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Clinical Oral Investigations

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https://www.readbyqxmd.com/read/28801807/hyaluronan-mediated-mononuclear-leukocyte-binding-to-gingival-fibroblasts
#1
Daniel Hagenfeld, Nico T Mutters, Inga Harks, Raphael Koch, Ti-Sun Kim, Peter Prehm
OBJECTIVES: Binding of mononuclear leukocytes to hyaluronan cable structures is a well-known pathomechanism in several chronic inflammatory diseases, but has not yet described for chronic oral inflammations. The aim of this study was to evaluate if and how binding of mononuclear leukocytes to pathologic hyaluronan cable structures can be induced in human gingival fibroblasts. MATERIAL AND METHODS: Experiments were performed with human gingival fibroblasts and peripheral blood mononuclear cells (PBMCs) from three healthy blood donors...
August 12, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28785813/traditional-or-regenerative-periodontal-surgery-a-comparison-of-the-publications-between-two-periodontal-journals-over-time
#2
REVIEW
Noémie Staubli, Julia C Schmidt, Sabrina L Buset, Claudia J Gutekunst, Fabiola R Rodriguez, Patrick R Schmidlin, Clemens Walter
OBJECTIVES: The objective is to compare the amount and content of publications regarding traditional or regenerative periodontal surgery in the years 1982/1983 and 2012/2013 in two leading periodontal journals of North America and Europe. MATERIAL AND METHODS: The search was carried out in the Journal of Periodontology and Journal of Clinical Periodontology. Four reviewers screened the articles and allocated the topics with respect to periodontal surgery. The distribution of articles with respect to traditional or regenerative periodontal surgery was then compared between the journals and the respective time periods...
August 7, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28779221/expression-of-small-leucine-rich-extracellular-matrix-proteoglycans-biglycan-and-lumican-reveals-oral-lichen-planus-malignant-potential
#3
Božana Lončar-Brzak, Marko Klobučar, Irena Veliki-Dalić, Ivan Sabol, Sandra Kraljević Pavelić, Božo Krušlin, Marinka Mravak-Stipetić
OBJECTIVES: The aim of this study was to examine molecular alterations on the protein level in lesions of oral lichen planus (OLP), oral squamous cell carcinoma (OSCC) and healthy mucosa. MATERIALS AND METHODS: Global protein profiling methods based on liquid chromatography coupled to mass spectrometry (LC-MS) were used, with a special emphasis on evaluation of deregulated extracellular matrix molecules expression, as well as on analyses of IG2F and IGFR2 expression in healthy mucosa, OLP and OSCC tissues by comparative semi-quantitative immunohistochemistry...
August 4, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28776096/influence-of-radiotherapy-on-the-dentin-properties-and-bond-strength
#4
Renata Borges Rodrigues, Carlos José Soares, Paulo Cézar Simamoto Junior, Vitor Carvalho Lara, Victor Elias Arana-Chavez, Veridiana Resende Novais
OBJECTIVES: The objective of this study was to evaluate the biomechanical properties of dentin and the microtensile bond strength (μTBS) performed before or after radiotherapy (RT). MATERIAL AND METHODS: Dentin chemical composition (infrared spectroscopy-FTIR), SEM images, and mechanical properties (Vickers microhardness-VHN and elastic modulus-E) were evaluated comparing no irradiated and irradiate dentin (n = 5). RT was defined by application of 72 Gy (1.8 Gy daily, 5 days per week, during 8 weeks) with sample immersed in distilled water...
August 4, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28761983/effect-of-mechanical-loading-on-the-metabolic-activity-of-cells-in-the-temporomandibular-joint-a-systematic-review
#5
REVIEW
Beatriz F Betti, Vincent Everts, Johannes C F Ket, Hessam Tabeian, Astrid D Bakker, Geerling E Langenbach, Frank Lobbezoo
OBJECTIVES: The purpose of this systematic review was to elucidate how different modalities and intensities of mechanical loading affect the metabolic activity of cells within the fibro-cartilage of the temporomandibular joint (TMJ). MATERIALS AND METHODS: A systematic review was conducted according to PRISMA guidelines using PubMed, Embase, and Web of Science databases. The articles were selected following a priori formulated inclusion criteria (viz., in vivo and in vitro studies, mechanical loading experiments on TMJ, and the response of the TMJ)...
August 1, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28761982/occlusal-chewing-and-tasting-characteristics-associated-with-orofacial-dysfunctions-in-children-with-unilateral-cleft-lip-and-palate-a-case-control-study
#6
Ana Bheatriz Marangoni Montes, Thais Marchini de Oliveira, Maria Beatriz Duarte Gavião, Taís de Souza Barbosa
OBJECTIVE: The objective of this study is to assess the associations between orofacial dysfunctions with malocclusion, masticatory performance, and taste in children with and without unilateral cleft lip and palate (UCLP). MATERIAL AND METHODS: A patient-based, matched, case-control study was conducted involving 108 8- to 10-year-old children divided in UCLP and control groups. Orofacial dysfunctions were evaluated using the Nordic Orofacial Test-Screening (NOT-S)...
July 31, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28748298/comparison-of-sodium-hypochlorite-extrusion-by-five-irrigation-systems-using-an-artificial-root-socket-model-and-a-quantitative-chemical-method
#7
Adham A Azim, Hacer Aksel, M Margaret Jefferson, George T-J Huang
OBJECTIVES: This is to compare the volumes of irrigant apically extruded by five irrigation systems in an artificial socket model simulating clinical conditions. MATERIALS AND METHODS: Twenty extracted human single-rooted teeth were enlarged to size 40/04 and then embedded in silicone impression material. The root canal space was irrigated with nominal 3% sodium hypochlorite (NaOCl) using standard needle irrigation (SNI) with a 30-gauge notched needle, EndoActivator (EA), XP Endo Finisher (XP Endo), EndoVac (EV), and photon-induced photoacoustic streaming (PIPS)...
July 26, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28741173/more-on-molar-incisor-hypomineralisation-mih-and-linear-enamel-hypoplasia-leh-in-archaeological-human-remains
#8
LETTER
Emanuela Gualdi-Russo, Nicoletta Zedda, Valentina Esposito, Sabrina Masotti
No abstract text is available yet for this article.
July 24, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28741172/glass-ionomer-cement-inhibits-secondary-caries-in-an-in-vitro-biofilm-model
#9
Norbert Krämer, Miriam Schmidt, Susanne Lücker, Eugen Domann, Roland Frankenberger
OBJECTIVES: The objective of this study was to investigate the effect of different glass ionomer cements on secondary caries inhibition in a fully automated in vitro biofilm model. MATERIALS AND METHODS: One hundred and twenty-four extracted third molars received class V cavities and were filled with one conventional (Ketac Molar/KM), and two resin-modified glass ionomer cements (Photac Fil/PF, Ketac N100/KN, 3M Espe). A bonded resin composite (Single Bond Plus/Filtek Supreme XTE) served as control...
July 24, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28735466/comparative-metabolic-analysis-in-head-and-neck-cancer-and-the-normal-gingiva
#10
Nadine Fabienne Voelxen, Sebastian Blatt, Pascal Knopf, Maurice Henkel, Christina Appelhans, Leonardo A R Righesso, Andreas Pabst, Jutta Goldschmitt, Stefan Walenta, Andreas Neff, Wolfgang Mueller-Klieser, Thomas Ziebart
OBJECTIVES: Chronic accumulation of lactate in malignant tumor tissue is associated with increased malignancy and radioresistance. For this study, biopsies of primary head and neck squamous cell carcinoma (HNSCC) and of the normal gingiva of the same patient were compared via metabolic profiling to the healthy gingiva from cancer-free patients. MATERIALS AND METHODS: Cryobiopsies of 140 HNSCC patients were used to determine ATP, lactate, and glucose concentrations of the tumor and normal gingiva via induced metabolic bioluminescence imaging (imBI)...
July 22, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28735465/approximal-morphology-as-predictor-of-approximal-caries-in-primary-molar-teeth
#11
A Cortes, S Martignon, V Qvist, Kim Rud Ekstrand
OBJECTIVE: To evaluate the predictive power of the morphology of the distal surface on 1st and mesial surface on 2nd primary molar teeth on caries development in young children. SAMPLE AND METHODS: Out of 101 3-to 4-year-old children from an on-going study, 62 children, for whom parents' informed consent was given, participated. Upper and lower molar teeth of one randomly selected side received a 2-day temporarily separation. Bitewing radiographs and silicone impressions of interproximal area (IPA) were obtained...
July 22, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28730456/photofunctionalization-and-non-thermal-plasma-activation-of-titanium-surfaces
#12
Anders Henningsen, Ralf Smeets, Philip Hartjen, Oliver Heinrich, Roman Heuberger, Max Heiland, Clarissa Precht, Claudio Cacaci
OBJECTIVE: The aim of this study was to compare UV light and non-thermal plasma (NTP) treatment regarding the improvement of physical material characteristics and cell reaction on titanium surfaces in vitro after short-term functionalization. MATERIALS AND METHODS: Moderately rough (Ra 1.8-2.0 μm) sandblasted and acid-etched titanium disks were treated by UV light (0.05 mW/cm(2) at λ = 360 nm and 2 mW/cm(2) at λ = 250 nm) or by NTP (24 W, -0.5 mbar) of argon or oxygen for 12 min each...
July 20, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28730455/does-professional-experience-save-teeth-a-survey-among-prosthodontists
#13
Shaza Bishti, Julia Lautensack, Jens C Türp, Stefan Wolfart
OBJECTIVES: The aim of this study is to investigate the effect of clinical experience and educational background on clinical decision-making of dentists presented with two prosthodontic cases. METHODS: A questionnaire-based survey was performed among 66 prosthodontists who were divided into two groups. The first group included clinicians from Belgium, Germany, and the Netherlands covering a wide spectrum of dental experience. The second (specialized) group consisted of German dentists performing their last module of a 3-year postgraduate master program in prosthodontics...
July 20, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28726036/proteolytic-effects-of-gingipains-on-trefoil-factor-family-peptides
#14
Ponlatham Chaiyarit, Janthima Jaresitthikunchai, Narumon Phaonakrop, Sittiruk Roytrakul, Barbara Potempa, Jan Potempa
OBJECTIVES: The present study was aimed to determine whether trefoil factor family (TFF) peptides which were generally considered to be resistant to proteolysis could be digested by gingipains, a major proteinases produced by Porphyromonas gingivalis. MATERIALS AND METHODS: Recombinant human TFF1, TFF2, and TFF3 peptides were used as substrates. Gingipains including arginine gingipain (RgpB) and lysine gingipain (Kgp) were used as enzymes. Trypsin was used as a control protease...
July 19, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28721528/soft-tissue-profile-changes-after-functional-mandibular-advancer-or-herbst-appliance-treatment-in-class-ii-patients
#15
Jan Hourfar, Jörg Alexander Lisson, Ulrich Gross, Linda Frye, Gero Stefan Michael Kinzinger
OBJECTIVE: The objective of the present study is to compare the effects on soft tissue profile in class II patients after treatment with either "Functional Mandibular Advancer" (FMA) or Herbst appliance. MATERIALS AND METHODS: The study included n = 42 patients treated with either FMA (n = 21) or Herbst appliance (n = 21) by the same experienced orthodontist. The treatment followed a single-step advancement protocol. Lateral cephalograms were analyzed through a set of customized measurements...
July 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28721527/fesem-evaluation-of-smear-layer-removal-using-different-irrigant-activation-methods-endoactivator-endovac-pui-and-lai-an-in-vitro-study
#16
Manuele Mancini, Loredana Cerroni, Lorenzo Iorio, Lorenzo Dall'Asta, Luigi Cianconi
OBJECTIVES: This study was to compare the efficacy of EndoActivator, EndoVac, PUI, and LAI methods in removing the smear layer from root canals. MATERIALS AND METHODS: Eighty single-rooted mandibular premolars were decoronated to a standardized length of 15 mm. Specimens were shaped to ProTaper F4 (Dentsply Maillefer) and irrigated with 5.25% NaOCl at 37 °C. Teeth were divided into six groups (two control groups [n = 10] and four test groups [n = 15]) according to the final irrigation activation/delivering technique (sonic irrigation [EndoActivator], passive ultrasonic irrigation [PUI], negative apical pressure [EndoVac], and laser activated irrigation [LAI])...
July 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28714041/was-molar-incisor-hypomineralisation-mih-present-in-archeological-case-series
#17
LETTER
Jan Kühnisch
No abstract text is available yet for this article.
July 16, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28710653/mechanical-performance-of-cement-and-screw-retained-all-ceramic-single-crowns-on-dental-implants
#18
Matthias Obermeier, Oliver Ristow, Kurt Erdelt, Florian Beuer
OBJECTIVES: This in-vitro study was performed to compare the contact wear, fracture strength and failure mode of implant-supported all-ceramic single crowns manufactured with various fabrication and fixation concepts. MATERIALS AND METHODS: Fifty dental implants (Conelog Ø 4,3mm/L11mm, Camlog Biotechnologies AG) were embedded and treated with all-ceramic molar single-crowns. Three groups received hand-layered zirconia crowns (IPS e.max Ceram/ IPS e.max ZirCAD, Ivoclar Vivadent AG): CZL (cement-retained zirconia-based layered) group crowns were cemented conventionally, SZL (screw-retained zirconia-based layered) group crowns were screw-retained, MZL (modified zirconia-based layered) group crowns showed a different coping design with screw retention...
July 15, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28710652/comparison-between-inflammation-related-markers-in-peri-implant-crevicular-fluid-and-clinical-parameters-during-osseointegration-in-edentulous-jaws
#19
Amália M Bielemann, Raissa M Marcello-Machado, Fábio Renato Manzolli Leite, Frederico Canato Martinho, Otacílio Luiz Chagas-Júnior, Altair Antoninha Del Bel Cury, Fernanda Faot
OBJECTIVES: The aim of this study is to improve the understanding of interleukin mechanisms during osseointegration to enhance the monitoring of implant failure and success. Clinical parameters, implant stability, and cytokine levels in peri-implant crevicular fluid (PICF) during early bone healing after implant placement were investigated. MATERIAL AND METHODS: Sixty narrow implants were placed in mandible anterior region of 30 edentulous patients (67.23 ± 7...
July 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28707226/the-role-of-macrophage-polarization-on-fibroblast-behavior-an-in-vitro-investigation-on-titanium-surfaces
#20
Xuzhu Wang, Yulan Wang, Dieter D Bosshardt, Richard J Miron, Yufeng Zhang
OBJECTIVES: This study investigated the effect of smooth and rough titanium surface topographies on macrophage polarization and their influence on gingival fibroblast behavior cultured on titanium surfaces. MATERIALS AND METHODS: RAW 264.7 macrophages were seeded on smooth (pickled titanium (PT)) and rough Sand-blasted with Large grit particles followed by Acid-etching (SLA) titanium surfaces and first investigated for macrophage polarization towards tissue-inflammatory M1 macrophages or wound-healing M2 macrophages...
July 14, 2017: Clinical Oral Investigations
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