Publications by authors named "Yoshikazu Yoneyama"
Purpose: The purpose of this study is to investigate the effects of denture adhesives on masticatory performance via a 10-center, parallel, randomized, controlled trial of complete denture wearers in Japan.
Methods: The trial was conducted between September 2013 and October 2016. The inclusion criteria were complete edentulism, willingness to undergo new complete denture treatment, and willingness to return for recall treatment.
Article Synopsis
- The study investigated the impact of different types of denture adhesives on retention and occlusal force in edentulous patients using a controlled trial design.
- Two hundred patients were divided into three groups: those using powder-type adhesive, cream-type adhesive, and a control group with saline, and these were tested over a 4-day period.
- Results showed that cream-type adhesives significantly enhanced denture retention and occlusal force, especially for patients with a moderate level of treatment difficulty, while powder-type adhesives did not show similar improvements.
Background: During restoration of poorly fitting complete dentures (CDs) in edentulous patients, liners are used to reconstruct the concave surfaces of CDs with a new base material. These relining materials are classified into resilient liners (RLs) and non-resilient liners (NRLs), but the clinical effects of these liners and their selection criteria remain unclear. The purpose of this study is to evaluate the clinical efficacy of relining mandibular CDs using RL and NRL and to conduct a follow-up study.
View Article and Find Full Text PDFThe calcitonin gene-related peptide (CGRP) suppresses fear memory retention in mice. Although intracerebroventricular administration of CGRP alters the fear memory processes, making it a promising therapeutic strategy for post-traumatic stress disorder (PTSD), direct brain injection into patients is not practical. Therefore, we propose that intranasal application may be an effective way to deliver CGRP to the brain.
View Article and Find Full Text PDFPurpose To investigate the difference in improvement of oral health-related quality of life (OHR-QoL) depending on the oral and denture conditions of a complete denture wearer when using a cream or powder type denture adhesive in a 10-center parallel randomized clinical trial.Methods Two hundred edentulous subjects who wore complete dentures were allocated to each of the three groups according to denture adhesive type: cream, powder, and control (saline solution). The materials were applied to the mucosal surface of the dentures for 4 days, and baseline data and data after the intervention were collected.
View Article and Find Full Text PDFPurpose: The purpose of this study was to investigate the effect of denture adhesives on oral moisture in a 10-center parallel randomized clinical trial.
Methods: Two hundred edentulous subjects wearing complete dentures were allocated into three groups: cream-type adhesive, powder-type adhesive and control groups. The adhesives (and saline solution in the control group) were applied to the mucosal surface of the dentures for 4 days, and baseline data and data after the intervention for eight meals over 4 days were obtained.
Article Synopsis
- Denture adhesives, established as medical products by the American Dental Association in 1935, are underutilized in Japan due to the belief that dentures should be stable without them, prompting this study to assess their efficacy.
- A randomized controlled trial involving 300 edentulous patients will test cream-type and powder-type adhesives against a control solution over four days of regular meal consumption.
- The study will measure general satisfaction and several secondary outcomes related to denture functionality, eating ability, and overall oral health, employing statistical comparisons and regression analysis to evaluate results.
Purpose: This study explored the effect of improved occlusal force resulting from complete denture treatment on electroencephalogram (EEG) findings to determine if such an outcome is a factor contributing to activation of synaptic/neuronal dysfunction in the brain.
Materials And Methods: Twenty-three individuals with complete upper and lower dentures who visited the Department of Removable Prosthodontics at Tsurumi University Dental Hospital were included in this study. The Dental Prescale Occluzer FPD-705 system was used to perform an objective measurement of occlusal force before and after denture treatment.
Purpose: The present study was conducted to identify how changes in the vertical dimension of occlusion (VDO) affect the sensory perception and activity of the brain in complete denture wearers using an electroencephalogram (EEG).
Methods: Subjects were 21 individuals wearing complete dentures who regularly visited the Division of Prosthodontics at Tsurumi University Dental Hospital for checkups (12 males and 9 females, average age: 76.6).