Results 41 to 50 of about 851 (217)

Incidence of Cracked Teeth Before, During, and After the Covid‐19 Pandemic—A Retrospective Analysis in a German Private General Practice

open access: yesClinical and Experimental Dental Research
Objectives The Covid‐19 pandemic increased stress, which may have led to more bruxism, TMDs, and thus tooth fractures. While previous studies, primarily from specialized clinics, reported an increase in cracked teeth during the pandemic, this ...
Jörg Philipp Tchorz   +3 more
doaj   +1 more source

Cranial anatomy of a Late Cretaceous aspidorhynchid fish (Neopterygii: Aspidorhynchiformes) from Alberta, Canada

open access: yesThe Anatomical Record, EarlyView.
Abstract Belonostomus longirostrisis was named for an isolated jaw fragment from freshwater Upper Cretaceous (Campanian) sediments of the Dinosaur Park Formation of Alberta, Canada. Following the description of the Albertan species, numerous isolated cranial and postcranial elements have been collected from the Dinosaur Park Formation and assigned to B.
Mondo Miyazato   +4 more
wiley   +1 more source

Trauma to the permanent teeth

open access: yesAustralasian Orthodontic Journal, 1985
Trauma involves approximately 12% of endodontic problems, and the upper central incisor is the most common tooth involved. Great care must be taken in trying to ascertain the extent of the injury, the vitality of the pulp, the colour of the tooth and the
Feiglin Barry
doaj   +1 more source

A new species of Lonchidiidae (Hybodontiformes) from the Late Jurassic of Brazil (Aliança Formation, Jatobá Basin)

open access: yesThe Anatomical Record, EarlyView.
Abstract The Aliança Formation (Jatobá Basin) represents lacustrine deposits formed in oxygenated waters that hosted a diverse fauna, including Hybodontiform sharks. Within this group, the Family Lonchidiidae comprises 11 valid genera, with Parvodus previously reported in Brazilian deposits from the Brejo Santo Formation (Araripe Basin, Late Jurassic ...
Larissa de Souza Ribeiro   +1 more
wiley   +1 more source

Conservative treatment of a horizontal root fracture at the bone margin of a mandibular central incisor: a case report

open access: yesJournal of Medical Case Reports
Background Root fractures occurring close to the bone margin have a poor prognosis. Although conservative treatment is preferred, it presents considerable challenges.
Katsuyuki Atsumi, Naomi Tanoue
doaj   +1 more source

Management of tooth fractures using fiber post and fragment reattachment: Report of two cases

open access: yesJournal of Pharmacy and Bioallied Sciences, 2017
Reattachment of the tooth fragment is an ultraconservative technique for managing coronal tooth fractures when the tooth fragment is available, and there is minimal violation of the biological width.
Rajesh Gopal   +3 more
doaj   +1 more source

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Age-Related Pattern of Dental Trauma in a Nigerian Tertiary Health Institution

open access: yesPesquisa Brasileira em Odontopediatria e Clínica Integrada, 2023
Objective: To evaluate the pattern of traumatic dental injuries among children, adolescents, and adults. Material and Methods: This was a cross-sectional analytic study of children and adults who presented with dental trauma. Data utilized for this study
Joan Emien Enabulele   +1 more
doaj  

Tooth structure and fracture strength of cavities [PDF]

open access: yesBrazilian Dental Journal, 2007
This study evaluated, in vitro, the loss of tooth substance after cavity preparation for direct and indirect restorations and its relationship with fracture strength of the prepared teeth. Sixty sound human maxillary first premolars were assigned to 6 groups (n=10).
Mondelli, José   +3 more
openaire   +4 more sources

Dental anomalies in Pleistocene African hippopotamuses from Olduvai Bed II

open access: yesThe Anatomical Record, EarlyView.
Abstract Hippopotamuses are key palaeoenvironmental indicators in African Pleistocene ecosystems due to their ecological dependence on permanent water bodies and their frequent representation in the fossil record. This study examines dental anomalies in Hippopotamus cf. gorgops from several localities in Bed II of Olduvai Gorge (Tanzania), dated to ca.
Darío Fidalgo   +4 more
wiley   +1 more source

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