The esthetic management of enamel dysplasia presents an opportunity for the practitioner to integrate expertise in diagnosis, biomaterials, and technique. In addition to considerations of appearance, careful attention must be paid to occlusal function and restorative material properties. This case report highlights a combined approach of conservative lithium disilicate indirect restorations and composite resin direct veneers to electively restore the anterior teeth of a patient diagnosed with idiopathic enamel hypoplasia.
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J Oral Biosci
December 2024
Department of Oral Physiology, Showa University Graduate School of Dentistry, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8555, Japan; Department of Dental Hygiene, Kyoto Koka Women's College, 38 Nishikyogoku Kadono-cho, Ukyo-ku, Kyoto, 615-0882, Japan.
Objectives: The cerebral cortex contains neurons that play a pivotal role in controlling rhythmic masticatory jaw movements. However, the population characteristics of individual cortical neuronal activity during mastication and the impact of tooth loss on these characteristics remain unclear. Thus, in this study, we aimed to determine the activity patterns of mastication-related motor cortical neurons elicited during mastication and examine the effects of tooth extraction on neuronal activity using two-photon Ca imaging in head-restrained awake mice.
View Article and Find Full Text PDFBDJ Open
December 2024
Faculty of Odonto-Stomatology, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, 749000, Vietnam.
Introduction: Guided surgery for immediate anterior implants aims to reduce the time required for aesthetic and functional immediate loading. However, the limited surface area of anterior teeth for guide stabilization may affect the accuracy of implant positioning. This in vitro study evaluated the effect of the number of supporting teeth on the accuracy of immediate implants in the maxillary central incisor region.
View Article and Find Full Text PDFPlast Aesthet Nurs (Phila)
December 2024
Sowmya Srinivas, BDS, MDS, PhD, is an Assistant Professor at the Department of Prosthodontics, JSS Dental College and Hospital, JSS Academy of Higher Education and Research, Mysore, Karnataka, India.
Placing an implant immediately into extraction sockets provides a distinct advantage over delayed placement, eliminating the need for a 4 to 6 months waiting period for bone formation. However, when patients present with hypothyroidism, the feasibility of immediate placement of dental implants becomes uncertain. This case involved a hypothyroid woman in her late 60s with loose lower anterior teeth.
View Article and Find Full Text PDFBiomimetics (Basel)
December 2024
Department of Clinical Sciences and Stomatology, Università Politecnica delle Marche, 60121 Ancona, Italy.
Marginal enamel fractures (MEF) are a common clinical concern in dentistry, particularly in anterior teeth. These fractures occur at the enamel margins and their etiopathogenesis involves a complex interplay of mechanical, chemical, and biological factors. The ongoing research focuses on an overview of MEF to improve the knowledge about this condition.
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December 2024
College of Science and Engineering, Flinders University of South Australia, Adelaide, Australia.
Well-preserved specimens of a new species of arthrodiran placoderm, sp. nov. (Middle Devonian of Victoria, Australia), reveals previously unknown information on the dermal skeleton, body-shape and dentition of the wide-spread genus .
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