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Clinical Oral Investigations

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https://www.readbyqxmd.com/read/28229236/asymmetric-bone-remodeling-in-mandibular-and-maxillary-tori
#1
Jean-Daniel Kün-Darbois, Bernard Guillaume, Daniel Chappard
OBJECTIVES: Tori are frequent paucisymptomatic bony outgrowths of the oral cavity in three locations: torus palatinus (TP), mandibularis (TM), and maxillaris (TMax). Their usually described histological characteristics are unspecific: normal cortical bone with more or less trabecular bone. The aim of this study was to describe tori's specific morphological and histomorphometric characteristics. MATERIALS AND METHODS: Histological characteristics in a series of 18 tori collected after surgical removal were analyzed...
February 23, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28214952/novel-potential-scaffold-for-periodontal-tissue-engineering
#2
Raquel Osorio, Camilo Andrés Alfonso-Rodríguez, Estrella Osorio, Antonio L Medina-Castillo, Miguel Alaminos, Manuel Toledano-Osorio, Manuel Toledano
OBJECTIVE: The objective of the study is characterization of novel calcium and zinc-loaded electrospun matrices to be used for periodontal regeneration. MATERIALS AND METHODS: A polymethylmetacrylate-based membrane was calcium or zinc loaded. Matrices were characterized morphologically by atomic force and scanning electron microscopy and mechanically probed by a nanoindenter. Biomimetic calcium phosphate precipitation on polymeric tissues was assessed. Cell viability tests were performed using oral mucosa fibroblasts...
February 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28213765/association-between-signs-and-symptoms-of-bruxism-and-presence-of-tori-a-systematic-review
#3
Eduardo Bertazzo-Silveira, Juliana Stuginski-Barbosa, André Luís Porporatti, Bruce Dick, Carlos Flores-Mir, Daniele Manfredini, Graziela De Luca Canto
OBJECTIVE: This systematic review aims to answer the question: "Is there an association between any specific signs and symptoms of bruxism and the presence of tori?" MATERIAL AND METHODS: Observational studies, which evaluated the association between signs and symptoms of bruxism and tori, were selected. Signs and symptoms of bruxism (such as teeth grinding, jaw clenching, abnormal tooth wear, facial muscle hypertrophy, pain, or fatigue) had to be determined by questionnaire or anamnesis and tori within clinical assessment...
February 17, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28213764/presence-of-root-canal-treatment-has-no-influence-on-periodontal-bone-loss
#4
Fabiola-Regina Rodriguez, Nadine Paganoni, Peter Eickholz, Roland Weiger, Clemens Walter
AIM: The aim of this study was to compare the interproximal bone level at root canal-filled teeth and non-root canal-filled teeth. MATERIALS AND METHODS: The records of patients from the department were consecutively screened from January 2009 to October 2011. The distance between the coronal reference point to the alveolar bone crest (AC) was assessed at the mesial and distal aspects of root canal-filled teeth (RCF+) and their contralateral non-root canal-filled teeth (RCF-) on periapical radiographs...
February 17, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28210811/status-and-perception-of-oral-health-in-6-17-year-old-psychiatric-inpatients-randomized-controlled-trial
#5
I M Schüler, B Bock, R Heinrich-Weltzien, K Bekes, M Rudovsky, Ch Filz, C Ligges
AIM: The following are the aims of the study: assessment of oral health status, oral health-related quality of life (OHRQoL) and the effect of oral health care training over OHRQoL in children and adolescents hospitalized with mental disorders. METHODOLOGY: This randomized case controlled prospective interventional study involved 81 child and adolescent psychiatric inpatients (CAP) aged between 6 and 17 years (mean age 10.6 ± 2.4 years), compared to 81 mentally healthy patients attending routine dental examinations (DC group) matched according to age and sex of the CAP group...
February 16, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28205023/low-serum-culture-with-novel-medium-promotes-maxillary-mandibular-bone-marrow-stromal-cell-proliferation-and-osteogenic-differentiation-ability
#6
Fumio Suehiro, Masakazu Ishii, Izumi Asahina, Hiroshi Murata, Masahiro Nishimura
OBJECTIVES: The purpose of this study was to evaluate the effect of low-serum STK2 medium on the isolation and osteogenic differentiation of human maxillary/mandibular bone marrow stromal cells (MBMSCs). MATERIALS AND METHODS: Human MBMSCs were obtained from patients undergoing dental implant treatment. These cells were cultured in serum-free medium or STK2 medium containing 1  % fetal bovine serum (low-serum) or α-MEM containing 10  % fetal bovine serum (control)...
February 16, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28197731/comparison-of-the-effects-of-recombinant-human-bone-morphogenetic-protein-2-and-9-on-bone-formation-in-rat-calvarial-critical-size-defects
#7
Toshiaki Nakamura, Yoshinori Shirakata, Yukiya Shinohara, Richard J Miron, Kozue Hasegawa-Nakamura, Masako Fujioka-Kobayashi, Kazuyuki Noguchi
OBJECTIVES: Among bone morphogenetic protein (BMP) family members, BMP-2 and BMP-9 have demonstrated potent osteoinductive potential. However, in vivo differences in their potential for bone regeneration remain unclear. The present study aimed to compare the effects of recombinant human (rh) BMP-2 and rhBMP-9 on bone formation in rat calvarial critical-size defects (CSD). MATERIALS AND METHODS: Twenty-eight Wistar rats surgically received two calvarial defects bilaterally in each parietal bone...
February 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28190152/electroplated-telescopic-retainers-with-zirconia-primary-crowns-3-year-results-from-a-randomized-clinical-trial
#8
Franz Sebastian Schwindling, Franziska Lehmann, Sophia Terebesi, Nicoleta Corcodel, Andreas Zenthöfer, Peter Rammelsberg, Thomas Stober
OBJECTIVE: The objective of the study was to investigate the clinical outcome for electroplated telescopic removable dental prostheses (E-RDPs) with zirconia primary crowns. MATERIALS AND METHODS: Sixty E-RDPs, with primary crowns manufactured from either cobalt-chromium alloy or zirconia, were fabricated for 56 participants. Electroplating was used to produce gold copings directly on the telescopic primary crowns. These copings were bonded intra-orally to the prosthesis framework...
February 11, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28190151/oral-health-related-quality-of-life-depending-on-oral-health-in-patients-with-rheumatoid-arthritis
#9
Sophia Mühlberg, Jatina Jäger, Bernhard Krohn-Grimberghe, Susann Patschan, Rainer F Mausberg, Gerhard Schmalz, Rainer Haak, Dirk Ziebolz
BACKGROUND: The aim of this study was to evaluate the oral health-related quality of life (OHRQoL) in patients with rheumatoid arthritis (RA) depending on their oral health in comparison with healthy controls (HCs). METHODS: One hundred three RA patients (55.5 years, female 58) were included. A healthy control group (HC n = 104; 56.7 years, female 68) was matched according to age, gender, and smoking habits. The OHRQoL was determined by Oral Health Impact Profile (OHIP)-G14 questionnaire...
February 11, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28185092/thermal-analysis-and-stability-of-commercially-available-endodontic-obturation-materials
#10
H W Roberts, T C Kirkpatrick, B E Bergeron
OBJECTIVES: The purpose of this study was to evaluate the thermal stability of 23 commercially-available endodontic obturation materials. MATERIALS AND METHODS: Specimens (n = 10) were sealed in aluminum differential scanning calorimetry (DSC) crucibles and subjected to thermal scan series consisting of a 25 to 70 °C at 5 °C/min followed by a rapid increase to 230 °C, followed by a second scan from 25 to 70 °C at 5 °C/min. The first scan evaluated the materials as-received followed by a worse-case-scenario thermal challenge simulating temperatures involved with warm vertical condensation obturation techniques...
February 10, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28185091/canal-cleanliness-using-different-irrigation-activation-systems-a-sem-evaluation
#11
K Urban, D Donnermeyer, Edgar Schäfer, S Bürklein
OBJECTIVES: The purpose of this study was to assess the efficacy of different final irrigation activation methods in removing debris and smear layer in the apical, middle, and coronal portion of straight root canals. MATERIAL AND METHODS: Straight root canals of 58 freshly extracted mandibular premolars were used. Root canals were prepared to size 40.06. Irrigation was performed using 3% sodium hypochlorite. Samples were divided into four equal groups (n = 12) according to the irrigation activation techniques: (A) manual irrigation (MI), (B) EndoActivator (EA) (Dentsply Maillefer, Ballaigues, Switzerland), (C) sonic activation EDDY (EDDY; VDW, Munich, Germany), and (D) passive ultrasonic irrigation (PUI)...
February 9, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28185090/enamel-wear-by-antagonistic-restorative-materials-under-erosive-conditions
#12
Annette Wiegand, Aleksandra Credé, Claudia Tschammler, Thomas Attin, Tobias T Tauböck
OBJECTIVES: This study aimed to analyse loss of enamel worn against composite, leucite glass ceramic or enamel antagonists under non-erosive and alternating or simultanuous erosive-attritive conditions. MATERIALS AND METHODS: Flat human enamel specimens were loaded (1 Hz, 300 g loading weight, each subgroup n = 12) with antagonists made from a hybrid-composite (Z250, 3 M Espe), a nano-composite (Filtek Supreme XTE, 3 M Espe), leucite glass ceramic (IPS Empress CAD LT, Ivoclar Vivadent) or enamel...
February 9, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28181074/bisphenol-a-concentration-in-human-saliva-related-to-dental-polymer-based-fillings
#13
T L L Berge, G B Lygre, B A G Jönsson, C H Lindh, L Björkman
OBJECTIVES: The aims of this study were to quantify salivary concentrations of bisphenol A (BPA) and to assess if presence of dental composite fillings is associated with higher BPA levels in saliva. MATERIALS AND METHODS: Twenty individuals with six or more tooth surfaces filled with polymer-based dental materials (composite group) and 20 individuals without any polymer-based materials (control group) were included in the study. Saliva was collected in polypropylene tubes and stored at -80 °C before analysis...
February 9, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28181073/erratum-to-outcomes-of-implant-therapy-in-patients-with-a-history-of-aggressive-periodontitis-a-systematic-review-and-meta-analysis
#14
Charis Theodoridis, Andreas Grigoriadis, Georgios Menexes, Ioannis Vouros
No abstract text is available yet for this article.
February 9, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28176000/multifactorial-logistic-regression-analysis-of-factors-associated-with-the-incidence-of-erosive-tooth-wear-among-adults-at-different-ages-in-tokyo
#15
Yuichi Kitasako, Y Sasaki, T Takagaki, A Sadr, J Tagami
OBJECTIVES: The aim of this study was to evaluate factors associated with the incidence of erosive tooth wear (ETW) among adults at different ages in Tokyo using multifactorial logistic regression analysis. MATERIALS AND METHODS: The study sample consisted of a total of 1108 subjects aged 15 to 89 years in Tokyo, Japan. Two examiners evaluated ETW in a full-mouth recording. The subjects were asked to complete a self-administered daily diet, habit, and health condition questionnaire...
February 7, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28168381/intravenous-lidocaine-for-effective-pain-relief-after-bimaxillary-surgery
#16
Uilyong Lee, Young-Jun Choi, Geun Joo Choi, Hyun Kang
OBJECTIVES: The aim of this prospective, randomized, double-blind, placebo-controlled study was to evaluate the analgesic effect of intravenous lidocaine on postoperative pain in bimaxillary surgery. MATERIALS AND METHODS: Between July 2015 and November 2015, 52 consecutive patients that underwent bimaxillary surgery were recruited to the present study. The patients were randomly divided into two groups: group L (1.5 mg/kg bolus and 2 mg/kg/h continuous infusion during the operation) and group C (normal saline)...
February 6, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28160108/marginal-and-internal-fit-of-posterior-three-unit-fixed-zirconia-dental-prostheses-fabricated-with-two-different-cad-cam-systems-and-materials
#17
Joana Schönberger, Kurt-Jürgen Erdelt, Daniel Bäumer, Florian Beuer
OBJECTIVES: The purpose of this in vitro study was to compare the precision of fit of frameworks milled from semi-sintered regular zirconia and high-translucent (HT) zirconia blanks, fabricated with two different CAD/CAM systems. MATERIAL AND METHODS: Three-unit, posterior fixed dental prostheses (FDP) frameworks were fabricated for standardized dies (n = 11) with two different laboratory computer-aided design (CAD)/computer-aided manufacturing (CAM) systems (Cercon/Ceramill)...
February 4, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28154996/early-bone-formation-around-immediately-loaded-implants-with-nanostructured-calcium-incorporated-and-machined-surface-a-randomized-controlled-histologic-and-histomorphometric-study-in-the-human-posterior-maxilla
#18
Francesco Guido Mangano, Giovanna Iezzi, Jamil Awad Shibli, Jefferson Trabach Pires, Giuseppe Luongo, Adriano Piattelli, Carlo Mangano
OBJECTIVE: The aim of this randomized, controlled histologic/histomorphometric study was to compare the early bone formation around immediately loaded implants with nanostructured calcium-incorporated (NCI) and machined (MA) surface, placed in the human posterior maxilla. MATERIALS AND METHODS: Fifteen fully edentulous patients (six males; nine females; mean age 57.9 ± 6.7 years) were selected for this study. Each patient was installed with two temporary transmucosal implants, with different surfaces: one NCI (test) and one MA (control) implant...
February 2, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28154995/injectable-platelet-rich-fibrin-i-prf-opportunities-in-regenerative-dentistry
#19
Richard J Miron, Masako Fujioka-Kobayashi, Maria Hernandez, Umadevi Kandalam, Yufeng Zhang, Shahram Ghanaati, Joseph Choukroun
OBJECTIVES: Platelet rich plasma (PRP) has been utilized in regenerative dentistry as a supra-physiological concentrate of autologous growth factors capable of stimulating tissue regeneration. Despite this, concerns have been expressed regarding the use of anti-coagulants, agents known to inhibit wound healing. In this study, a liquid formulation of platelet rich fibrin (PRF) termed injectable-PRF (i-PRF) without the use of anti-coagulants was investigated. MATERIALS AND METHODS: Standard PRP and i-PRF (centrifuged at 700 rpm (60G) for 3 min) were compared for growth factor release up to 10 days (8 donor samples)...
February 2, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28110408/gingival-recessions-of-lower-incisors-after-proclination-by-orthodontics-alone-or-in-combination-with-anterior-mandibular-alveolar-process-distraction-osteogenesis
#20
Gregory S Antonarakis, Christof Urs Joss, Albino Triaca, Anne Marie Kuijpers-Jagtman, Stavros Kiliaridis
OBJECTIVES: The aim of this study was to longitudinally compare periodontal conditions in consecutive patients who had orthodontic treatment with proclination of lower incisors either by orthodontics alone or in combination with anterior mandibular alveolar process distraction osteogenesis (DO). MATERIALS AND METHODS: Nineteen patients had orthodontic treatment with DO, 18 with extraction of lower premolars (Ex), and 18 without extractions (Nonex). Lateral cephalograms were used to evaluate lower incisor proclination, while study casts and intraoral photographs were used to evaluate labial and lingual gingival recessions before (T1) and at an average of 4...
January 21, 2017: Clinical Oral Investigations
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