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https://www.readbyqxmd.com/read/28927393/the-complete-digital-workflow-in-fixed-prosthodontics-a-systematic-review
#1
Tim Joda, Fernando Zarone, Marco Ferrari
BACKGROUND: The continuous development in dental processing ensures new opportunities in the field of fixed prosthodontics in a complete virtual environment without any physical model situations. The aim was to compare fully digitalized workflows to conventional and/or mixed analog-digital workflows for the treatment with tooth-borne or implant-supported fixed reconstructions. METHODS: A PICO strategy was executed using an electronic (MEDLINE, EMBASE, Google Scholar) plus manual search up to 2016-09-16 focusing on RCTs investigating complete digital workflows in fixed prosthodontics with regard to economics or esthetics or patient-centered outcomes with or without follow-up or survival/success rate analysis as well as complication assessment of at least 1 year under function...
September 19, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28926103/fam20c-regulates-osteoblast-behaviors-and-intracellular-signaling-pathways-in-a-cell-autonomous-manner
#2
Chao Liu, Hua Zhang, Priyam Jani, Xiaofang Wang, Yongbo Lu, Nan Li, Jing Xiao, Chunlin Qin
Recent studies indicate that Family with sequence similarity 20 member C (FAM20C) catalyzes the phosphorylation of secreted proteins, and participates in a variety of biological processes, including cell proliferation, migration, mineralization and phosphate homeostasis. To explore the local influences of FAM20C on osteoblast, Fam20c-deficient osteoblasts were generated by treating the immortalized Fam20c(f/f) osteoblasts with CMV-Cre-IRES-EGFP lentivirus. Compared with the normal Fam20c(f/f) osteoblasts, the expression of Bone sialoprotein (Bsp), Osteocalcin (Ocn), Fibroblast growth factor 23 (Fgf23) and transcription factors that promote osteoblast maturation were up-regulated in the Fam20c-deficient osteoblasts...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28925109/red-fluorescence-imaging-for-dental-plaque-detection-and-quantification-pilot-study
#3
Zhao Liu, Juliana Gomez, Soniya Khan, Debbie Peru, Roger Ellwood
The red fluorescence of dental plaque originating from porphyrins in oral bacteria may allow visualization, detection, and scoring of plaque without disclosing agents. Two studies were conducted. The first included 24 healthy participants who abstained from oral hygiene for 24 h. Dental plaque was collected from tooth surfaces, and a 10% solution was prepared. These were scanned by a molecular spectrometer to identify the optimum excitation and emission wavelengths of plaque for developing a red fluorescence imaging system...
September 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28924317/comparative-evaluation-of-anchorage-reinforcement-between-orthodontic-implants-and-conventional-anchorage-in-orthodontic-management-of-bimaxillary-dentoalveolar-protrusion
#4
S S Chopra, Manish Mukherjee, Rajat Mitra, Gagan Deep Kochar, Abhijeet Kadu
BACKGROUND: Increased upper lip procumbency is commonly associated with maxillary dentoalveolar protrusion with the major goal of reducing maxillary dentoalveolar protrusion. The treatment plan usually includes extraction of the maxillary first premolars, followed by retraction of anterior teeth with maximum anchorage. Dental implants have been widely accepted as successful adjuncts for obtaining maximum anchorage in orthodontic treatment. METHODS: 50 subjects between the ages of 13 and 17 years having bimaxillary dentoalveolar protrusion were included in the study...
April 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28921659/ligature-induced-peri-implantitis-and-periodontitis-in-mice
#5
Sarah Hiyari, Ryan Wong, Aline Yaghsezian, Azadi Naghibi, Sotirios Tetradis, Paulo M Camargo, Flavia Q Pirih
AIM: Peri-implantitis (PI), inflammation around dental implants, shares characteristics with periodontitis (PD). However, PI is more difficult to control, treat, and detailed pathophysiology is unclear. We aimed to compare PI and PD progression utilizing a murine model. MATERIALS AND METHODS: Four-week-old male C57BL/6J mice had their left maxillary molars extracted. Implants were placed in healed extraction sockets and osseointegrated. Ligatures were tied around the implant and second molar...
September 16, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28920112/implant-and-endodontic-treatment-selection-are-influenced-by-patients-demographic-characteristics-insurance-status-and-medical-history-a-retrospective-cohort-study
#6
Georgios S Chatzopoulos, Larry F Wolff
OBJECTIVE: The aim of this study was to examine any potential association between demographic characteristics, socioeconomic status, dental insurance, and medical and tobacco history between patients that received endodontic treatment or extraction and implant treatment in a university dental clinic. METHOD AND MATERIALS: Dental charts of patients who received root canal treatment and implant therapy were retrieved from the University of Minnesota School of Dentistry records...
2017: Quintessence International
https://www.readbyqxmd.com/read/28917762/full-validation-of-a-method-for-the-determination-of-drugs-of-abuse-in-non-mineralized-dental-biofilm-using-liquid-chromatography-tandem-mass-spectrometry-and-application-to-postmortem-samples
#7
Kerstin Henkel, Markus J Altenburger, Volker Auwärter, Merja A Neukamm
Alternative matrices play a major role in postmortem forensic toxicology, especially if common matrices (like body fluids or hair) are not available. Incorporation of illicit and medicinal drugs into non-mineralized dental biofilm (plaque) seems likely but has not been investigated so far. Analysis of plaque could therefore extend the spectrum of potentially used matrices in postmortem toxicology. For this reason, a rapid, simple and sensitive method for the extraction, determination and quantification of ten drugs of abuse from plaque using liquid chromatography-tandem mass spectrometry (LC-MS/MS) was developed and fully validated...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28914241/validation-of-different-diagnostic-aids-in-detection-of-occlusal-caries-in-primary-molars-an-in-vitro-study
#8
G Shwetha, Prakash Chandra, Latha Anandakrishna, G Dhananjaya, Ashmitha K Shetty, Punitha S Kamath
AIM AND OBJECTIVE: To estimate the accuracy and assess the sensitivity and specificity of direct visual examination (DVE), computerized radiograph (VISTA SCAN mini), and DIAGNOdent (DD) for caries diagnosis in primary molars as compared to histological examination of the teeth. MATERIALS AND METHODS: An in vitro comparative study was carried out on 40 freshly extracted primary molars with questionable pit and fissures that yielded 89 examination sites. These samples were mounted on plaster and were subjected to examination methods for caries detection on the occlusal surface by two trained and calibrated examiners...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28912943/assessment-of-low-level-laser-therapy-effects-after-extraction-of-impacted-lower-third-molar-surgery
#9
Shahrokh Raiesian, Mehdi Khani, Kazem Khiabani, Ershad Hemmati, Mohammad Pouretezad
Introduction: The aim of this study was to assess the effect of low-level laser therapy (LLLT) on pain, swelling and maximum mouth opening in patients undergoing third molar surgery. Methods: A prospective, randomized double-blind study was undertaken on 44 patients at the Dental School, Ahvaz Jundishapur University of Medical Sciences, in 2015. A low-level laser was randomly applied on one of the two sides after surgery of 15 patients. The experimental side received 18 J/cm(2) of energy density, wavelength of 980 nm, and output power of 1...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/28905475/evaluation-of-volumetric-dimensional-changes-in-posterior-extraction-sites-with-and-without-arp-using-a-novel-imaging-device
#10
Carolina Sbordone, Paolo Toti, Ranieri Martuscelli, Franco Guidetti, Massimo Porzio, Ludovico Sbordone
BACKGROUND: Alveolar ridge volume loss may be minimized when postextraction sockets are filled by bone substitutes. PURPOSE: The aim of the study was to measure the effect of alveolar ridge preservation (ARP) in maintaining the external contour of the ridge after fresh socket grafting with or without particulate anorganic bovine bone mineral (BBM) and resorbable barrier covering. MATERIALS AND METHODS: In the present controlled study, patients subjected to single-tooth extraction were allocated to 2 groups: postextraction sockets grafted with bovine bone mineral (bbm), and naturally healing sockets (nat)...
September 14, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28904706/-when-the-denture-becomes-dangerous
#11
Nouzha Sadak, Laila Herrak, Leila Achachi, Mustapha El Ftouh
Although rare in adults, foreign body aspiration (FBA) is a serious accident which can be potentially life threatening or lead to significant sequelae. We report the case of a 50 year old patient without previous pathological history, presenting to the emergency department with chest pain, intermittent cough and exertional dyspnea occurring six days after the accidental aspiration of his plastic dental prosthesis during a meal. Clinical examination was unremarkable. Chest X-ray as well as abdominal x-ray requiring no prior preparation showed no abnormalities...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28898431/anti-inflammatory-and-anti-oxidant-properties-of-schisandrin-c-promote-mitochondrial-biogenesis-in-human-dental-pulp-cells
#12
J S Takanche, Y-H Lee, J-S Kim, J-E Kim, S-H Han, S-W Lee, H-K Yi
AIM: To examine the properties of Schisandrin C as an anti-inflammatory and anti-oxidant compound, and whether its characteristics promote mitochondrial biogenesis in human dental pulp cells (HDPCs). METHODOLOGY: HDPCs were extracted from fresh third molars and cultured for experiments. Reactive oxidative stress (ROS) and nitric oxide (NO) formation were analyzed by a Muse cell analyzer. Western blotting and gelatin zymography were used to identify the presence of anti-oxidants, as well as anti-inflammatory and mitochondrial biogenesis with specific antibody...
September 12, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28898112/functional-odontoblastic-like-cells-derived-from-human-ipscs
#13
H Xie, N Dubey, W Shim, C J A Ramachandra, K S Min, T Cao, V Rosa
The induced pluripotent stem cells (iPSCs) have an intrinsic capability for indefinite self-renewal and large-scale expansion and can differentiate into all types of cells. Here, we tested the potential of iPSCs from dental pulp stem cells (DPSCs) to differentiate into functional odontoblasts. DPSCs were reprogrammed into iPSCs via electroporation of reprogramming factors OCT-4, SOX2, KLF4, LIN28, and L-MYC. The iPSCs presented overexpression of the reprogramming genes and high protein expressions of alkaline phosphatase, OCT4, and TRA-1-60 in vitro and generated tissues from 3 germ layers in vivo...
September 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28895751/extreme-skeletal-open-bite-correction-with-vertical-elastics
#14
Marco Antonio Cruz-Escalante, Aron Aliaga-Del Castillo, Luciano Soldevilla, Guilherme Janson, Marilia Yatabe, Ricardo Voss Zuazola
Severe skeletal open bites may be ideally treated with a combined surgical-orthodontic approach. Alternatively, compensations may be planned to camouflage the malocclusion with orthodontics alone. This case report describes the treatment of an 18-year-old man who presented with a severe open bite involving the anterior and posterior teeth up to the first molars, increased vertical dimension, bilateral Class III molar relationship, bilateral posterior crossbite, dental midline deviation, and absence of the maxillary right canine and the mandibular left first premolar...
September 12, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28893541/nanomechanical-assessment-of-bone-surrounding-implants-loaded-for-3%C3%A2-years-in-a-canine-experimental-model
#15
Rodolfo B Anchieta, Márcia V M Guimarães, Marcelo Suzuki, Nick Tovar, Estevam A Bonfante, Pablo Atria, Paulo G Coelho
PURPOSE: This work evaluated the nanomechanical properties of bone surrounding submerged and immediately loaded implants after 3 years in vivo. It was hypothesized that the nanomechanical properties of bone would markedly increase in immediately and functionally loaded implants compared with submerged implants. MATERIALS AND METHODS: The second, third, and fourth right premolars and the first molar of 10 adult Doberman dogs were extracted. After 6 months, 4 implants were placed in 1 side of the mandible...
August 17, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28891534/effect-of-irradiation-on-the-shear-bond-strength-of-self-adhesive-luting-cement-in-different-preparation-depths
#16
O Sahin, D Ö Dede, A Köroğlu, Y Özgüven, D Ö Doğan
OBJECTIVE: The purpose of this study was to evaluate the effects of pre- and post-irradiation application on the shear bond strength of self-adhesive luting cements to dentin and enamel. MATERIALS AND METHODS: Thirty-two extracted human maxillary incisor teeth were used in this study. Teeth were divided into two main groups according to preparation depth (0.5 mm and 1 mm) as Group E and Group D and were divided into four subgroups according to treatment protocol (n = 12)...
August 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28891221/comparative-analysis-of-the-biological-effects-of-the-endodontic-bioactive-cements-mta-angelus-mta-repair-hp-and-neomta-plus-on-human-dental-pulp-stem-cells
#17
C J Tomás-Catalá, M Collado-González, D García-Bernal, R E Oñate-Sánchez, L Forner, C Llena, A Lozano, P Castelo-Baz, J M Moraleda, F J Rodríguez-Lozano
AIM: To evaluate the biological effects in vitro of MTA Angelus (MTA-Ang; Angelus, Londrina, PR, Brazil), MTA Repair HP (MTA-HP; Angelus,) and NeoMTA Plus (NeoMTA-P; Avalon Biomed Inc, Bradenton, FL, USA) on human dental pulp stem cells (hDPSCs). METHODOLOGY: Cell viability and cell migration assays were performed using eluates of each material. To evaluate cell morphology and cell attachment to the different materials, hDPSCs were directly seeded onto the material surfaces and analyzed by immunocytofluorescence and scanning electron microscopy, respectively...
September 11, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28890609/association-of-feeding-methods-and-streptococcus-mutans-count-with-early-childhood-caries-a-cross-sectional-study
#18
Deepa Bullappa, Manjunath P Puranik, K R Sowmya, T Nagarathnamma
INTRODUCTION: Early childhood caries (ECC) is a virulent form of dental caries that can destroy the primary dentition of toddlers and preschool children. The aim was to determine the relationship of feeding methods and oral Streptococcus mutans count in 3- to 5-year-old children with ECC. MATERIALS AND METHODS: A cross-sectional study was conducted in children aged 3 to 5 years. Participating mothers were interviewed regarding child's demographic profile, educational level and socioeconomic status of parents, past medical and dental history of the mother and child, child's feeding habits, and dietary habits and oral hygiene practices of mother and child...
April 2017: International Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28890211/antibacterial-photodynamic-therapy-with-curcumin-and-curcuma-xanthorrhiza-extract-against-streptococcus-mutans
#19
Hyung-Jung Lee, Si-Mook Kang, Seung-Hwa Jeong, Ki-Ho Chung, Baek-Il Kim
BACKGROUND: Bacteria are becoming increasingly resistant to conventional antibacterial chemotherapy, which has prompted the application of antibacterial photodynamic therapy (aPDT) in bacteria-related diseases due to its excellent biocide effects. However, few studies have attempted to develop a novel photosensitizer based on natural components. The aim of the present study was to compare the aPDT effects of curcumin and Curcuma xanthorrhiza extract (CXE) against Streptococcus mutans...
September 7, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28888760/an-in-vitro-investigation-of-indigenous-south-african-medicinal-plants-used-to-treat-oral-infections
#20
S Akhalwaya, S van Vuuren, M Patel
ETHNOPHARMACOLOGICAL RELEVANCE: Over a 120 South African medicinal plants are used for the treatment of oral diseases. Despite the vast collection of antimicrobial studies being done on South African plants, there is still limited research on pathogens associated with oral infections. In consultation with the available ethnobotanical literature, this study investigates the antimicrobial efficacy of some South African medicinal plants against oral pathogens. AIM OF THE STUDY: To provide a detailed account of the antimicrobial properties of selected South African medicinal plants used traditionally to treat oral infections...
September 7, 2017: Journal of Ethnopharmacology
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