2,328 results match your criteria: "Nippon Dental University[Affiliation]"
J Shoulder Elbow Surg
November 2024
Department of Orthopedic Surgery, Kurume University Medical Center, Kurume, Japan.
Background: First-time traumatic anterior shoulder dislocation (FASD) is a common trauma associated with shoulder dysfunction. Although several randomized controlled trials have compared conservative and surgical treatments for FASD, the comparative efficacy of these treatments is poorly understood. In this network meta-analysis (NMA), we compared the available evidence on the efficacy of various interventions in patients with FASD.
View Article and Find Full Text PDFOdontology
January 2025
Department of Pediatric Dentistry, The Nippon Dental University School of Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan.
The aim of this study was to develop an optimal, simple, and lightweight deep learning convolutional neural network (CNN) model to detect the presence of mesiodens on panoramic radiographs. A total of 628 panoramic radiographs with and without mesiodens were used as training, validation, and test data. The training, validation, and test dataset were consisted of 218, 51, and 40 images with mesiodens and 203, 55, and 61 without mesiodens, respectively.
View Article and Find Full Text PDFJ Oral Biosci
December 2024
Course of Clinical Science, Field of Oral and Maxillofacial Surgery and Systemic Medicine, Oral and Maxillofacial Surgery, Graduate School of Life Dentistry at Niigata, The Nippon Dental University, Japan; Department of Oral and Maxillofacial Surgery, School of Life Dentistry at Niigata, The Nippon Dental University, Japan.
Objectives: Pilocarpine is commonly used clinically to treat dry mouth. The long-term administration of pilocarpine reportedly improves salivary secretion more effectively than short-term administration. Therefore, we hypothesized that pilocarpine alters gene expression in salivary glands via muscarinic receptor stimulation.
View Article and Find Full Text PDFSpec Care Dentist
November 2024
Division of Rehabilitation for Speech and Swallowing Disorders, Tama Oral Rehabilitation Clinic, The Nippon Dental University, Tokyo, Japan.
Imaging Sci Dent
June 2024
Department of Oral and Maxillofacial Radiology, The Nippon Dental University School of Life Dentistry, Tokyo, Japan.
Purpose: This study was conducted to identify the typical sites and patterns of peri-implant bone defects on cone-beam computed tomography (CBCT) images, as well as to evaluate the detectability of the identified bone defects on panoramic images.
Materials And Methods: The study population included 114 patients with a total of 367 implant fixtures. CBCT images were used to assess the presence or absence of bone defects around each implant fixture at the mesial, distal, buccal, and lingual sites.
J Neurochem
September 2024
Department of Biochemistry, Graduate School of Medical Sciences, Nagoya City University, Nagoya, Japan.
Alzheimer's disease (AD) is characterized by the accumulation of abnormally folded amyloid β-protein (Aβ) in the brain parenchyma and phosphorylated tau in neurons. Presenilin (PS, PSEN) 1 and PS2 are essential components of γ-secretase, which is responsible for the cleavage of amyloid precursor protein (APP) to generate Aβ. PSEN mutations are associated with tau aggregation in frontotemporal dementia, regardless of the presence or absence of Aβ pathology.
View Article and Find Full Text PDFBMC Oral Health
June 2024
National Institute of Public Health, 2-3-6 Minami, Wako-shi, Saitama, 351-0197, Japan.
Background: Few reported studies evaluate the status of those who have a family dentist (FD) by regional differences and the socioeconomic factors associated with this status. This study aimed to assess the prevalence of having an FD among Japanese individuals across three samples of municipality type: urban, intermediate, and rural areas, and determine the factors associated with having an FD.
Methods: This was a cross-sectional study involving a web-based survey.
Sci Rep
June 2024
Department of Anatomy, School of Life Dentistry at Niigata, Nippon Dental University, Niigata, Japan.
This study aimed to elucidate the relationship between joint structures of the first tarsometatarsal and articular facet degeneration. A total of 100 feet from 50 cadavers were examined. The articular facets of the first metatarsal and medial cuneiform were categorized into four types based on the superior and inferior facets' separation, and the formation of the inferior lateral facet on the lateral plantar prominence: Type I, a single facet with no separation or inferior lateral facet; Type II-a, two facets with separation but no inferior lateral facet; Type II-b, two facets, no separation, but with an inferior lateral facet; Type III, three facets with separation and an inferior lateral facet.
View Article and Find Full Text PDFOrg Biomol Chem
June 2024
Chemical Laboratory, School of Life Dentistry at Niigata, Nippon Dental University, Hamaura-cho, Niigata 951-8580, Japan.
Aromatic bromination catalysed by 0.5-10 mol% of D-camphorsulfonic acid-BiCl3 with -bromosuccinimides (NBS) was carried out in MeCN under air conditions, and the procedure was extended to the reactions with -chlorosuccinimides (NCS) and -iodosuccinimides (NIS). The halogenation of some drugs and natural products was also attempted.
View Article and Find Full Text PDFSTAR Protoc
June 2024
Department of Physiology, Tokyo Women's Medical University School of Medicine, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan; Department of Physiology, The Nippon Dental University School of Life Dentistry, 1-9-20 Fujimi, Chiyoda-ku, Tokyo 102-8159, Japan. Electronic address:
Forward genetic screens have been a powerful tool for discovering genes involved in various biological processes in Caenorhabditis elegans. Here, we present a protocol for forward genetic screening to identify novel factors involved in a biological process in C. elegans.
View Article and Find Full Text PDFOdontology
January 2025
Field of Advanced Conservative Dentistry and Periodontology, Periodontology, Course of Clinical Science, The Nippon Dental University Graduate School Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata, 951-8580, Japan.
Early peri-implant disease detection remains difficult. Enamel matrix derivative (EMD), which is used for periodontal tissue regeneration, promotes leukocyte chemotactic factor and adhesion molecule expression in vascular endothelial cells. We hypothesized that stimulating vascular endothelial cells with EMD would induce an inflammatory response in the peri-implant mucosa, enabling early peri-implant infection detection.
View Article and Find Full Text PDFBiomed Res
June 2024
Department of Anatomy, The Nippon Dental University School of Life Dentistry at Niigata, 1-8 Hamaura, Chuo-ku, Niigata 951-8580, Japan.
Geriatr Gerontol Int
July 2024
The Nippon Dental University, Tama Oral Rehabilitation Clinic, Tokyo, Japan.
Aim: This study examined the oral status and the presence of teeth requiring treatment among older adults receiving home medical care.
Methods: This cross-sectional study was conducted at a Japanese dental clinic specializing in geriatric treatment. We recruited older adults receiving home medical care in the community who had begun to receive domiciliary dental care.
BMC Oral Health
May 2024
Department of Periodontology, The Nippon Dental University at Tokyo, 1-9-20 Fujimi, Chiyoda-ku, Tokyo, 102-0071, Japan.
Odontology
January 2025
Department of Histology, The Nippon Dental University School of Life Dentistry at Niigata, 1-8 Hamaura-Cho, Chuo-Ku, Niigata, 951-8580, Japan.
Taste bud cells are classified into four types by their ultrastructural features. Immunohistochemical detection of taste-signaling molecules is used to distinguish cell types of taste bud cells; however, the characteristics of taste cell types such as the immunoreactivity for taste-signaling molecules have long remained unclear. We investigated the detailed characteristics of taste cells in rat vallate taste buds by electron microscopy and immunohistochemistry for gustducin, neural cell adhesion molecule (NCAM) and vesicle-associated membrane protein 2 (VAMP2), which are known as markers of Type II cells, Type III cells and both cell types, respectively.
View Article and Find Full Text PDFSci Rep
May 2024
Division of Microscopic Anatomy, Graduate School of Medical and Dental Sciences, Niigata University, Niigata, Japan.
Non-alcoholic steatohepatitis (NASH), caused by fat buildup, can lead to liver inflammation and damage. Elucidation of the spatial distribution of fibrotic tissue in the fatty liver in NASH can be immensely useful to understand its pathogenesis. Thus, we developed a novel serial section-3D (SS3D) technique that combines high-resolution image acquisition with 3D construction software, which enabled highly detailed analysis of the mouse liver and extraction and quantification of stained tissues.
View Article and Find Full Text PDFSci Rep
May 2024
Service of Bone Diseases, Department Medicine, Faculty of Medicine, Geneva University Hospital, Geneva, Switzerland.
Gradual elevation of the periosteum from the original bone surface, based on the principle of distraction osteogenesis, induces endogenous hard and soft tissue formation. This study aimed to assess the impact of alternating protocols of activation with relaxation (periosteal pumping) on bone modeling and remodeling. One hundred and sixty-two adult male Wistar rats were used in this study.
View Article and Find Full Text PDFPolymers (Basel)
April 2024
Department of Restorative Dentistry, Graduate School of Dental Medicine, Hokkaido University, Kita 13, Nishi 7, Sapporo 060-8586, Japan.
This study evaluated the effect of simulated pulpal pressure (SPP) conditions and storage time on contemporary adhesive systems' microtensile bond strength (µTBS) to dentin. Extracted human molars were prepared and randomly divided into four groups according to the adhesives: Clearfil Megabond 2 (CSE), Beautibond Xtreme Universal (BXU), G2-Bond (G2B), and Scotchbond Universal Plus (SBP). Each adhesive group was further divided following the SPP conditions: control with no simulation (SPP-CTR), SPP with distilled water (SPP-DTW), and SPP with fetal bovine serum (SPP-FBS).
View Article and Find Full Text PDFHum Cell
July 2024
Department of Physiology, School of Life Dentistry at Tokyo, The Nippon Dental University, 1-9-20 Fujimi, Chiyoda-Ku, Tokyo, 102-8159, Japan.
Exp Gerontol
June 2024
Institute for Active Health, Kyoto University of Advanced Science, 1-1 Nanjo Otani, Sogabe-cho, Kameoka-city, Kyoto 621-8555, Japan; Laboratory of Applied Health Sciences, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto-city, Kyoto 602-8566, Japan. Electronic address:
J Clin Med
April 2024
Department of Advanced Prosthodontics, Graduate School, Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 1138510, Japan.
This investigation sought to cross validate the predictors of tongue pressure recovery in elderly patients' post-treatment for head and neck tumors, leveraging advanced machine learning techniques. By employing logistic regression, support vector regression, random forest, and extreme gradient boosting, the study analyzed an array of variables including patient demographics, surgery types, dental health status, and age, drawn from comprehensive medical records and direct tongue pressure assessments. Among the models, logistic regression emerged as the most effective, demonstrating an accuracy of 0.
View Article and Find Full Text PDFJ Prosthet Dent
April 2024
Professor, Department of Advanced Prosthodontics, Tokyo Medical and Dental University, Tokyo, Japan.
Statement Of Problem: Preserving and restoring oral functions, especially mastication and swallowing, is important to the quality of life of patients being treated for head and neck tumors. Studies that help predict maximum occlusal force and tongue pressure during prosthetic treatment, necessary for providing comprehensive, appropriate treatment and encouraging patient adherence and confidence are lacking.
Purpose: The purpose of this clinical study was to develop a decision tree model for predicting maximum occlusal force and tongue pressure in patients diagnosed with head and neck tumors that could help both experienced and less experienced prosthodontists and oral surgeons optimize the treatment plan and support patient compliance and their quality of life.
Introduction: We examined the efficacy of a multidomain intervention in preventing cognitive decline among Japanese older adults with mild cognitive impairment (MCI).
Methods: Participants aged 65-85 years with MCI were randomized into intervention (management of vascular risk factors, exercise, nutritional counseling, and cognitive training) and control groups. The primary outcome was changes in the cognitive composite score over a period of 18 months.
Clin Anat
November 2024
Department of Anatomy, School of Life Dentistry at Niigata, Nippon Dental University, Niigata, Japan.
This study explored the relationship between the morphological characteristics of the first tarsometatarsal ligaments and fibularis longus (FL) and the severity of articular cartilage degeneration in the first tarsometatarsal joint. Sixty legs from 30 cadavers were examined. The plantar, dorsal, and medial first tarsometatarsal ligaments were classified by fiber bundle number, and their morphological characteristics (fiber bundle length, width, thickness) were measured.
View Article and Find Full Text PDFJ Dent Sci
April 2024
Museum of Medicine and Dentistry, The Nippon Dental University School of Life Dentistry at Niigata, Niigata, Japan.