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Clinical Oral Investigations

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https://www.readbyqxmd.com/read/29046964/differences-in-maxillomandibular-morphology-among-patients-with-mucopolysaccharidoses-i-ii-iii-iv-and-vi-a-retrospective-mri-study
#1
Till Koehne, Anja Köhn, Reinhard E Friedrich, Uwe Kordes, Thorsten Schinke, Nicole Muschol, Bärbel Kahl-Nieke
OBJECTIVE: The aims of this study were to analyze the maxillomandibular morphology of patients with mucopolysaccharidosis (MPS) type I, II, III, IVa and VI and to evaluate the craniofacial effect of hematopoietic stem cell transplantation (HCST) in MPS I. MATERIALS AND METHODS: One hundred head magnetic resonance images were retrospectively analyzed from 41 MPS and 27 control individuals. The width, height and length of the maxilla and mandible were plotted against age and the means of controls, MPS I, MPS II and MPS III were statistically compared...
October 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29046963/cone-beam-computed-tomography-and-ultrasonography-imaging-of-benign-intraosseous-jaw-lesion-a-prospective-radiopathological-study
#2
Ibrahim Sevki Bayrakdar, Ahmet Berhan Yilmaz, Fatma Caglayan, Umit Ertas, Cemal Gundogdu, Ismail Gumussoy
OBJECTIVE: We assessed whether ultrasonography (US) can be used in combination with cone beam computed tomography (CBCT) to image intraosseous jaw lesions. MATERIAL AND METHODS: Using CBCT and US, we evaluated 123 lytic intraosseous jaw lesions diagnosed in 121 patients with guidance from the CBCT findings. The lesions were classified into two groups based on histopathological evaluation: (1) cysts and (2) tumors and tumor-like lesions. US and histopathological findings on the lesions of the two groups and their relationships with each other were also assessed...
October 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29043507/extraction-of-mandibular-premolars-and-molars-comparison-between-local-infiltration-via-pressure-syringe-and-inferior-alveolar-nerve-block-anesthesia
#3
Daniel G E Thiem, Florian Schnaith, Caroline M E Van Aken, Anne Köntges, Vinay V Kumar, Bilal Al-Nawas, Peer W Kämmerer
OBJECTIVES: The purpose of this study was to evaluate the anesthetic efficiency of local infiltration anesthesia administered with a pressure syringe (P-INF) via a special technique versus direct block anesthesia of the inferior alveolar nerve (IANB) for tooth extraction in the posterior mandible. MATERIALS AND METHODS: In a prospective randomized study, 101 teeth in 101 patients were extracted in the posterior mandible under local anesthesia whereby two different administration techniques were used (P-INF n = 48; IANB n = 53)...
October 17, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29038963/lymph-node-density-as-a-prognostic-predictor-in-patients-with-betel-nut-related-oral-squamous-cell-carcinoma
#4
Wei-Chin Chang, Chun-Shu Lin, Cheng-Yu Yang, Chih-Kung Lin, Yuan-Wu Chen
OBJECTIVES: Lymph node metastasis in oral squamous cell carcinoma (OSCC) is a poor prognostic factor. The histopathologic stage (e.g., pN) is used to evaluate the severity of lymph node metastasis; however, the current staging system insufficiently predicts survival and recurrence. We investigated clinical outcomes and lymph node density (LND) in betel nut-chewing individuals. MATERIAL AND METHODS: We retrospectively analyzed 389 betel nut-exposed patients with primary OSCC who underwent surgical resection in 2002-2015...
October 17, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29038962/a-comparative-study-between-traditional-fixation-with-miniplates-and-modified-lag-screws-for-the-treatment-of-mandibular-fractures
#5
Ana Rocío García Carricondo, Francisco Javier Quesada Bravo, Fernando Espín Gálvez, Tesifón Parrón Carreño, Raquel Alarcón Rodriguez
OBJECTIVES: The objective of this study is to investigate two internal fixation surgical techniques for mandibular fractures in order to compare modified lag screw techniques with standard miniplates. MATERIALS AND METHODS: This is an observational prospective study. Three hundred eighteen patients were operated on for mandibular fractures. The patients were divided into two groups according to the type of surgical technique used: modified lag screws (155 patients) and traditional miniplates (163 patients)...
October 16, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29038961/association-of-indirect-restorations-with-past-caries-history-and-present-need-for-restorative-treatment-in-the-northern-finland-birth-cohort-1966
#6
Anne Laajala, Pasi Karhatsu, Paula Pesonen, Marja-Liisa Laitala, Ritva Näpänkangas, Aune Raustia, Vuokko Anttonen
OBJECTIVES: The objective of this study is to examine the prevalence of indirect restorations and their association with past caries history and present need for restorative treatment among adults in Northern Finland. MATERIALS AND METHODS: The study population was a subsample of the Northern Finland Birth Cohort 1966 (n = 1961). The oral examinations were performed in 2012-2013. Indirect restorations (inlays/onlays and single crowns) were recorded tooth wise...
October 16, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29034445/dental-prevention-and-disease-awareness-in-children-with-congenital-heart-disease
#7
Steffen Koerdt, Julia Hartz, Stefan Hollatz, Gesche Frohwitter, Marco R Kesting, Peter Ewert, Renate Oberhoffer, Herbert Deppe
OBJECTIVES: The importance of excellent oral health is known to be crucial in children with congenital heart diseases (CHD). Data about dental health and disease awareness is limited. This study aims to assess preventive measures taken to improve dental health in children with CHD and to gain insight into disease awareness and knowledge about the importance of oral health in children with CHD and to propose measures that could be taken. MATERIAL AND METHODS: Parents of 150 children with CHD were asked to complete a questionnaire containing specific questions about the preventive measures taken by the parents and dental and medical practitioners and their knowledge about underlying disease and the importance of oral health...
October 16, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29034444/mage-a11-expression-contributes-to-cisplatin-resistance-in-head-and-neck-cancer
#8
Stefan Hartmann, Leonie Zwick, Mario J J Scheurer, Andreas R Fuchs, Roman C Brands, Axel Seher, Hartmut Böhm, Alexander C Kübler, Urs D A Müller-Richter
OBJECTIVE: The objective of this study is to investigate the roles of melanoma-associated antigens (MAGEs) in the cisplatin treatment of head and neck cancer. MATERIALS AND METHODS: We assessed the efficacy of cisplatin in a set of four head and neck cancer cell lines using a crystal violet assay. The MAGE-A expression in all cell lines was measured with RT-qPCR. The correlation between MAGE-A expression and cisplatin efficacy was investigated using Spearman's correlation analysis...
October 15, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29034443/prospective-clinical-study-comparing-intraligamentary-anesthesia-and-inferior-alveolar-nerve-block-for-extraction-of-posterior-mandibular-teeth
#9
P W Kämmerer, A Adubae, I Buttchereit, D G E Thiem, M Daubländer, B Frerich
OBJECTIVES: The aim of the study was to compare the efficacy of intraligamentary anesthesia (ILA) with conventional inferior alveolar nerve block (IANB) for extraction of mandibular posterior teeth. MATERIALS AND METHODS: In a prospective clinical trial, a total of 301 mandibular posterior teeth were extracted in 266 patients. Randomization was conducted into those who received ILA (patients n = 98; teeth n = 105) and those who received IANB (patient n = 140; teeth n = 140)...
October 15, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29034442/correlation-between-tissue-expression-of-microrna-137-and-cd8-in-oral-lichen-planus
#10
Sana Maher Hasan Aghbari, Abdelrahman Ibrahim Abushouk, Olfat Gamil Shakir, Shaimaa Omar Zayed, Attia Attia
OBJECTIVES: Oral lichen planus (OLP) is a chronic, inflammatory condition, classified by the World Health Organization as a premalignant lesion. We performed this study to evaluate the correlation between microRNA-137 (miR-137) and CD8 oral tissue expression in OLP patients. MATERIALS AND METHODS: Twenty OLP patients [classified into three groups: (a) papular, reticular, or plaque; (b) atrophic; and (c) erosive] and 20 healthy controls were subjected to biopsy of the oral mucosa...
October 15, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29032403/mate-tea-ilex-paraguariensis-improves-bone-formation-in-the-alveolar-socket-healing-after-tooth-extraction-in-rats
#11
Matheus da Silva Brasilino, Camila Tami Stringhetta-Garcia, Camila Scacco Pereira, Ariana Aparecida Ferreira Pereira, Karina Stringhetta, Andréia Machado Leopoldino, Marcelo Macedo Crivelini, Edilson Ervolino, Rita Cássia Menegati Dornelles, Ana Cláudia de Melo Stevanato Nakamune, Antonio Hernandes Chaves-Neto
OBJECTIVES: The objective of this study was to investigate the effects of mate tea (MT) [Ilex paraguariensis] on alveolar socket healing after tooth extraction. MATERIALS AND METHODS: Sixteen male rats were divided into MT and control groups. MT was administered by intragastric gavage at a dose of 20 mg/kg/day for 28 days before and 28 days after right maxillary incisor extraction. The control group received an equal volume of water. Histopathological and histometric analysis of the neoformed bone area and osteocyte density were performed, as well as immunohistochemical analysis of osteocalcin (OCN), receptor activator of nuclear factor kappa-B ligand (RANKL), osteoprotegerin (OPG), tartrate-resistant acid phosphatase (TRAP), and manganese superoxide dismutase (MnSOD) in the alveolar socket...
October 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29032402/interaction-between-chlorhexidine-and-fluoride-in-a-mouthrinse-solution-a-4-day-and-6-week-randomized-clinical-pilot-study
#12
Oscar Villa, Per Ramberg, Hidekazu Fukui, Claes-Göran Emilson, Georgios Papanikolaou, Lars Heijl, Dowen Birkhed
OBJECTIVE: The aim of the present investigation was to study if there is a reduced clinical effect and fluoride retention of a mouthrinse solution containing both chlorhexidine (CHX) and sodium fluoride (NaF). MATERIAL AND METHODS: Two clinical trials were designed as double-blind, randomized, cross-over studies. In study I, 16 healthy subjects were asked to rinse twice daily for 1 min during 4 days of no tooth brushing with four solutions: (1) 0.12% CHX + 0...
October 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29030714/cyclic-fatigue-resistance-of-xp-endo-shaper-compared-with-different-nickel-titanium-alloy-instruments
#13
Amr Elnaghy, Shaymaa Elsaka
OBJECTIVE: The aims of this study were to assess and compare the resistance to cyclic fatigue of XP-endo Shaper (XPS; FKG Dentaire, La Chaux-de-Fonds, Switzerland) instruments with TRUShape (TRS; Dentsply Tulsa Dental Specialties, Tulsa, OK, USA), HyFlex CM (HCM; Coltene, Cuyahoga Falls, OH, USA), Vortex Blue (VB; Dentsply Tulsa Dental Specialties), and iRace (iR; FKG Dentaire) nickel-titanium rotary instruments at body temperature. MATERIALS AND METHODS: Size 30, 0...
October 13, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29022215/effectiveness-of-a-new-dental-implant-bioactive-surface-histological-and-histomorphometric-comparative-study-in-minipigs
#14
Mariano Herrero-Climent, Manuel M Romero Ruizª, Pedro Lázaro Calvo, José Vicente Ríos Santos, Roman A Perez, Francisco Javier Gil Mur
OBJECTIVES: The objective of this study was to assess, by histomorphometric analysis, the degree of bone apposition on two types of dental implant's surfaces: a novel implant that combines Al2O3 abrasive particle blasting with thermochemical treatment (ContacTi), compared to a standard surface treatment obtained by sandblasting and acid etching (shot blasting). MATERIALS AND METHODS: Twelve minipigs were used, placing the studied implants in the maxillae, and divided into three groups according to the time of sacrifice: 2, 4, and 8 weeks after implant placement...
October 12, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29022175/dental-anxiety-and-oral-health-related-quality-of-life-in-aggressive-periodontitis-patients
#15
Liran Levin, Avraham Zini, Jonathan Levine, Maor Weiss, Ron A Lev, Avihai Hai, Daniella Chebath-Taub, Galit Almoznino
OBJECTIVES: To measure dental anxiety levels and oral health-related qualities of life (OHRQoL) in patients with aggressive periodontitis (AgP) compared to controls and analyze their association with various demographic and clinical parameters. METHODS: Sixty consecutive patients with AgP were compared to 80 age- and sex-matched controls with no known history of periodontal disease. Collected data included demographics, smoking habits, numerical rating scale (NRS), Corah's Dental Anxiety Scale (DAS) and Oral Health Impact Profile-14 (OHIP-14), DMFT index (Decayed, Missing and Filled Teeth), Plaque Index (PI), probing depth (PD), bleeding on probing (BOP), and radiographic bone loss...
October 11, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29022137/effect-of-different-endodontic-sealers-and-time-of-cementation-on-push-out-bond-strength-of-fiber-posts
#16
Danielle Araújo Vilas-Boas, Renata Grazziotin-Soares, Diego Machado Ardenghi, José Bauer, Patrícia Oliveira de Souza, George Táccio de Miranda Candeiro, Etevaldo Matos Maia-Filho, Ceci Nunes Carvalho
OBJECTIVES: This study aims to evaluate the effect of different endodontic sealers (epoxy resin, eugenol, and bioceramic/calcium silicate-based) and the time of cementation (immediately or 7 days after canal obturation) on the bond strength of a fiberglass post cemented with RelyX™ ARC. MATERIAL AND METHODS: Eighty-four premolars were instrumented and divided into groups (n = 12) according to the sealer and the time of post cementation: Endofill (EN), Endosequence BC Sealer (BC), and AH Plus (AH) had immediately fiber post cementation; EN7, BC7, and AH7 had post cementation after 7 days; and control group (C) had fiber post cementation without endodontic sealer...
October 11, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29022128/endodontic-infections-increase-leukocyte-and-lymphocyte-levels-in-the-blood
#17
Renata Oliveira Samuel, João Eduardo Gomes-Filho, Mariane Maffei Azuma, Dóris Hissako Sumida, Sandra Helena Penha de Oliveira, Fernando Yamamoto Chiba, Suely Regina Mogami Bomfim, Paulo César Ciarlini, Luis Gustavo Narciso, Luciano Tavares Angelo Cintra
OBJECTIVES: The aim of this study was to determine whether the presence of single or multiple apical periodontitis (AP) alters blood cell counts and cytokine production. MATERIAL AND METHODS: Thirty rats were divided into three groups: a control group comprising rats without AP, a group called 1AP comprising rats with AP in one tooth, and a group called 4AP comprising rats with AP in four teeth. Endodontic infection was induced by pulp exposure of the first right maxillary molar in the 1AP group or by exposing the first and second right maxillary and mandibular molars in the 4AP group...
October 11, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29019080/influence-of-the-internal-anatomy-on-the-leakage-of-root-canals-filled-with-thermoplastic-technique
#18
Anas Al-Jadaa, T Attin, T Peltomäki, C Heumann, P R Schmidlin, F Paquè
OBJECTIVES: The aim of this paper is to evaluate the influence of the internal anatomy on the leakage of root canals filled with the thermoplastic technique. MATERIALS AND METHODS: The upper central incisors (UCI) and mesial roots of the lower molars (MRLM) (n = 12 each) were tested regarding leakage using the gas-enhanced permeation test (GEPT) after root filling. The quality of the root fillings was assessed using micro-computed tomography (μCT) by superimposing scans before and after treatment to calculate unfilled volume...
October 11, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28993918/a-new-albumin-depletion-strategy-improves-proteomic-research-of-gingival-crevicular-fluid-from-periodontitis-patients
#19
Sarah Batschkus, Goekhan Cingoez, Henning Urlaub, Nicolai Miosge, Christian Kirschneck, Philipp Meyer-Marcotty, Christof Lenz
OBJECTIVES: Gingival crevicular fluid (GCF), the inflammatory infiltrate within the crevicular sulcus, is of great importance for diverse processes in the oral cavity and has a high impact in oral sciences. It is assumed to serve as a source of biomarkers for systemic or periodontal diseases and mediators of orthodontic tooth movement. In order to characterize the protein content of the GCF in an unbiased and complete approach, we employed mass spectrometry (MS), which allows not only the identification, but also the quantification of these proteins...
October 9, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28993900/outcome-of-secondary-root-canal-treatment-filled-with-thermafil-a-5-year-follow-up-of-retrospective-cohort-study
#20
Chiara Pirani, Francesco Iacono, Maria Rosaria Gatto, Raquel Michelle Fitzgibbon, Stefano Chersoni, Hagay Shemesh, Carlo Prati
OBJECTIVES: The aim of the present retrospective cohort study was to assess the 5-year outcome and survival of secondary root canal treatments (2°RCT), exploring the influence of pre-, intra-, and post-operative variables. MATERIALS AND METHODS: One hundred thirty-two endodontically retreated teeth were radiographically and clinically re-examined after 5 years. 2°RCT had been performed during a Masters program following standardized protocols and filled with AH Plus/Thermafil (TF)...
October 9, 2017: Clinical Oral Investigations
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