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Acta Odontologica Scandinavica

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https://www.readbyqxmd.com/read/28814141/effects-of-calcitonin-on-orthodontic-tooth-movement-and-associated-root-resorption-in-rats
#1
Ling Guan, Suai Lin, Weijun Yan, Lei Chen, Xiaofeng Wang
OBJECTIVES: Our main aim was to evaluate the effects of calcitonin (CT) on orthodontic tooth movement (OTM) and orthodontic root resorption in a rat model. MATERIAL AND METHODS: Eighty male Wistar rats were randomly divided into five groups. Rats in the negative control group were not given any appliances or injections. All the remaining rats were used to establish a model of OTM. The positive control group were then injected with normal saline, while rats in the three experimental groups were injected with 0...
August 17, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28805103/dentoalveolar-oral-surgery-in-children-and-adolescents-organization-and-surgical-treatment-in-a-large-danish-municipal-dental-service
#2
Anni Birgitte Grønbæk, Flemming Petersen, Dorte Haubek, Sven Poulsen
OBJECTIVE: To describe a population-based organization of dentoalveolar surgical service for 0 to 18-year old subjects in a Danish municipal dental service, and analyze the type of dentoalveolar surgical interventions needed. MATERIAL AND METHODS: The study was conducted in the Municipality of Aarhus, Denmark during five consecutive school-years. An internal referral system was established within the municipality where patients could be referred to colleagues with a higher level of competencies and more experiences with paediatric dentoalveolar surgery...
August 13, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28799814/electromagnetic-interference-of-dental-equipment-with-implantable-cardioverter-defibrillators
#3
Manoela Teixeira de Sant'Anna Dadalti, Antônio José Ledo Alves da Cunha, Marcos César Pimenta de Araújo, Luis Gustavo Belo de Moraes, Patrícia de Andrade Risso
OBJECTIVE: Implantable cardioverter defibrillators (ICDs) are subject to electromagnetic interference (EMI). The aim of this study was to assess both the EMI of dental equipments with ICDs and related factors. MATERIALS AND METHODS: High- and low-speed handpieces, an electric toothbrush, an implant motor and two types of ultrasonic devices were tested next to an ICD with different sensitivity settings. The ICD was immersed in a saline solution with electrical resistance of 400-800 ohms to simulate the resistance of the human body...
August 11, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28793813/manual-tracing-versus-smartphone-application-app-tracing-a-comparative-study
#4
Gülşilay Sayar, Delal Dara Kilinc
OBJECTIVE: This study aimed to compare the results of conventional manual cephalometric tracing with those acquired with smartphone application cephalometric tracing. MATERIALS AND METHODS: The cephalometric radiographs of 55 patients (25 females and 30 males) were traced via the manual and app methods and were subsequently examined with Steiner's analysis. Five skeletal measurements, five dental measurements and two soft tissue measurements were managed based on 21 landmarks...
August 9, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28789581/profiling-of-smokers-and-snuffers-among-young-finnish-men-cross-sectional-epidemiological-study
#5
Jari Päkkilä, Vuokko Anttonen, Pertti Patinen, Kai Nyman, Kirsi Valkeapää, Dowen Birkhed, Leo Tjäderhane, Tarja Tanner
OBJECTIVE: The purpose of this study was to get new information from several sources about the background factors of Finnish smokers, snuffers, and dual users. Profiles of young smokers and snuffers were investigated in association with restorative treatment need, oral hygiene, eating habits, physical activity, body mass index (BMI), psychological and socioeconomic factors. MATERIAL AND METHODS: The study group comprised 3420 conscripts. The data were collected from four different sources: a health examination including an oral health screening, a computer-based questionnaire for investigating individual background factors, a psychological test assessing cognitive skills, and the Cooper test...
August 8, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28754083/associations-between-ectodermal-dysplasia-psychological-distress-and-quality-of-life-in-a-group-of-adults-with-oligodontia
#6
Solfrid Sørgjerd Saltnes, Janicke Liaaen Jensen, Rønnaug Sæves, Hilde Nordgarden, Amy Østertun Geirdal
OBJECTIVE: The aim of this study was to assess demographics, self-reported signs of ectodermal dysplasia (problems with hair, nails, skin and sweat glands), present teeth, previous dental treatment, psychological distress and QoL in individuals with oligodontia, and to explore the associations between these factors. We also aimed to compare the level of psychological distress and QoL between the study group and normative samples. METHODS: Forty-seven individuals with oligodontia registered at a resource centre in Norway were included in the study...
July 28, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28754080/diagnostic-accuracy-of-phosphor-plate-systems-and-conventional-radiography-in-the-detection-of-simulated-internal-root-resorption
#7
Karla de Faria Vasconcelos, Karla Rovaris, Eduarda Helena Leandro Nascimento, Matheus Lima Oliveira, Débora de Melo Távora, Frab Norberto Bóscolo
OBJECTIVE: To evaluate the performance of conventional radiography and photostimulable phosphor (PSP) plate in the detection of simulated internal root resorption (IRR) lesions in early stages. MATERIALS AND METHODS: Twenty single-rooted teeth were X-rayed before and after having a simulated IRR early lesion. Three imaging systems were used: Kodak InSight dental film and two PSPs digital systems, Digora Optime and VistaScan. The digital images were displayed on a 20...
July 28, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28754061/is-caries-equally-distributed-in-adults-a-population-based-cross-sectional-study-in-norway-the-tohnn-study
#8
Nils Oscarson, Ivar Espelid, Birgitta Jönsson
OBJECTIVES: The aim of the study was to examine the prevalence and distribution of dental caries in an adult population and identify factors associated with being caries free. MATERIAL AND METHODS: Data were collected from a randomized population sample in Northern Norway (N = 1932; 988 women; mean age 47.0 years, SD 15.3). The study included a structured questionnaire and a clinical examination. The sum of enamel and dentine caries, DS1-5, formed the main outcome measures for caries prevalence...
July 28, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28724318/validation-of-the-salivary-urea-and-creatinine-tests-as-screening-methods-of-chronic-kidney-disease-in-vietnamese-patients
#9
Thuy Anh Vu Pham
OBJECTIVES: The aims of this case control study were to correlate the serum and salivary urea as well as creatinine levels; and to evaluate salivary urea and creatinine as noninvasive alternatives to serum for creatinine estimation in chronic kidney disease (CKD) patients. METHODS: Blood and saliva samples were collected from 112 CKD patients and 108 subjects without CKD for quantitative analysis of urea and creatinine. Spearman's correlation coefficients between salivary and serum urea as well as creatinine were obtained...
July 20, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28715944/comparison-of-two-different-techniques-used-for-the-maintenance-ofperi-implant-soft-tissue-health-a-pilot-randomized-clinical-trial
#10
Logien Al Ghazal, Jeffery O'Sullivan, Noel Claffey, Ioannis Polyzois
OBJECTIVES: The aim of this pilot study was to compare the effectiveness of two different methods of debridement on maintaining and improving peri-implant soft tissue health over a period of 12 months. MATERIALS AND METHODS: Twenty adult patients (25 implants) were enrolled in a randomized, single-blinded, parallel group clinical trial. All implants included showed no signs of pathologic bone loss. Patients were scheduled to be reviewed every 3 months over a 12 months period...
July 17, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28708011/effect-of-local-zoledronate-delivery-on-osseointegration-a-systematic-review-of-preclinical-studies
#11
Sergio Varela Kellesarian, Shatha Subhi ALHarthi, Munerah Saleh Binshabaib, Fawad Javed
PURPOSE: The aim of the present systematic review was to assess the effect of local zoledronate (ZOL) delivery (topical or as implant surface coatings) on osseointegration. MATERIALS AND METHODS: In this systematic review, the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed. To address the focused question, 'Does local zoledronate delivery enhance osseointegration?' indexed databases were searched without time or language restrictions up to and including April 2017 using various combination of the following keywords: 'zoledronate', 'bisphosphonates', 'osseointegration' and 'topical administration'...
July 14, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28701058/attitudes-and-behavioural-factors-relating-to-toothbrushing-and-the-use-of-fluoride-toothpaste-among-caries-active-swedish-adolescents-a-questionnaire-study
#12
Anna Nordström, Dowen Birkhed
OBJECTIVE: The aim of this study was to identify attitudes and behaviour relating to fluoride toothpaste and toothbrushing habits among caries-active Swedish adolescents. MATERIALS AND METHODS: This cross-sectional study is based on an earlier clinical, two-year toothpaste intervention study. At the last appointment, 206 adolescents (of 211) answered a questionnaire comprising nine semi-closed questions. RESULTS: The majority (93%) brushed their teeth every day, while 7% did so only occasionally...
July 12, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28701056/effects-of-polyhexamethylene-guanidine-phosphate-on-human-gingival-fibroblasts
#13
Anton Vitt, Veronica Slizen, Elisabeth A Boström, Tülay Yucel-Lindberg, Anna Kats, Rachael V Sugars, Anders Gustafsson, Kåre Buhlin
OBJECTIVE: Polyhexamethylene guanidine phosphate (PHMG-P) was compared to chlorhexidine (CHX) in order to determine potential cytotoxic and immune-modulatory effects on human gingival fibroblasts. MATERIALS AND METHODS: Cytotoxic effects of PHMG-P and CHX on human gingival fibroblasts were assessed using cell viability assay at various time points and concentrations. The effects of PHMG-P and CHX on the secretion of prostaglandin (PG) E2, interleukin (IL)-6, IL-8 and matrix metalloproteinase (MMP)-1 by non-stimulated or IL-1β stimulated fibroblasts were evaluated by enzyme-linked immunosorbent assays...
July 12, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28693407/patterns-of-drugs-prescribed-for-dental-outpatients-in-nigeria-findings-and-implications
#14
Joseph O Fadare, Kazeem A Oshikoya, Obitade S Obimakinde, Abayomi O Sijuade, Jide M Afolayan, Adeyinka A Adeleke, Brian Godman, Damilola O Ojumu
OBJECTIVES: There are concerns with inappropriate prescribing of medicines among dentists especially antimicrobials. It is more concerning if this increases resistance rates. This study aimed to address this by assessing patterns of drugs prescribed for outpatients attending a hospital dental clinic in Nigeria. The findings will be used to plan future interventions, particularly around antimicrobial prescribing, where there are concerns. METHODS AND MATERIALS: Medical records of patients attending the dental clinic of a leading teaching hospital in Nigeria were evaluated...
July 11, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28693361/systemic-effects-of-h2s-inhalation-at-human-equivalent-dose-of-pathologic-halitosis-on-rats
#15
Defne Yalçın Yeler, Murat Aydin, Mehmet Gül, Turgay Hocaoğlu, Hakan Özdemir, Melike Koraltan
OBJECTIVES: Halitosis is composed by hundreds of toxic gases. It is still not clear whether halitosis gases self-inhaled by halitosis patients cause side effects. The aim of the study was to investigate the effect of H2S inhalation at a low concentration (human equivalent dose of pathologic halitosis) on rats. MATERIALS AND METHODS: The threshold level of pathologic halitosis perceived by humans at 250 ppb of H2S was converted to rat equivalent concentration (4...
July 11, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28681629/cyclic-stretch-induced-the-cytoskeleton-rearrangement-and-gene-expression-of-cytoskeletal-regulators-in-human-periodontal-ligament-cells
#16
Yaqin Wu, Jiabao Zhuang, Dan Zhao, Fuqiang Zhang, Jiayin Ma, Chun Xu
OBJECTIVE: This study aimed to explore the mechanism of the stretch-induced cell realignment and cytoskeletal rearrangement by identifying several mechanoresponsive genes related to cytoskeletal regulators in human PDL cells. MATERIAL AND METHODS: After the cells were stretched by 1, 10 and 20% strains for 0.5, 1, 2, 4, 6, 12 or 24 h, the changes of the morphology and content of microfilaments were recorded and calculated. Meanwhile, the expression of 84 key genes encoding cytoskeletal regulators after 6 and 24 h stretches with 20% strain was detected by using real-time PCR array...
July 6, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28678588/enlargement-of-the-apical-foramen-of-mature-teeth-by-instrumentation-and-apicoectomy-a-study-of-effectiveness-and-the-formation-of-dentinal-cracks
#17
Cristina Bucchi, Alvaro Gimeno-Sandig, Cristina Manzanares-Céspedes
OBJECTIVE: In the last few years there have been attempts to revascularize mature necrotic teeth instead of performing a standard root canal treatment. Apical foramen enlargement (AFE) would be necessary for regenerative treatments of mature teeth. In the literature, AFE has been made through apicoectomy and instrumentation. However, no standardized methods have been described yet, which may affect the success of the therapy. Our aim was to describe the effectiveness and damage to dental structures of five methods for AFE...
July 5, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28643542/long-term-stability-of-splinted-anterior-mandibular-teeth-during-supportive-periodontal-therapy
#18
Sarah K Sonnenschein, Carlota Betzler, Maurice A Rütters, Johannes Krisam, Daniel Saure, Ti-Sun Kim
OBJECTIVE: The aim of the study was to retrospectively assess the survival rate and stability of periodontally compromised and mobile anterior mandibular teeth after splinting in patients under supportive periodontal therapy (SPT). MATERIALS AND METHODS: Thirty-nine patients with splinted anterior mandibular teeth and SPT (≥1 visit/year) for 3-15 years were re-examined. Periodontal status, patient and tooth-related factors were assessed retrospectively before (baseline) and 3 years after splinting (n = 39 patients, 162 splinted teeth)...
June 23, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28641068/centric-relation-intercuspal-position-discrepancy-and-its-relationship-with-temporomandibular-disorders-a-systematic-review
#19
Antonio Jiménez-Silva, Julio Tobar-Reyes, Sheilah Vivanco-Coke, Eduardo Pastén-Castro, Hernán Palomino-Montenegro
OBJECTIVE: The objective of this study is to assess the relationship between centric relation-intercuspal position discrepancy (CR-ICP discrepancy) and temporomandibular disorders (TMDs), by systematically reviewing the literature. MATERIALS AND METHODS: A systematic research was performed between 1960 and 2016 based on electronic databases: PubMed, Cochrane Library, Medline, Embase, Scopus, EBSCOhost, BIREME, Lilacs and Scielo, including all languages. Analytical observational clinical studies were identified...
June 22, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28622039/determinants-for-craniofacial-pains-in-children-6-8-years-of-age-the-panic-study
#20
Anu Vierola, Anna Liisa Suominen, Aino-Maija Eloranta, Niina Lintu, Tiina Ikävalko, Matti Närhi, Timo A Lakka
OBJECTIVE: Determinants for orofacial pain, headache, morning headache and painful signs of temporomandibular disorders (TMD) were investigated in prepubertal children. MATERIAL AND METHODS: The participants were a population sample of 439 children aged 6-8 years. Craniofacial pains, eating meals and snacks, sleep bruxism, sleep quality, sleep-disordered breathing (SDB), psychological well-being, parental education and household income were assessed by questionnaires filled out by the parents...
June 16, 2017: Acta Odontologica Scandinavica
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