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Nye registreringer

  • Surface properties of dental zirconia ceramics affected by ultrasonic scaling and low-temperature degradation 

    Nakazawa, Kosuke; Nakamura, Keisuke; Harada, Akio; Shirato, Midori; Inagaki, Ryoichi; Örtengren, Ulf; Kanno, Taro; Niwano, Yoshimi; Egusa, Hiroshi (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-09-13)
    Zirconia (3Y-TZP) dental prostheses are widely used in clinical dentistry. However, the effect of ultrasonic scaling performed as a part of professional tooth cleaning on 3Y-TZP dental prostheses, especially in conjunction with low-temperature degradation (LTD), has not been fully investigated. The present study aimed to evaluate the influence of ultrasonic scaling and LTD on the surface properties ...
  • Stability of orthodontic treatment outcomes after 1-year treatment with the eruption guidance appliance in the early mixed dentition: A follow-up study 

    Myrlund, Rita; Keski Nisula, Katri; Kerosuo, Heidi (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-11-20)
    <p><i>Objectives</i>: To investigate occlusal stability from the early mixed to the permanent dentition in children after early treatment with the eruption guidance appliance (EGA).</p> <p><i>Materials and Methods</i>: Of 46 participants who received 1-year early EGA treatment, 35 attended a follow-up examination at age 12. Group 1 (n = 21) started their EGA treatment at mean age 7.7 years, and ...
  • Periodontitis and quality of life: What is the role of socioeconomic status, sense of coherence, dental service use and oral health practices? An exploratory theory-guided analysis on a Norwegian population 

    Holde, Gro Eirin Olsen; Baker, Sarah R; Jönsson, Birgitta (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-04-22)
    <p><i>Aim</i> - To utilise Andersen's behavioural model for health services’ use as the theoretical framework to examine direct and indirect relationships between population characteristics, oral health behaviours and periodontitis and oral health impacts. <p><i>Materials and methods</i> - The model was tested in a general adult population (n = 1,886) in Norway, using structural equation ...
  • Prevalence of dental anxiety and associations with oral health, psychological distress, avoidance and anticipated pain in adolescence: a cross-sectional study based on the Tromsø study, Fit Futures 

    Nermo, Hege; Willumsen, Tiril; Johnsen, Jan-Are Kolset (Journal article; Tidsskriftartikkel; Preprint; Manuskript, 2018-10-20)
    <i>Objective</i>: To describe the prevalence of dental anxiety (DA) among adolescents in Tromsø and Balsfjord region in northern Norway and present a multivariate logistic regression model to predict high dental anxiety scores (DASs) among these adolescents.<p> <p><i>Materials and methods</i>: We used self-report questionnaires and clinical dental examination data from adolescents registered in ...
  • Need of non-operative caries treatment in 16-year-olds from Northern Norway 

    Jacobsen, Ioanna Dallari; Crossner, Claes-Göran; Eriksen, Harald; Espelid, Ivar; Ullbro, Arne Christer (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-12-04)
    <p><i>Aim</i>: To assess the prevalence of proximal enamel lesions, the need for non-operative caries treatment and the quality of dental restorations in 869 students aged 16 years from Northern Norway.</p> <p><i>Methods</i>: All first year upper secondary school students in Tromsø and Balsfjord municipalities were invited to participate in an oral- and general health project (Fit Futures). The ...
  • The effect of smear layer removal on E. faecalis leakage and bond strength of four resin-based root canal sealers 

    Andriukaitiene, Laura; Song, Xiaobo; Yang, Nannan; Lippo V. J., Lassila; K. Vallittu, Pekka; Kerosuo, Eero (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-12-13)
    <p><i>Background</i>: The aim of the study was to assess bacterial sealability and bonding ability of methacrylate-based Resilon (RS, SybronEndo), Endo Rez (ER, Ultradent Products Inc), and epoxy-based AH Plus (AH, Dentsply/DeTrey), MTA Fill Apex (MTAF, Angelus Soluções Odontológicas) root canal sealers, and the effect of the smear layer removal on the sealability.</p> <p><i>Methods</i>: One ...
  • Changes in dental anxiety among 15‐ to 21‐year‐olds. A 2‐year longitudinal analysis based on the Tromsø study: Fit futures 

    Nermo, Hege; Willumsen, Tiril; Johnsen, Jan-Are Kolset (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-11-08)
    <i>Objective</i>: Identify predictive variables related to the development and continuation of high dental anxiety among young people over 2 years and assess differences between youth experiencing increased, decreased or unchanged dental anxiety scores over time.<p> <p><i>Methods</i>: An observational panel study of 15‐to 21‐year‐old people in Tromsø and Balsfjord region followed students from ...
  • Investigational Clinical Trial of a Prototype Optoelectronic Computer-Aided Navigation Device for Dental Implant Surgery 

    Jokstad, Asbjørn; Winnett, Brenton; Fava, Joseph; Powell, David; Somogyi-Ganss, Eszter (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-06)
    Purpose: New digital technologies enable real-time computer-aided (CA) three-dimensional (3D) guidance during dental implant surgery. The aim of this investigational clinical trial was to demonstrate the safety and effectiveness of a prototype optoelectronic CA-navigation device in comparison with the conventional approach for planning and effecting dental implant surgery. Materials and Methods: ...
  • Determination of copy number and circularization ratio of Tn916-Tn1545 family of conjugative transposons in oral streptococci by droplet digital PCR 

    Lunde, Tracy Munthali; Al-Haroni, Mohammed; Roberts, Adam P. (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-12-06)
    <p><I>Background</I>: Tn916 and Tn1545 are paradigms of a large family of related, broad host range, conjugative transposons that are widely distributed in bacteria and contribute to the spread of antibiotic resistance genes (ARGs). Variation in the copy number (CN) of Tn916-Tn1545 elements and the circularization ratio (CR) may play an important role in propagation of ARGs carried by these ...
  • Group 1 ITI Consensus Report: The influence of implant length and design and medications on clinical and patient-reported outcomes 

    Jung, Ronald; Al-Nawas, Bilal; Araujo, Mauricio; Avila-Ortiz, Gustavo; Barter, Stephen; Brodala, Nadine; Chappuis, Vivianne; Chen, Bo; De Souza, Andre; Almeida, Ricardo Faria; Fickl, Stefan; Finelle, Gary; Ganeles, Jeffrey; Gholami, Hadi; Hammerle, Christoph; Jensen, Simon; Jokstad, Asbjørn; Katsuyama, Hideaki; Kleinheinz, Johannes; Kunavisarut, Chatchai; Mardas, Nikos; Monje, Alberto; Papaspyridakos, Panos; Payer, Michael; Schiegnitz, Eik; Smeets, Ralf; Stefanini, Martina; ten Bruggenkate, Christiaan; Vazouras, Konstantinos; Weber, Hans-Peter; Weingart, Dieter; Windisch, Péter (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-10-17)
    <p><i>Objectives</i>: The aim of Working Group 1 was to address the influence of different local (implant length, diameter, and design) and systemic (medications) factors on clinical, radiographic, and patient‐reported outcomes in implant dentistry. Focused questions on (a) short posterior dental implants (≤6 mm), (b) narrow diameter implants, (c) implant design (tapered compared to a non‐tapered ...
  • Systematic review of clinical and patient-reported outcomes following oral rehabilitation on dental implants with a tapered compared to a non-tapered implant design 

    Jokstad, Asbjørn; Ganeles, Jeffrey (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-10-17)
    <p><i>Background</i>: Dental implants are available in different shapes.</p> <p><i>Aims</i>: This systematic review aims to address whether tapered compared to non‐tapered implants demonstrate similar clinical and patient‐reported outcomes. The review follows the preferred reporting items for systematic reviews and meta‐analyses (PRISMA) format.</p> <p><i>Materials & Methods</i>: We searched ...
  • Mode of correction is related to treatment timing in Class II patients treated with the mandibular advancement locking unit (MALU) appliance 

    Candir, Muhsin; Kerosuo, Heidi Maria (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-01-25)
    <p><i>Objective</i>: To investigate the proportion of skeletal/dentoalveolar components for correction of Class II malocclusion in relation to the pubertal growth peak (PGP) among patients treated with the mandibular advancement locking unit (MALU) appliance.</p> <p><i>Materials and Methods</i>: We conducted a retrospective study of 27 orthodontic patients (age range: 12–18 years; mean age 14.9 ...
  • Effects of the Conceptual Model of Health Literacy as a Risk: A Randomised Controlled Trial in a Clinical Dental Context 

    Stein, Linda Maria; Bergdahl, Maud; Pettersen, Kjell Sverre; Bergdahl, Jan (Journal article; Tidsskriftartikkel; Peer reviewed, 2018-08-01)
    Numerous conceptual models of health literacy have been proposed in the literature, but very few have been empirically validated in clinical contexts. The aim of this study was to test the effects of the conceptual model of health literacy as a risk in a clinical dental context. A convenience sample of 133 Norwegian-speaking adults was recruited. Participants were randomly allocated to an intervention ...
  • Photo-irradiated caffeic acid exhibits antimicrobial activity against Streptococcus mutans biofilms via hydroxyl radical formation 

    Nakamura, Keisuke; Shirato, Midori; Kanno, Taro; Lingström, Peter; Ørtengren, Ulf Thore; Niwano, Yoshimi (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-07-25)
    An antimicrobial technique based on photo-oxidation of caffeic acid (CA) has recently been developed, but its effect on biofilm-forming bacteria is unknown. The present study aimed to evaluate the effect of photo-irradiated CA against Streptococcus mutans (cariogenic bacteria) biofilm as it relates to hydroxyl radical formation. S. mutans biofilms grown on hydroxyapatite disks were immersed in CA ...
  • Frequency of visits and examinations in the Public Dental Service in Finland - a retrospective analysis, 2001-2013 

    Linden, Jari; Josefsson, Kim; Widström, Eeva (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-11-28)
    Background:<br> This study aimed to investigate longitudinally examination and visiting patterns in the Finnish Public Dental Service (PDS) and to relate these to patients’ treatment needs and international recommendations on examination intervals. <br> Methods: <br> Data on patients and their dental visits in the period 2001–2013 were collected from five municipal PDS-units serving a total ...
  • Cochrane Collaboration Systematic Reviews may be based on trials not approved by a research ethics committee 

    Jokstad, Asbjørn (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-10-27)
    Systematic reviews (SR) may potentially contain reports of primary trials with ethical problems. The Cochrane Collaboration SRs are considered as the highest standard in evidence-based health care resources. All SRs completed during the last 5 years (2013–2017) under the management of the Oral Health Group of the Cochrane Collaboration were identified. All primary trials included in the Oral Health ...
  • Sverige och Norge erbjöd fast job – Finland bara osäkerhet: Fick professurer i Tromsö 

    Viktorsson, Sören (Journal article; Tidsskriftartikkel, 2017)
    När Finland inte förmår levera söker sig universitetslärare utomlands. Acatiimi har intervjuat några som fått jobb i Sverige samt Norge.
  • Long-Term Effect of Erythritol on Dental Caries Development during Childhood: A Posttreatment Survival Analysis 

    Falony, G; Honkala, Sisko; Runnel, R; Olak, J; Nommela, R; Russak, S; Saag, M; Makinen, P-L; Makinen, K; Valhberg, T; Honkala, Eino (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-12)
    Objective: Assess the effect of daily consumption of erythritol, xylitol, and sorbitol candies on caries development in mixed dentition during a three-year intervention and three years after the intervention. Methods: 485 Estonian first and second grade primary school children participated. Children were randomly allocated to an erythritol, xylitol, or sorbitol (control) group. Polyol-containing ...
  • Five-minute Apgar score ≤ 5 and molar incisor hypomineralisation (MIH) - a case control study 

    Sidaly, Rivan; Schmalfuss, Andreas Jørn; Skaare, Anne B; Sehic, Amer; Stiris, Tom; Espelid, Ivar (Journal article; Tidsskriftartikkel; Peer reviewed, 2016-07-22)
    Background: The aetiology of molar incisor hypomineralisation (MIH) is unclear. The asymmetric distribution of MIH in the dentition may indicate that an insult of short duration that affects ameloblasts at a vulnerable stage could be a causative factor. Apgar ≤ 5 at 5 min may indicate asphyxia (hypoxic-ischemic insult) during birth. It was hypnotised that low Apgar score during birth may cause MIH. ...

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