Abstract:
:The aims of this study were to observe the release of fluoride ions (F-) from GC-Fuji Lining-LC(R) glass-ionomer cement, to assess the diffusion process, and to measure fluoride diffusivity (D) in the set cement. Specimens of various dimensions and shapes, ranging from discs to cylindrical rods, were fabricated for both open and embedded modes of testing. In the open mode studies, specimens with different surface to volume ratios were selected and immersed in 37 degrees C distilled water. In the embedded mode studies, only one diametral surface of the rod-shaped specimens of different lengths and diameters was exposed. F- concentration was measured using a fluoride electrode. The storage solution was analysed at predetermined intervals hourly, daily, and weekly (up to 10 weeks). Immediately after each sampling, the old storage solution was discarded and replaced with new distilled water. F- release from the set cements was detectable (0.4-3.8 ppm, varied with sample geometry), even after a 10-week sampling interval. F- release was greater in ground set cements (0.37 ppm/mg powder) than in control samples of unmixed powder (0.01 ppm/mg powder) immersed for 1 h. Two mechanisms for F- release were proposed. One was short-term and involved rapid dissolution from the cement surface. The other was more gradual and resulted in the sustained diffusion of ions through the bulk cement, which can be modelled by applying a mathematical technique known as separation of variables to Fick's Second Law of Diffusion. The mean D of F- in embedded set cements of glass-ionomer was (1.4+/-0.5)x10-11 cm2/s, with higher apparent D observed in open mode samples [(7.6+/-1.4)x10-11 cm2/s].
journal_name
J Oral Rehabiljournal_title
Journal of oral rehabilitationauthors
Lee SY,Dong DR,Huang HM,Shih YHdoi
10.1046/j.1365-2842.2000.00554.xkeywords:
subject
Has Abstractpub_date
2000-07-01 00:00:00pages
576-86issue
7eissn
0305-182Xissn
1365-2842pii
jor554journal_volume
27pub_type
杂志文章abstract::The objective of this study was to systematically evaluate gender differences in the prevalence of TMD. A systematic review was performed in PubMed, EMBASE, Web of Science and LILACS in duplicate by two independent reviewers. The inclusion criteria were cross-sectional studies that reported the prevalence of TMD for m...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章,meta分析,评审
doi:10.1111/joor.12661
更新日期:2018-09-01 00:00:00
abstract::The corrosion tendencies of metals are related with their position in the electromotive series. These electrode potential degrees may change due to the compositions of the alloys, the surrounding media, or due to alterations in the composition because of recurrent casting. Therefore in this research, the electrode pot...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.1998.00305.x
更新日期:1998-10-01 00:00:00
abstract::Measurements were made of the spectral distribution of light emitted from five commercially available visible-light polymerization units. All emissions peaked between 400 and 500 nm but the 'functional' irradiance varied by a factor of 20 for the sources investigated. Timer checks revealed errors of up to 20%. Light o...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1986.tb00653.x
更新日期:1986-05-01 00:00:00
abstract::In this study, the influence of oxygen pressure, as well as oxidation time and temperature, on the oxide formation of a gold-palladium-indium-gallium alloy was investigated. After oxidation (vacuum/air, 1-10 min, 940-1020 degrees C) the oxides were removed selectively by means of leaching in 37% hydrochloric acid. Con...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1988.tb00161.x
更新日期:1988-05-01 00:00:00
abstract::The aim of this study was to determine flexural properties, water sorption, solubility and release of residual compounds of a new paste type denture base polymer Alldent Sinomer. In addition, an effort was made to reinforce the denture base polymer with a polymer-pre-impregnated glass fibre reinforcement (Stick). Six ...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.2001.00733.x
更新日期:2001-07-01 00:00:00
abstract:BACKGROUND:There is increasing evidence of benefits for the rehabilitation of Brown II defects with prosthesis in surgery. However, the current literature is sparse for maxillary tumour resection using osteotomy templates. OBJECTIVES:To assess the accuracy of maxillectomy using a custom fabricated osteotomy template a...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/joor.12850
更新日期:2019-12-01 00:00:00
abstract::The aim of this study was to evaluate the correlation between patients' and dentist's assessment of dentures and to correlate these variables with objective measures of masticatory function. A sample of 28 edentulous individuals was selected, all wearing both complete dentures for at least 6 months and with no signs o...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.2010.02174.x
更新日期:2011-06-01 00:00:00
abstract::In nineteen subjects, temperatures were recorded thermo-electrically in the vestibular and proximal crevices of fifty-nine teeth. It was found that the formation of a new plaque was followed by a rise in crevicular temperature. In addition, it was found that the normal as well as the abnormal crevicular temperatures w...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1979.tb01500.x
更新日期:1979-07-01 00:00:00
abstract::The aim of this study was to investigate whether reported differences in the patterns of jaw reflexes which can be evoked by electrical stimulation of the lip might be related to the intensity or polarity of the stimuli. Constant-current stimuli were applied through bipolar electrodes clipped across the lower lip of 1...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.1999.00407.x
更新日期:1999-06-01 00:00:00
abstract::The aim of this study was to determine if the abrasive effect on dentine of two commercially available toothpastes, known to vary in their in vitro abrasive levels, can be differentiated in an in situ model after 10 days, assessed by contact profilometry. This was a single centre, single blind, randomized, split mouth...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章,随机对照试验
doi:10.1111/j.1365-2842.2009.01965.x
更新日期:2009-07-01 00:00:00
abstract::The bases of occlusal rims and trial dentures should fit both the cast and the mouth accurately. The retention of shape and dimension of strips and sheets of grey and pink shellac, filled cold cure acrylic resin and wax were tested following moulding over stylised upper edentulous casts. The thermoplastic materials we...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1993.tb01619.x
更新日期:1993-07-01 00:00:00
abstract::The deterioration of oral function to a state of oral hypofunction (OHF) is reportedly associated with malnutrition and frailty. Thus, we Investigated the association of OHF with physical characteristics and function and test the effects of a programme including comprehensive oral and physical exercises and textured l...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/joor.13122
更新日期:2020-10-31 00:00:00
abstract::Titanium is used to fabricate spherical and bar attachments for overdentures on osseointegrated implants. This in vitro study investigated the long-term effects of commercially pure titanium on the retention force of telescope crowns with conical interface. Combinations of various materials for the inner and outer cro...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1996.tb00866.x
更新日期:1996-06-01 00:00:00
abstract::The aim of this study was to determine the bone density in the designated implant sites using computerized tomography (CT), the fastening torque values of dental implants, and the implant stability values using resonance frequency analysis. Further aim was to evaluate a possible correlation between bone density, faste...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章,多中心研究
doi:10.1111/j.1365-2842.2006.01692.x
更新日期:2006-12-01 00:00:00
abstract::The influence of head posture on movement paths of the incisal point (IP) and of the mandibular condyles during free open-close movements was studied. Ten persons, without craniomandibular or cervical spine disorders, participated in the study. Open close mandibular movements were recorded with the head in five postur...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.2000.00518.x
更新日期:2000-04-01 00:00:00
abstract::It is considered that the information of chewed food, such as size and texture, is important for smooth mastication. In this study, we analysed aspects of the control of occlusal force, by experimentally reproducing situations in which the hardness of food changed unpredictably during mastication, using a device that ...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.2007.01746.x
更新日期:2008-01-01 00:00:00
abstract::Surface electromyography was used to study the function of the anterior temporal, surface masseter, deep masseter and anterior digastric muscles of 14 patients after complete rehabilitation of occlusion with fixed prostheses and/or removable partial prostheses. All patients had a balanced occlusion with protection by ...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1995.tb00211.x
更新日期:1995-01-01 00:00:00
abstract::The activity of anterior temporal muscle, the number of tooth contacts, and total duration of closure during maximal and habitual clenching were studied in varied chair positions. Fifteen subjects were evaluated. The means for the muscle activity of anterior temporal muscle during habitual clenching were 63.5-73.5% of...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:
更新日期:1997-03-01 00:00:00
abstract::This study examined the differences in the masticatory function of patients with temporomandibular disorder (TMD) in Korea. The experimental groups were as follows: 23 patients with painful arthralgia classified as pain group according to the research diagnostic criteria for temporomandibular disorder (RDC/TMC) and 28...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.2010.02179.x
更新日期:2011-07-01 00:00:00
abstract:BACKGROUND:Denture use for recovery of major tooth loss can reduce the need for care, and thus, it is important for dentists to identify the types of patients who use removable dentures. OBJECTIVE:To identify factors associated with removable denture use in independent older Japanese people. METHODS:This cross-sectio...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/joor.13022
更新日期:2020-08-01 00:00:00
abstract::This paper explores seven different factors which should be considered when prescribing the lower anterior prosthesis: alignment as seen from the incisal; height of the incisal edges; degree of irregularity of the teeth; character of the incisal edge; height of the cuspid; mesio-incisal angle of the cuspid; and ridge ...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1983.tb00130.x
更新日期:1983-07-01 00:00:00
abstract::The temporomandibular joints of 20 human cadaver heads were examined by means of photography (gross anatomic images) and radiography (lateral oblique transcranial images), using the angle created by a line parallel to the Frankfurt horizontal and a line coinciding with the posterior slope of the most lateral (outermos...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1992.tb01592.x
更新日期:1992-01-01 00:00:00
abstract::Osteophytes of the cervical spine are usually seen in elderly adults. When prominent, they have been blamed for dysphagia, cough, dysphonia and dyspnoea. This paper reports on an obstructive sleep apnoea (OSA) patient with cervical spinal osteophytes, one cause of airway obstruction. A 75-year-old male complained of p...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.2009.01984.x
更新日期:2009-10-01 00:00:00
abstract::The evidences that p16 and cyclin D alterations occur in the earlier stages of many human cancers and that its immunolocalization can be used to study the cell cycle regulation, coupled with the possibility that chronic use of carbamide peroxide would induce DNA damage and cell cycle alteration, prompted us to analyse...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.2002.00944.x
更新日期:2002-09-01 00:00:00
abstract::The viscoelastic properties of denture base polymers, such as poly(methylmethacrylate) (PMMA), polycarbonate (PC), polysulfone (PSF) and polyethersulfone (PES) which have been used in current clinical dentistry were investigated. In addition, water absorption, diffusion coefficient of water into material, cubical expa...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.2000.00545.x
更新日期:2000-06-01 00:00:00
abstract::In a previous study it was found that the distance between the borders of the comfortable zone was considerably wider when the zone was recorded statically rather than dynamically. However, it was not reported how condylar displacements may be related to the zonal borders. Therefore, an attempt is made in the present ...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.1979.tb00398.x
更新日期:1979-01-01 00:00:00
abstract::Dysphagia rehabilitation in the elderly includes direct therapy to alter the three-dimensional shape of the oropharynx so that food boluses can pass safely through the poorly functioning pharynx. Alteration of the mandibular position is thought to affect oropharyngeal shape, but this relationship remains poorly unders...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.2011.02263.x
更新日期:2012-04-01 00:00:00
abstract::It has been proposed that a titration of the mandibular positioner would be a promising method for predicting the outcome of nasal continuous positive airway pressure (CPAP) therapy. This study was carried out to test the hypothesis that mandible advancement could be evaluated by analysis of inspiratory flow limitatio...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1111/j.1365-2842.2006.01627b.x
更新日期:2006-11-01 00:00:00
abstract::There is a paucity of guidelines for the dental profession to assess failure of endodontic therapy. While a successful treatment can be well defined by the absence of apical periodontitis and clinical symptoms after a period of observation, failed treatment has escaped a distinct standing over the years. This article ...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章,评审
doi:10.1111/joor.12423
更新日期:2016-10-01 00:00:00
abstract::Changes in the retention force of six prefabricated spherical and cylindrical attachments were examined in vitro under continuous loading. The testing machine permitted insertion-separation cycles to be tested under reproducible conditions while a calibrated measuring device determined the insertion and retention forc...
journal_title:Journal of oral rehabilitation
pub_type: 杂志文章
doi:10.1046/j.1365-2842.2003.01140.x
更新日期:2003-07-01 00:00:00