PubMed Journal Database | Acta odontologica Scandinavica 
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Showing PubMed Articles 1–25 of 155 from Acta odontologica Scandinavica
Abstract Objective. To evaluate the sealing ability and bond strength of AH Plus sealer associated with the hybridization protocol of radicular dentin with Scotchbond Multi Purpose (SB). Materials and methods. Ninety palatal roots of maxillary molars were selected and divided into three groups (n = 30) according to filling protocol (G1, AH Plus/Resilon; G2, SB/AH Plus/Resilon; and G3, AH Plus/Gutta-Percha). In groups in which AH Plus + resin cones were used, dentin was hybridized before applying sealing mat...
Socio-cultural aspects of oral health among the Fulani in Ferlo (Senegal): A qualitative study.
Abstract Objectives. Health is a subjective concept that considers the social, cultural, environmental and behavioural problems of the individual. This study was conducted with the objective of better understanding the sociocultural aspects related to the oral health of the Fulani populations of Ferlo, Senegal. Methods. The study was qualitative and based in the area of the Great Green Wall (GGW) in the region known as Ferlo, northern Senegal. Data were collected by semi-structured interviews in a sample of...
Survival of primary molar restorations in four birth cohorts-A retrospective, practice-based study.
Abstract Objective. Paediatric restorative dentistry continues being a challenge in everyday clinical practice. Practise-based survival analysis covering entire age cohorts offer an epidemiological approach to this issue in studying survival of restorations in primary teeth. The aim of this study was to compare survival of restorations in primary molars in 1985, 1990, 1995 and 2000 age cohorts associated with some population-related factors. Material and methods. Data from dental records of the entire cohor...
Abstract Objective. Oral health of young people has improved in the industrialized countries during past decades. However, stagnation of this progress has been reported recently. The main aim of this epidemiological study was to investigate the level of cariological treatment history and need (DMFT, DT) and polarization of dental caries among a healthy young male population born in the early 1990s. Materials and methods. Oral health of 13,564 men and 255 women born in 1990, 1991 or 1992 was screened based o...
The influence of nasopharyngeal patency on the morphology of nasomaxillary complex.
Abstract Objective. The aim of this study was to compare the nasomaxillary complex in subjects with nasopharyngeal obstruction symptoms and the group with normal nasopharyngeal patency. Materials and methods. The study analyzed lateral cephalograms and dental plaster casts of 229 orthodontic subjects from the orthodontic clinic, i.e. 129 (56%) females and 100 (44%) males, age range of 6-30 years (mean age = 13.79). The analysis of radiographs and cephalometric measurements were performed using Orto-TestPor-...
Abstract Objective. This study investigated the efficacy of ozone on microflora of patients with fixed orthodontic appliances. Materials and methods. Ten subjects undergoing fixed appliance therapy were enrolled in the study. Before any application, two elastic ligatures were removed with the aid of a sterile probe from the premolar brackets on the upper right and lower left jaws for baseline bacteriological counts. Then ozone gas was applied for 180 s by running the device on prophylaxis mode with included...
Measuring periodontal biologic distances: Transperiodontal vs transsurgical probing.
Abstract Objective. Crown-lengthening surgeries are widely indicated in dental practice and the proper measurement of biological distances is imperative for accurate surgical, prosthetic or restorative planning. However, few clinical studies have evaluated the methods for measuring these distances. The aim of this study was to compare the transperiodontal (before incision/BI: immediately before the intrasulcular incision) and transsurgical (after incision/AI: immediately after mucoperiosteal flap reflection...
Pre-diabetes and diabetes: Medical risk factors and periodontal conditions.
Abstract Objective. The aim of this study was to evaluate the difference between subjects with pre-diabetes, well or poorly controlled diabetes mellitus type 2 (T2D) and non-diabetes concerning such medical risk factors as hemoglobin A1c, body mass index (BMI) and waist circumference (WC) with periodontal conditions. Materials and methods. BMI, WC, PI, BOP, PD and marginal bone level (MBL) were recorded. Hemoglobin A1c (HbA1c) level and random blood glucose level (RBGL) were analyzed. Results. Forty-five su...
Abstract Objective. It should be expected that type 1 diabetes mellitus may disturb innate and acquired immunity. There are no data on type 1 diabetes mellitus-related changes in the salivary flow and the protein output responsible for the innate immunity of saliva depending on the quality of dentition reflecting the age of child. The aim of this work was the evaluation of parameters responsible for the innate immunity of saliva in children and adolescents with type 1 diabetes mellitus. Materials and method...
Abstract Objective. Excessive wound contraction apparently inhibits maxillary growth; thus, myofibroblast apoptosis needs to be accelerated in mucoperiosteal denudation after palatoplasty. The aim of this study was to evaluate myofibroblast apoptosis during wound healing in mucoperiosteal denudation of rat palates immediately after post-operative administration of basic fibroblast growth factor (bFGF). Materials and methods. A total of 100 male Wistar rats aged 20 days were divided into control, scar, sham...
Abstract Objective. Permanent cementations of zirconia-ceramic restorations may conflict with the rationale for retrievability of implant-supported restorations. The aim of this study was to test the hypothesis that retrievable, tooth-implant supported FDPs made of veneered zirconia ceramic cores are a viable treatment alternative. Material and methods. Restorations of patients in private practice and dental clinic were evaluated by reviewing patient records retrospectively and performing a final clinical e...
Abstract Objectives. This study compared the hydrolytic degradation of composite restorations based on methacrylate and silorane systems regarding bond strength and marginal adaptation. Materials and methods. Sixty bovine incisors were ground flat to obtain a 2-mm thick slice in which conical preparations were made. The specimens were randomly distributed into four groups (n = 15) according to the restorative system (silorane-Filtek LS/P90 adhesive; methacrylate-Filtek P60/Adper Easy Bond) and the degradati...
Assessment of the sealing abilities of several root canal sealers and filling methods.
Abstract Objective. To evaluate the sealing abilities of two root canal sealers (epoxy resin-based AH Plus® and polydimethylsiloxane-based GuttaFlow®) and of five root filling techniques (lateral condensation, matched taper single gutta-percha point, laterally condensed-matched taper gutta-percha point, Thermafil® and continuous wave of condensation), using a bacterial leakage model. Materials and methods. One hundred and seventy-four single-rooted human teeth were randomly divided into 10 test groups (n...
Effectiveness of curcumin against Enterococcus faecalis biofilm.
Abstract Objectives. To evaluate the antimicrobial efficacy of curcumin against Enterococcus faecalis biofilm formed on tooth substrate in vitro. Sodium hypochlorite (NaOCl) and chlorhexidine (CHX) served as standards for comparison. Materials and methods. Biofilms of E.faecalis were formed on instrumented, extracted human teeth (n = 96). At the end of the 2nd day, 2nd and 8th weeks, specimens were treated for 30 min with one of the test solutions or saline (control) and the surviving colony-forming units...
Abstract Objectives: This study investigated the long-term survival and the prognostic factors of endodontic treatments performed in a dental teaching hospital. The aim was to calculate the probabilities of success or failure according to the follow-up extent and to assess the time allowed for a complete periapical healing. Materials and methods. A cohort of 185 teeth were re-examined 1-4 years after treatment. The outcome was assessed on the basis of radiographic and clinical criteria as success, uncertain...
Abstract Aim. To describe the pattern of presentation of carious permanent teeth with pulp exposure and to determine factors associated with choice of treatment for such teeth. Materials and methods. All patients presenting at the oral diagnosis clinic of Lagos University Teaching Hospital Dental centre between January 2009 and June 2009 were examined and those with carious lesion involving the pulp were included in the study. The history and character of pain from teeth, extent of tooth structure lost, pro...
Periodontal disease and risk of psoriasis among nurses in the United States.
Abstract Objective. Periodontal disease has been associated with systemic inflammation and may be a risk factor for autoimmune diseases. This study evaluated the association between periodontal disease and the risk of incident psoriasis in a large prospective cohort study. Material and methods. Self-reported history of periodontal bone loss, from 1998-2008, was evaluated as a risk factor for incident psoriasis among 60,457 women in the Nurses' Health Study. Secondary analyses examined associations between h...
Abstract Objective. The purpose of this study was to clarify the relationship between changes in masseter muscle oxygenation measured by near-infrared spectroscopy (NIRS) and changes in the electromyographic (EMG) power spectrum during experimental chewing of gum with harder texture, to improve the understanding of the use of NIRS in assessing masseter muscle fatigue. Material and methods. Ten female volunteers with normal occlusion were examined. Mean age (standard deviation) was 28.4 (3.8) years. Mean fra...
Suitability of ART approach for managing caries lesions in people with disability-Experts' opinion.
Abstract Objective. This study aimed to obtain the opinions of experts in Special Care Dentistry (SCD) regarding the suitability of the Atraumatic Restorative Treatment (ART) approach for the treatment of carious lesions in persons with disability. Material and methods. Thirty expert participants from around the world, joining the SCD Task Force meeting, Education Committee of the International Association of Disability and Oral Health (Antalya, Turkey, 2011), completed a questionnaire survey. Frequency dis...
Abstract Objective. To compare the diagnostic accuracy of panoramic imaging, stereo-scanography and cone beam computed tomography (CBCT) for assessment of mandibular third molars. Material and methods. One hundred and twelve patients (147 third molars) underwent radiographic examination by panoramic imaging, stereo-scanography and CBCT. Tooth angulation, root morphology, number of roots and relation to the mandibular canal were assessed. The same variables were assessed intra- and post-operatively and serve...
Abstract Objective. To assess reported cases of bisphosphonate-related osteonecrosis of the jaw (BONJ) to Medicines Agencies (MAs) in four Nordic countries and to compare the Norwegian MA data with BONJ cases retrieved through an e-mail survey to Oral and Maxillofacial Surgeons (OMS) in Norway. Material and methods. BONJ cases reported to the national MAs in each country from January 1st 2003 to September 30th 2010 were collected. An e-mail survey was sent to all active members of the Norwegian Association...
Effects of lithium on extraction socket healing in rats assessed with micro-computed tomography.
Abstract Objective. Lithium is an activator of β-catenin signaling and β-catenin plays an important role in regulating bone formation and remodeling. The purpose of this study was to investigate the effects of lithium on bone repair in tooth extraction sockets in rats. Material and methods. Twenty male Wistar rats were subjected to maxillary left second molar extraction. The animals received a daily injection of lithium chloride (LiCl) or the same dose of sodium chloride (NaCl) starting 7 days before toot...
Patient safety incidents reported by Finnish dentists; results from an internet-based survey.
Abstract Background. Few data are available on dental patient safety (PS), as most PS studies have focused on other activities in health care. Objective. To detect types and causes of dental PS incidents (PSIs), including adverse events (AEs) and near misses (NMs), in Finnish dental care. Material and methods. Altogether 1041 privately or publicly employed dentists in southern Finland completed a structured questionnaire using an internet-based system (Webropol) in 2010. Results. Nearly one third of the den...
Abstract Objective. To compare the increase of DMF-T and DMF-S in patients with aggressive periodontitis (AgP) and chronic periodontitis (ChP) after active periodontal therapy. Materials and methods. One hundred and thirty-six periodontally treated patients were re-examined after 10 years. Dental and periodontal status was assessed and patients' charts were screened for diagnosis, compliance to supportive periodontal treatment (SPT) and DMF-T/-S at baseline and re-examination. δDMF-T/-S was calculated and...
Nitric oxide modulates levels of salivary Lactobacilli.
Abstract Objective. Nitric Oxide (NO) is one of the most powerful antibacterial compounds. The aim of this study was to determine the association between salivary NO, dental caries and cariogenic bacteria. Materials and methods. The salivary NO concentration of 257 Korean children was analyzed by the Griess colorimetric reaction method. Salivary mutans streptococci (MS) and Lactobacilli (LB) were counted using the Dentocult MS and Dentocult LB kit, respectively. Dental caries status was examined using the W...
