RESUMEN
BACKGROUND: Stainless-steel crowns (SSCs) are recommended for restorative treatment of young teeth severely affected by caries, fractures or dental developmental disorders (DDDs). However, despite recommendations and clinical evidence, SSCs are not widely used by general dentists, who favour extraction and more conventional restorations. The present study aimed to investigate the views of and use of SSCs among Norwegian and Finnish dentists. METHODS: The present study was a cross-sectional survey among Norwegian and Finnish dentists. An electronic questionnaire was sent to Norwegian and Finnish dentists asking whether they used SSCs and on which indications. In addition, the questionnaire assessed reasons for non-use and dentists' perceptions regarding advantages and challenges in the use of SSCs, as well as the need for additional training. Distributions of background characteristics, use of and views on SSCs were calculated, and statistical significance of the associations between respondents' background and their answers were evaluated. RESULTS: Of the 574 Norwegian and 765 Finnish respondents, only 12.0% and 12.9% reported to use SSCs, respectively. The most frequently reported barrier reported by those who did not use SSCs was lack of practical training. The most frequent challenge reported by those using SSCs was difficulties in crown adjustment followed by aesthetic issues, and the most frequently reported advantage was that SSCs maintain the function and occlusion. The majority of respondents reported a need for more information and practical training in the use of SSCs, with hands-on course as their most frequently preferred education type. CONCLUSION: Although the value of SSCs for restoring young molars is recognized by Norwegian and Finnish dentists, SSCs are rarely used by general dentists. The majority of the respondents reported lack of training and materials and was interested in receiving more information and education.
Asunto(s)
Caries Dental , Diente Primario , Niño , Estudios Transversales , Coronas , Restauración Dental Permanente , Odontólogos , Estética Dental , Finlandia , Humanos , Noruega , Pautas de la Práctica en Odontología , Acero InoxidableRESUMEN
AIM: This survey assessed Finnish dentists' treatment decisions and choices of restorative materials in selected paediatric dental patient cases, with special emphasis on stainless steel crowns (SSCs). METHODS: A questionnaire with patient descriptions and tooth photographs was e-mailed to members of Finnish Dental Society (n=3,747). The respondents were asked to choose their preferred treatment in cases describing 1) extensive occlusal carious lesion in a primary molar of a cooperative child; 2) an identical lesion, treated under dental general anaesthesia (DGA); and 3) a symptomatic first permanent molar with enamel hypomineralisation (consistent with Molar-Incisor Hypomineralization, MIH) and post-eruptive breakdown. Only responses from dentist treating children were included (final n=765). RESULTS: The majority (47.3%) would have preferred restoration of the extensive primary tooth caries in a normal setting using resin-modified glassionomer cement, and 4.3% by using SSC. The preference of SSC as treatment choice increased to 25.4% upon implementation of DGA. The majority would treat the symptomatic permanent MIH molar with a resin composite restoration (45.0%), while 10.5% suggested SSC. Compared to general dentists, paediatric dentists had a stronger preference for SSCs. CONCLUSIONS: Although the respondents emphasised patient cooperation, but also tooth prognosis and material strength behind their treatment decisions, SSC was an uncommon choice.
Asunto(s)
Caries Dental , Pautas de la Práctica en Odontología , Niño , Restauración Dental Permanente , Odontólogos , Finlandia , Humanos , Encuestas y CuestionariosRESUMEN
Inbreeding has been shown to have negative effects on animal reproductive performance. It, however, has not been documented as to the extent that inbreeding impacts sperm cell characteristics especially after cells have undergone cryopreservation. In the present study, therefore, there was evaluation of sperm motion and size characteristics from two inbred lines and non-inbred Hereford bulls using Computer Assisted Sperm Analysis (CASA). Pre-frozen semen samples were obtained from Line 1, Prospector, and a non-inbred Hereford bulls. Average inbreeding of each group was 27%, 45%, and 0%, for Line 1, Prospector, and non-inbred groups, respectively. For each bull, two straws (0.5 ml) were evaluated, within each straw two slides with ten fields per slide analyzed with the CASA. Cells were analyzed by mixed model analysis using a model that contained line as fixed effect and individual bull, straw, slide, and fields are random effects. No significant differences between lines of bulls were found for motility or progressive motility. For the head elongation (ELON), and head area (AREA) significant differences existed between lines. Mean separation indicated that Line 1 group had a larger head area and the heads were not as elongated as the Prospector and non-inbred group cells. The lack of significant differences for motility and progressive motility across lines was surprising and indicates there was no inbreeding depression for post-thaw semen characteristics. One explanation for this could be that indirect selection pressure was placed on these characteristics as inbreeding was increased.
Asunto(s)
Bovinos/fisiología , Criopreservación/veterinaria , Interpretación de Imagen Asistida por Computador/métodos , Endogamia , Preservación de Semen/veterinaria , Motilidad Espermática , Animales , Masculino , Análisis de SemenRESUMEN
INTRODUCTION: The University Dental Clinic of the City of Helsinki (UDC) developed a Community Health Centre-Based Outreach Clinic, with emphasis on paediatric dentistry. This study aimed to summarise the experiences and explore the student perspectives of the health centre-based outreach teaching clinic. METHODS: The study data were from the years 2010 to 2016. The dental procedures carried out by the third- to fifth-year dental students were based on electronic health record of patients. The students' self-perceived benefits and free-text comments on the outreach training were collected as part of a yearly questionnaire survey. RESULTS: A vast majority of the paediatric dental procedures that are required for competencies of dental students were performed in the outreach clinic. The most common procedures were fillings with local anaesthesia followed by preventive procedures. The majority of the students were very motivated to participate in the outreach training and reported that it was a useful educational approach to broaden their understanding of oral diseases and clinical experience. CONCLUSION: The outreach clinic gives dental students a chance to gain valuable clinical experience through the number and diversity of the dental procedures they carry out. They gain confidence and get an opportunity to get acquainted with the primary healthcare system and social determinants of oral diseases. Outreach appears to provide complementary clinical experiences that fulfil learning outcomes. Learning objectives should be taken into account when planning the outreach programme in order to offer meaningful and motivating education.
Asunto(s)
Odontología Comunitaria/educación , Curriculum , Clínicas Odontológicas , Educación en Odontología , Adolescente , Adulto , Niño , Preescolar , Finlandia , Humanos , Odontología Pediátrica/educaciónRESUMEN
AIM: The aim was to compare the working profiles of Finnish and Norwegian dental hygienists in public and private practice. To this end, we compared the procedures performed, the type of patients and the time devoted to different tasks. SUBJECTS AND METHODS: A questionnaire survey was originally conducted among a representative sample of dental hygienists in Finland (n = 595) and all authorized dental hygienists in Norway (n = 1,138) in 2004. The questionnaires collected data on the dental hygienists' age, gender, year of graduation, working experience, work sector (private or public), working time spent on different activities and patient groups. The questionnaire also assessed how frequently the dental hygienists performed 25 different treatment measures. RESULTS: The Norwegian dental hygienists spent 45.4% of their clinical time on check-ups, whereas the Finns spent 49.9% of their time scaling. Dental hygienists in Finland and Norway working in the public sector spent 42.9% and 74.6% of their working time dealing with children and youth respectively. CONCLUSIONS: The working profiles of dental hygienists in Finland and Norway were quite similar, although differences in distribution by activities, type of patients and treatment measures do exist. The main activity of the dental hygienists was clinical work. The most commonly practised clinical activity among Finnish dental hygienists was scaling, and among Norwegians, check-ups. Public dental hygienists in both countries dealt mainly with children and youths. Oral hygiene instruction was the most commonly reported treatment measure among both Finns and Norwegians.
Asunto(s)
Higienistas Dentales , Profilaxis Dental/estadística & datos numéricos , Sector Privado , Sector Público , Adolescente , Adulto , Niño , Atención Dental para Niños/estadística & datos numéricos , Atención Dental para la Persona con Discapacidad/estadística & datos numéricos , Raspado Dental/estadística & datos numéricos , Servicio Odontológico Hospitalario/estadística & datos numéricos , Femenino , Finlandia , Educación en Salud Dental/estadística & datos numéricos , Humanos , Práctica Institucional/estadística & datos numéricos , Masculino , Noruega , Higiene Bucal , Pacientes , Práctica Privada , Odontología Estatal , Factores de TiempoRESUMEN
OBJECTIVES: To describe the dental health of dentists' children, to evaluate its association with their dentist-parents' background and work-related characteristics and to compare it with that of children in the general population in Mongolia. DESIGN: Cross-sectional survey, questionnaire-based data. SUBJECTS: Dentists' children, aged 3-13 years. SAMPLE: All dentists (n = 250) actively practising in the capital city of Mongolia. RESULTS: The dentists' children's dmft ranged from 0 to 12, and DMFT from 0 to 8; 50% were caries-free. The younger the children, the higher was their total caries experience expressed as the sum of DMFT + dmft scores (r = -0.22; P = 0.001). Dentist-parents' background and work-related factors were not associated with their children's caries status (P > 0.05). When dentists' children were compared with their counterparts at the population level, mean dmft for 6-year-olds was 2.6 for (urban) dentists' children, 6.5 for children in the urban population and 0.9 for those in rural population of equivalent age. Mean DMFT for 12-year-olds were 1.0, 1.8 and 1.2, respectively, in the same three groups. In general, (urban) dentists' children in all age groups had better dental health than did their urban counterparts at the population level. Among 5-7-year-olds, dentists' children had worse dental health than did their counterparts in the rural population. CONCLUSIONS: Despite the dentists' knowledge and awareness, their children demonstrated higher rates of dental caries than expected. This suggests that Mongolian dentists may have insufficient preventive orientation. In particular, the primary dentition of younger children seems to be poorly valued. In Mongolia, dentists should have better training and education in modern methods of caries prevention and their advantages. Appreciation and care of the primary dentition need to be improved at all levels of oral health promotion in Mongolia.