Abstract：
:The effect of recasting, up to four times, non precious Ni-Cr and Co-Cr commercial dental alloys on their corrosion behaviour in saliva and saline media was carried out. A potentiokinetic technique was utilised to analyse the electrochemical characteristics of the anodic polarisation curves of these alloys. A considerable anodic polarisation range (about 2.0 V vs SCE) was used to investigate the possibility of developing a passive regime at such high potential range. The most important feature noted was a rapid rise in current density above a certain critical potential called pitting potential, Ep. The experimental data show that the open circuit potential, Eoc does not enable differentiation between the corrosion resistance of the four alloys used in this study. However, Ep and the rupture potential Er does distinguish between them. Increasing the number of the successive recastings of Wirolloy leads to enhancing the pitting potential, thus, the corrosion resistance of Wirolloy (Ni-Cr) improves after remelting and recasting. It has been found that Wirolloy corrodes 26 times faster than Wironit alloy under the same solution. The alloys containing cobalt and molybdenum show higher corrosion resistance than those containing nickel. Additionally, their corrosion resistance was not affected by successive melting and recasting. In chloride solutions Ni-Cr alloys show a high susceptibility to pitting corrosion, while Co-Cr alloys show a noble behaviour. The corrosion resistance of the four non precious alloys were in the following order: Biocast > Wironit > Cobond > Wirolloy.
journal_name
Int Dent Jjournal_title
International dental journalauthors
Khamis E,Seddik Msubject
Has Abstractpub_date
1995-06-01 00:00:00pages
209-17issue
3eissn
0020-6539issn
1875-595Xjournal_volume
45pub_type
杂志文章abstract：OBJECTIVE:To evaluate treatment decisions of general practitioners (GPs) and dental teachers (DTs) in cases of endodontically treated teeth and to test the hypothesis that dentists' treatment decisions are independent of their working sector and other practice characteristics. DESIGN:A questionnaire based on four endo...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/j.1875-595x.2002.tb00615.x
更新日期：2002-06-01 00:00:00
abstract：:The amount of information which dental teachers wish students to absorb creates undesirable congestion of the curriculum. Individuals learn at different rates and if the course is designed for the average student, the better students are insufficiently challenged while the poor learner is left floundering. This proble...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1976-03-01 00:00:00
abstract：:The role of women as leaders has undergone considerable review in recent years, both outside and within the dental profession. Growing awareness of gender as an issue in leadership has focused attention on leadership styles and qualities with particular emphasis on the differences between male and female approaches. F...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1996-12-01 00:00:00
abstract：OBJECTIVE:To clarify the differences in dental health attitudes/behaviour among freshman dental students. DESIGN:Cross-cultural differences. SETTING:Japan, Hong Kong and West China. PARTICIPANTS AND METHODS:The original version of the Hiroshima University-Dental Behavioural Inventory (HU-DBI) was written in Japanese...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1002/j.1875-595x.2001.tb00833.x
更新日期：2001-06-01 00:00:00
abstract：AIM:To evaluate the success and maintenance requirements of cylindrical, hydroxyapatite coated implants used as single-tooth implants. DESIGN:A five-year prospective trial. METHOD:Twenty patients, attending the Department of Prosthetic Dentistry at GKT Dental Institute, London, were provided with 23 Calcitek, Integra...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：2004-08-01 00:00:00
abstract：AIM:To investigate the incidence, aetiological factors and results of dental trauma on primary dentition of the children referred to the Süleyman Demirel University, Department of Paedodontics in a two year period. DESIGN:A retrospective study. PARTICIPANTS:Eighty four children (50 boys and 34 girls) with 159 affecte...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/j.1875-595x.2005.tb00332.x
更新日期：2005-10-01 00:00:00
abstract：OBJECTIVES:To show relationships between oral conditions and physical performance in the elderly living independently. METHODS:A total of 821 persons participated. Data on background factors and self-assessed masticatory ability were collected by means of questionnaires. An intraoral examination was performed to exami...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：2009-12-01 00:00:00
abstract：:Both dental education and dental practice are affected by the increasing pressure for quality assurance/improvement in health care and the dental profession is expected to take more responsibility for the maintenance and improvement of quality of oral health care and service delivery. Dental professionals are expected...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/j.1875-595x.2007.tb00150.x
更新日期：2007-12-01 00:00:00
abstract：AIM:The aim of this study was to investigate oral rehydration therapy (ORT) products and their effect on plaque pH under normal and dry mouth conditions. DESIGN:Three commercial oral rehydration therapy products, prepared according to the manufacturers' instruction, plus a 10% glucose solution, which served as control...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/idj.12041
更新日期：2013-10-01 00:00:00
abstract：OBJECTIVES:Health interventions based on cognitive theories effectively bring about behaviour change. Therefore, the present study aimed to assess the determinants of oral hygiene behaviour (OHB) based on the theory of planned behaviour (TPB) among patients with moderate and severe periodontitis. METHODS:A cross-secti...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/idj.12413
更新日期：2019-02-01 00:00:00
abstract：AIM:To study the effects of an application of chlorhexidine varnish (40%) on dental plaque. DESIGN:Randomised controlled clinical trial. SUBJECTS:40 patients (50% females), aged 25-34 years after undergoing any necessary restorative treatment. Exactly one half of these individuals practiced good oral hygiene, the eff...
journal_title：International dental journal
pub_type： 临床试验,杂志文章,随机对照试验
doi：10.1002/j.1875-595x.2002.tb00879.x
更新日期：2002-10-01 00:00:00
abstract：:Patients who believe they have oral malodour often have a dry mouth condition instead. Here we have examined its relation to oral malodour, real or perceived. A direct relationship between the thickness of the film of residual saliva on mucosal surfaces throughout the mouth and perception of a dry mouth was observed. ...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1002/j.1875-595x.2002.tb00932.x
更新日期：2002-06-01 00:00:00
abstract：OBJECTIVES:To describe Early Childhood Caries (ECC) severity in South Africa and examine the association between ECC and socio-demographic factors, area-based measures of sugar consumption and water fluoride levels. METHODS:Children, aged 36-71 months, were examined during the 1999/2002 South African National Children...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/j.1875-595x.2008.tb00182.x
更新日期：2008-04-01 00:00:00
abstract：:Thus, attitudes to oral health and dental utilisation patterns of older adults show great variation and it seems the level of oral health care an individual will seek and accept will depend on their individual: age and their personal experience with dentists, past and present socio-demographic environment, number of r...
journal_title：International dental journal
pub_type： 杂志文章,评审
doi：
更新日期：1992-10-01 00:00:00
abstract：:Failure to diagnose periodontal disease is a frequent and unnecessary error. A new periodontal screening examination has been proposed that will accurately detect periodontal disease in approximately five minutes and can be incorporated into a routine dental examination. Simplified treatment planning based on the find...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1977-06-02 00:00:00
abstract：:At the beginning of a 2-year clinical study patients were subjected to five different periodontal surgical procedures. The oral hygiene of 50 test patients was then maintained by professional cleaning at intervals of 2 weeks. Patients in the control group (n = 25) were recalled only once per year for scaling and polis...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1983-06-01 00:00:00
abstract：:Continued ageing of the global population is expected to pose significant challenges to maintaining optimum lifelong health in individuals and populations. Oral health is an essential element of general health and quality of life throughout an individual's life course, yet it is often neglected in integrated approache...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/idj.12348
更新日期：2017-09-01 00:00:00
abstract：:A survey of periodontal status and treatment needs among dental patients was performed using the CPITN criteria, with the worst score per sextant being recorded, based on examination of all surfaces of all teeth. Regularly attending patients (n = 1092) from 36 general dental practices in two North Carolina counties we...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1988-12-01 00:00:00
abstract：:For a long time the major emphasis in prosthetic dentistry was placed on the technical and mechanical aspects of the different procedures and material used. The relationship between the prosthetic treatment and the periodontal tissues received less attention. As a consequence early results of epidemiological studies w...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1985-12-01 00:00:00
abstract：OBJECTIVE:This study compared per-sextant periodontal attachment levels of smokers and non-smokers attending private dental practices. METHOD:One thousand adults (51.5% female) aged 25 to 64 years underwent an oral clinical examination and questionnaire survey covering demographic characteristics, personal traits, cop...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/j.1875-595x.2008.tb00195.x
更新日期：2008-10-01 00:00:00
abstract：:Problems arise when attempting to compare caries data collected in both Africa and the People's Republic of China. These difficulties are not only the result of differences in the criteria used for the diagnosis of caries but are also due to the diversity of cultural and social conditions existing within each of the g...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1994-08-01 00:00:00
abstract：:The metabolic syndrome (MetS) is a spectrum of conditions that increase the risk of cardiovascular disease and diabetes mellitus. The components of MetS include dysglycemia, visceral obesity, atherogenic dyslipidemia (elevated triglycerides and low levels of high-density lipoprotein) and hypertension. An association o...
journal_title：International dental journal
pub_type： 杂志文章,评审
doi：10.1111/idj.12264
更新日期：2017-04-01 00:00:00
abstract：:Over the past 30 years the 'traditional' gold alloy systems have been modified by reducing the percentage of gold and other noble metals to the point where the 'non-precious metal' alloys have no noble metal content. These include the nickel-based alloys, cobalt-based alloys and certain experimental alloys, all suitab...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1983-03-01 00:00:00
abstract：:A pathfinder caries survey was carried out in Beijing, People's Republic of China, using WHO standard methodologies, in order to estimate the trend by comparing the results with the 1981 caries survey, performed in the same area. Simultaneously, the levels of mutans streptococci in the group were estimated in order to...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1992-02-01 00:00:00
abstract：OBJECTIVES:This study aimed to survey changes in practices of infection control (IC) procedures by dentists in Beijing between 2000 and 2010. METHODS:Data were based on the feedback of 592 and 769 dentists surveyed in 2000 and 2010, respectively. Statistical analysis was conducted using Pearson's chi-squared test. RE...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/j.1875-595X.2011.00107.x
更新日期：2012-06-01 00:00:00
abstract：OBJECTIVE:To describe the prevalence of dental pain and other oral health problems among a young Syrian adult population and to identify socio-demographic factors associated with these experiences. SUBJECTS:An industrial sample of 400 men and women aged 18-34 years from Damascus, Syria. METHODS:Study participants wer...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/j.1875-595x.2002.tb00641.x
更新日期：2002-12-01 00:00:00
abstract：:The purpose of the present investigation was to study Nordic dentists' experiences with patients concerned about the possible adverse effects of dental restorations, their perceived ability to deal with this problem and their views as to the suitability of amalgam as a filling material. A random sample of practising d...
journal_title：International dental journal
pub_type： 杂志文章
doi：
更新日期：1992-04-01 00:00:00
abstract：:The present study examined patient preference for dentists as a function of the latter's demographics and experience. A sample of 161 British participants completed a questionnaire in which they were asked to rate eight dentists differentiated by nationality (British vs. Eastern European), sex (male vs. female), and e...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/j.1875-595X.2011.00056.x
更新日期：2011-08-01 00:00:00
abstract：OBJECTIVES: This study aims to investigate the economic hardships of dentists from the rapid reduction of incomes after the IMF crisis in Korea 1998, the retirement plan status of those dentists, and to provide the basic data to determine an economic retirement plan of dentists. METHODS: Among the 14,359 dentists in...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1111/j.1875-595X.2011.00065.x
更新日期：2011-10-01 00:00:00
abstract：OBJECTIVES:The objectives of this study were to investigate changes in the concentration of total bacterial aerosols before, during, and after the working period at different positions within the same multichair dental clinics. Also to investigate the contribution to total bacterial aerosols, if any, of the aerosols ge...
journal_title：International dental journal
pub_type： 杂志文章
doi：10.1002/j.1875-595x.2000.tb00807.x
更新日期：2000-04-01 00:00:00
