The teeth with extensive coronal destructions due to carious process can be saved by using split cast post and core. This technique has been used for a long time and with positive results recognized by many authors. The clinical case presented here describes indirectly the reconstitution technique with split cast post and core with latch of a maxillary molar with divergent roots and extensive coronal destruction both in area and depth.
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Sci Adv
December 2024
Department of Political Science, University of Pennsylvania, Philadelphia, PA USA.
The rise of mail balloting has led to concerns that procedural requirements can lead to "lost votes by mail." We theorize how procedural requirements can affect the incidence and form of lost votes and highlight three measurement issues with equating lost votes and rejected mail ballots. First, coverage: Not all rejected mail ballots are documented.
View Article and Find Full Text PDFSci Data
November 2024
Massachusetts Institute of Technology, Department of Political Science, Cambridge, MA, 02139, USA.
Ballots are the core records of elections. Electronic records of actual ballots cast (cast vote records) are available to the public in some jurisdictions. However, they have been released in a variety of formats and have not been independently evaluated.
View Article and Find Full Text PDFJ Mol Evol
December 2024
The New Zealand Institute for Plant & Food Research, Private Bag 92169, Auckland, 1142, New Zealand.
Major evolutionary transitions, such as the shift of cetaceans from terrestrial to marine life, can put pressure on sensory systems to adapt to a new set of relevant stimuli. Relatively little is known about the role of smell in the evolution of mysticetes (baleen whales). While their toothed cousins, the odontocetes, lack the anatomical features to smell, it is less clear whether baleen whales have retained this sense, and if so, when the pressure on olfaction diverged in the cetacean evolutionary lineage.
View Article and Find Full Text PDFJBJS Essent Surg Tech
November 2024
Department of Orthopaedics Foot and Ankle Surgery, The Ohio State University, Columbus, Ohio.
Genes (Basel)
September 2024
The Affiliated School of National Tainan First Senior High School, Tainan 701, Taiwan.
: Understanding population genetic structures is crucial for planning and implementing conservation programmes to preserve species' adaptive and evolutionary potential and thus ensure their long-term persistence. The grey mullet () is a globally distributed coastal fish. Its populations in waters surrounding Taiwan on the western Pacific fringe are divided into at least two stocks (migratory and residential), but questions remain regarding their genetic divergence and gene flow.
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