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Clinical Oral Investigations

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https://www.readbyqxmd.com/read/28647864/bonding-of-composite-resins-to-peek-the-influence-of-adhesive-systems-and-air-abrasion-parameters
#1
Bogna Stawarczyk, Simon Taufall, Malgorzata Roos, Patrick R Schmidlin, Nina Lümkemann
OBJECTIVE: The objective of the study was to investigate the tensile bond strength (TBS) to polyaryletheretherketone (PEEK) after different pretreatment and conditioning methods. METHODS: Four hundred PEEK specimens were fabricated and allocated to the following air-abrasion methods (n 1 = 80/pretreatment): (i) 50 μm Al2O3 (0.05 MPa); (ii) 50 μm Al2O3 (0.35 MPa); (iii) 110 μm Al2O3 (0.05 MPa); (iv) 110 μm Al2O3 (0.35 MPa); and (v) Rocatec 110 μm (0...
June 24, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28647863/evaluation-of-cortical-mandibular-bone-in-patients-with-oral-squamous-cell-carcinoma
#2
Gustavo Davi Rabelo, Claudia Coutinho-Camillo, Luiz Paulo Kowalski, Nathalie Portero-Muzy, Jean-Paul Roux, Pascale Chavassieux, Fabio Abreu Alves
OBJECTIVES: The aim of the study was to evaluate the mandible cortical bone changes in patients with oral squamous cell carcinoma (OSCC). PATIENTS AND METHODS: Twenty patients who underwent some mandibular bone removal as part of the treatment of OSCC had bone samples collected in two parts: in the proximity of the tumor (BPT) and in the surgical margin (BEP). Cortical microarchitecture was analyzed trough micro-computed tomography, together with texture analysis, followed by microcrack evaluation in histological sections and gene expression of RANK, RANKL, OPG, and sclerostin by quantitative polymerase chain reaction...
June 24, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28643130/retreatability-of-three-calcium-silicate-containing-sealers-and-one-epoxy-resin-based-root-canal-sealer-with-four-different-root-canal-instruments
#3
David Donnermeyer, Clarissa Bunne, Edgar Schäfer, Till Dammaschke
OBJECTIVES: The objective of the study was to compare the retreatability of three calcium silicate-containing sealers (BioRoot RCS, MTA Fillapex, Endo C.P.M.) and an epoxy resin-based sealer (AH Plus) with different root canal instruments (Hedström files, Reciproc R40, Mtwo retreatment file R 25/.05 + Mtwo 40/.06, and F6 SkyTaper) concerning sealer remnants and retreatment time. MATERIALS AND METHODS: Root canals of 192 teeth were instrumented with Reciproc R40...
June 22, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28634635/erratum-to-long-term-success-of-dental-implant-supported-dentures-in-postirradiated-patients-treated-for-neoplasms-of-the-maxillofacial-skeleton-a-retrospective-study
#4
Yiqun Wu, Wei Huang, Zhiyong Zhang, Zhiyuan Zhang, Duohong Zou
No abstract text is available yet for this article.
June 21, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28631087/molar-incisor-hypomineralization-proportion-and-severity-in-primary-public-school-children-in-graz-austria
#5
Barbara Buchgraber, Lumnije Kqiku, Kurt A Ebeleseder
OBJECTIVE: The aim of this study was to determine the proportion and severity of molar incisor hypomineralization (MIH) in primary school children in Graz (southeast of Austria). MATERIALS AND METHODS: In 1111 children aged 6 to 12 years (mean age 9.0 ± 1.2), a wet examination of all teeth was performed by three trained examiners using a dental chair, optimal illumination, a dental mirror, and a dental explorer. All teeth with MIH lesions were registered so that different definitions of MIH were applicable...
June 19, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28624914/the-effects-of-a-desiccant-agent-in-the-treatment-of-chronic-periodontitis-a-randomized-controlled-clinical-trial
#6
Gaetano Isola, Giovanni Matarese, Ray C Williams, Vincenzo Iorio Siciliano, Angela Alibrandi, Giancarlo Cordasco, Luca Ramaglia
OBJECTIVE: Chemotherapeutic agents have been widely used as adjuncts for the treatment of chronic periodontitis (CP). This study investigated and compared a desiccant agent as an adjunct to scaling and root planing (SRP) versus SRP alone for the treatment of CP. MATERIALS AND METHODS: Thirty-six patients with CP were studied. Using a split-mouth design, the maxillary right and left quadrants were randomly assigned to SRP plus desiccant (Hybenx® EPIEN Medical, Inc...
June 17, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28623465/tooth-brushing-motion-patterns-with-manual-and-powered-toothbrushes-a-randomised-video-observation-study
#7
C Ganss, R Duran, T Winterfeld, N Schlueter
INTRODUCTION: Systematic reviews have shown that powered toothbrushes (PTs) are more effective than manual toothbrushes (MTs), but with only minor effect sizes. Whether PTs are used adequately, however, has not been investigated so far. The aim of the present study was therefore to analyse motion habits with PT in comparison to MT toothbrushes by video observation. MATERIALS AND METHODS: One hundred subjects were enrolled in this observational trial and brushed their teeth in randomised order with a MT and PT while being video-filmed, resulting in 95 analysable sets of recordings...
June 16, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28616750/systematic-review-of-oral-manifestations-related-to-hyperparathyroidism
#8
REVIEW
Benjamin Palla, Egon Burian, Riham Fliefel, Sven Otto
OBJECTIVES: We sought to identify oral symptoms found in hyperparathyroidism and compare their rate of occurrence, as well as potential variations in sequelae between primary, secondary, and tertiary hyperparathyroidism. MATERIALS AND METHODS: Database searches were performed through EMBASE and PubMed, with a continual handsearch for relevant articles. PRISMA guidelines were followed. RESULTS: Two hundred five articles including 245 patients were analyzed with data extraction...
June 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28616749/mir-183-and-mir-21-expression-as-biomarkers-of-progression-and-survival-in-tongue-carcinoma-patients
#9
Gordana Supic, Katarina Zeljic, Aleksandra Divac Rankov, Ruzica Kozomara, Aleksandra Nikolic, Dragica Radojkovic, Zvonko Magic
OBJECTIVES: Micro RNAs (miRNAs) have a major role in human cancerogenesis.The current study investigated the prognostic significance of miR-183 and miR-21 expression in tongue carcinoma patients. MATERIAL AND METHOD: For qPCR of miR-183 and miR-21 expression, total RNA isolated from 60 fresh-frozen tissue of tongue carcinomas was converted into cDNA by TaqMan MicroRNA Reverse Transcription Kit and quantified by TaqMan MicroRNAs Expression Assays. Fold changes in the miRNAs expression, normalized to RNU6B, were determined using 2(-ΔΔCt) method, and dichotomized into high and low according to cut-off values derived from ROC curve analysis...
June 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28608053/apical-extrusion-of-debris-during-the-preparation-of-oval-root-canals-a-comparative-study-between-a-full-sequence-saf-system-and-a-rotary-file-system-supplemented-by-xp-endo-finisher-file
#10
Anda Kfir, Rotem Moza-Levi, Moran Herteanu, Amir Weissman, Ronald Wigler
OBJECTIVES: The purpose of this study was to assess the amount of apically extruded debris during the preparation of oval canals with either a rotary file system supplemented by the XP-endo Finisher file or a full-sequence self-adjusting file (SAF) system. MATERIALS AND METHODS: Sixty mandibular incisors were randomly assigned to two groups: group A: stage 1-glide path preparation with Pre-SAF instruments. Stage 2-cleaning and shaping with SAF. Group B: stage 1-glide path preparation with ProGlider file...
June 12, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28608052/craniofacial-and-dental-characteristics-of-patients-with-vitamin-d-dependent-rickets-type-1a-compared-to-controls-and-patients-with-x-linked-hypophosphatemia
#11
Hans Gjørup, Signe Sparre Beck-Nielsen, Dorte Haubek
ᅟOBJECTIVES: Vitamin-D-dependent rickets type 1A (VDDR1A) is a rare inherited disease caused by defective activation of vitamin D. The aim of the study was to describe the craniofacial characteristics and the dental phenotype of patients with genetically confirmed VDDR1A. The VDDR1A findings were compared to findings in patients with X-linked hypophosphatemia (XLH) and healthy controls. MATERIAL AND METHODS: Ten patients with VDDR1A were identified. The reference group for the comparison of cephalometric findings was 49 adults without chronic disease...
June 12, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28608051/clinical-evaluation-of-zirconia-based-all-ceramic-single-crowns-an-up-to-12-year-retrospective-cohort-study
#12
Shoko Miura, Shin Kasahara, Shinobu Yamauchi, Yayoi Okuyama, Akio Izumida, Jun Aida, Hiroshi Egusa
OBJECTIVES: This study aims to investigate the incidence of clinical complications with tooth-supported zirconia-based all-ceramic single crowns and identify pertinent risk parameters. MATERIALS AND METHODS: A retrospective cohort study (May 2004 to April 2016) utilizing clinical records of patients receiving yttrium-oxide-partially stabilized zirconia (Y-TZP)-based all-ceramic crowns placed at Tohoku University Hospital was performed. The length of time of treatment success (complication event-free) and restoration survival (including minor complication events and remaining clinically functional) were estimated using Kaplan-Meier analysis...
June 12, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28601915/volatile-organic-compounds-in-the-breath-of-oral-candidiasis-patients-a-pilot-study
#13
Moritz Hertel, Eyke Schuette, Isabell Kastner, Stefan Hartwig, Andrea Maria Schmidt-Westhausen, Robert Preissner, Sebastian Paris, Saskia Preissner
OBJECTIVES: The aim of the study was to investigate whether specific volatile organic compounds (VOCs) can be detected in oral candidiasis patients using breath analysis in order to develop a point-of-care diagnostic tool. PATIENTS/METHODS: Breath samples of 10 diseased patients and 10 subjects carrying no Candida spp. were analyzed using gas chromatography and mass spectrometry. In infected patients, breath tests were performed before and after antifungal therapy...
June 10, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28589475/cleft-palate-with-without-cleft-lip-in-french-children-radiographic-evaluation-of-prevalence-location-and-coexistence-of-dental-anomalies-inside-and-outside-cleft-region
#14
Francesca Mangione, Laure Nguyen, Nathalie Foumou, Emmanuelle Bocquet, Elisabeth Dursun
INTRODUCTION: Prevalence of dental anomalies in cleft patients is higher than that in general population. The objectives of this study were to assess the prevalence of dental anomalies and their coexistence in French children with cleft and, then, to investigate the relation between the dental anomalies and the cleft type. MATERIAL AND METHODS: Seventy-four non-syndromic cleft patients (6-16 years old) from Lille Regional University and Mondor-Chenevier Hospitals (France) were included...
June 7, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28589474/triglyceride-to-high-density-lipoprotein-cholesterol-ratio-and-its-association-with-periodontal-disease-in-korean-adults-findings-based-on-the-2012-2014-korean-national-health-and-nutrition-examination-survey
#15
Yu-Jin Kwon, Jeong-Won Park, Hyoung-Ji Lim, Yong-Jae Lee, Hye-Sun Lee, Jae-Yong Shim
OBJECTIVES: The aim of this study is to evaluate whether the triglyceride to high-density lipoprotein cholesterol (TG/HDL-C) ratio is associated with periodontal disease in Korean adults. MATERIALS AND METHODS: This cross-sectional study included 12,249 individuals (4,941 men and 7,308 women) who took part in the 2012-2014 Korean National Health and Nutrition Examination Survey. We categorized the TG/HDL-C ratio into three groups. Periodontal disease was defined as a community pocket index score ≥3 with at least one affected site...
June 6, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28589473/the-effect-of-triclosan-on-posttranslational-modification-of-proteins-through-citrullination-and-carbamylation
#16
Richard Bright, C Marchant, P M Bartold
OBJECTIVES: The aim of this study was evaluate the effect of triclosan on citrullination and carbamylation, two important protein posttranslational modifications associated with inflammatory conditions such as periodontitis and rheumatoid arthritis. MATERIALS AND METHODS: A range of triclosan concentrations were incubated in the presence of appropriate substrates used for the generation of either citrullinated or carbamylated proteins. The effect of triclosan on protein citrullination and carbamylation in macrophages was also assessed...
June 6, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28589472/clinical-comparison-of-the-effectiveness-of-7-and-14-day-intracanal-medications-in-root-canal-disinfection-and-inflammatory-cytokines
#17
Frederico C Martinho, Cinthya C Gomes, Gustavo N Nascimento, Ana P M Gomes, Fábio R M Leite
OBJECTIVE: This clinical study compared the effectiveness of 7- and 14-day intracanal medications in the reduction of bacteria/endotoxins from primarily infected root canals and determined their antigenicity against macrophages through the levels of cytokines. METHODS: Seventy-two primarily infected teeth were randomly divided into six groups according to medication and time of application: 7-day groups = G1, Ca(OH)2 + saline solution (SSL); G2, Ca(OH)2 + 2% chlorhexidine (CHX) gel; and G3, 2% CHX gel and 14-day groups = G4, Ca(OH)2 + SSL; G5, Ca(OH)2 + 2% CHX gel; and G6, 2% CHX gel (all groups, n = 12)...
June 6, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28578462/ammp-8-in-correlation-to-caries-and-periodontal-condition-in-adolescents-results-of-the-epidemiologic-life-child-study
#18
Jana Schmidt, Ulrike Guder, Markus Kreuz, Markus Löffler, Wieland Kiess, Christian Hirsch, Dirk Ziebolz, Rainer Haak
OBJECTIVES: The suitability of a chairside aMMP-8 test in determination of periodontal inflammation and caries in adolescents was assessed. Secondly, the influence of orthodontic treatment on aMMP-8 test result was analyzed. MATERIALS AND METHODS: Within the LIFE Child study, 434 adolescents (10 to 18 years) were included. Clinical dental examinations comprised caries experience (DMF/T-Index), signs of periodontal inflammation (probing pocket depth, PPD; community periodontal index of treatment needs; CPITN) at six index teeth and oral hygiene (OH)...
June 4, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28577053/regenerative-properties-of-collagenated-porcine-bone-grafts-in-human-maxilla-demonstrative-study-of-the-kinetics-by-synchrotron-radiation-microtomography-and-light-microscopy
#19
Alessandra Giuliani, Giovanna Iezzi, Serena Mazzoni, Adriano Piattelli, Vittoria Perrotti, Antonio Barone
OBJECTIVES: Recently, it has been reported that heterologous biomaterials, where the collagen matrix is preserved, seem to facilitate blood clotting and the subsequent invasion of repairing and regenerative cells. This study aimed at evaluating the healing of human extraction sockets grafted with a collagenated cortico-cancellous porcine bone (mp3®, OsteoBiol®, Tecnoss®, Giaveno, Italy) by synchrotron radiation X-ray microtomography (microCT) and histology in order to have a 3D quantitative characterization over time...
June 2, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28573521/is-centrally-induced-alveolar-bone-loss-in-a-large-animal-model-preventable-by-peripheral-hormone-substitution
#20
Maciej J K Simon, Frank Timo Beil, Pia Pogoda, Eik Vettorazzi, Iain Clarke, Michael Amling, Ralf Oheim
OBJECTIVES: Alveolar bone structures are mostly investigated in small animal models. The majority of these studies examined local influences on the alveolar bone, but only a few examined systemic influencing factors. The hypothalamic-pituitary axis is known to be essential for a vital bone balance. The aim of this study was to analyse the effects that selective hormone treatments have on alveolar bone structure and quality in a sheep model for alveolar bone loss, induced by hypothalamic-pituitary disconnection (HPD)...
June 2, 2017: Clinical Oral Investigations
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