely used for initial assessment during clinical examinations. It is very useful for clinicians to predict impaction of third molar teeth via certain parameters without relying solely on personal experience.
Güler Nur İbişoğlu, Ozge Uslu-Akcam
doaj   +1 more source

Automatic diagnosis of true proximity between the mandibular canal and the third molar on panoramic radiographs using deep learning

open access: yesScientific Reports, 2023
Evaluating the mandibular canal proximity is crucial for planning mandibular third molar extractions. Panoramic radiography is commonly used for radiological examinations before third molar extraction but has limitations in assessing the true contact ...
Kug Jin Jeon   +3 more
doaj   +1 more source

Impacted mandibular second molars

open access: yesThe Angle Orthodontist, 2012
Abstract Objective: To determine the prevalence and severity of impacted permanent mandibular second molars (MdM2s) in the general population of Taiwan as well as to evaluate treatment outcomes with an innovative method for impacted MdM2s. Materials and Methods: Dental records of 21,580
Po-Sung Fu   +7 more
openaire   +1 more source

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