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https://www.readbyqxmd.com/read/28333899/-stem-progenitor-cells-in-diseases-of-the-respiratory-tract
#1
EDITORIAL
Tadeusz Płusa
Stem cells (SCs - stem cells) are characterized by plasticity and the ability to differentiate into other cell types. They are obtained from bone marrow, peripheral blood and cord blood. Mesenchymal stem cells (MSCs) shows a broad immunomodulating, increases the number of regulatory T cells (Treg), modifies the activity of T cells, dendritic cells and NK (natural killer). Direct impact on reducing the release of proinflammatory cytokines and increased release of proinflammatory cytokines. Within the respiratory tract has a number of resident stem and progenitor cells referred to as L-MSCs (lung mesenchymal stem cells) whose presence was confirmed by markers as defined in the trachea, epithelial cells and alveolar...
March 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28330488/cigarette-smoke-challenges-bone-marrow-mesenchymal-stem-cell-capacities-in-guinea-pig
#2
Olga Tura-Ceide, Borja Lobo, Tanja Paul, Raquel Puig-Pey, Núria Coll-Bonfill, Jéssica García-Lucio, Valérie Smolders, Isabel Blanco, Joan A Barberà, Víctor I Peinado
BACKGROUND: Cigarette smoke (CS) is associated with lower numbers of circulating stem cells and might severely affect their mobilization, trafficking and homing. Our study was designed to demonstrate in an animal model of CS exposure whether CS affects the homing and functional capabilities of bone marrow-derived mesenchymal stem cells (BM-MSCs). METHODS: Guinea pigs (GP), exposed or sham-exposed to CS, were administered via tracheal instillation or by vascular administration with 2...
March 23, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28328610/removable-partial-denture-after-gunshot-injury-five-year-follow-up
#3
Eduardo Piza Pellizzer, Marcelo Coelho Goiato, Daniel Augusto de Faria Almeida, Rosse Mary Falcon-Antenucci, Cleidiel Aparecido Araujo Lemos, Victor Eduardo de Souza Batista, Fellippo Ramos Verri
The aim of this study was to report a patient of rehabilitation with removable partial denture retained by implants in-patient who suffered injury after firearm shooting. A 19-year-old man presented to the hospital of the Val Paraíso city after being hit by a bullet in the right on the face, affecting the teeth 12 to 16. The surgery to remove the shards of teeth, and bullet was performed. Surgical team opted for installation of implants without bone grafts; however, due to extensive loss of alveolar bone, only 3 tilted implants (2 Ø3...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28328608/tomographic-evaluation-of-prevalence-position-and-diameter-of-the-intraosseous-branch-of-the-posterior-superior-alveolar-artery-in-fully-edentulous-individuals
#4
Guilherme José Pimentel Lopes de Oliveira, Marciel Antônio Abdala, Hugo Nary-Filho, Celso Eduardo Sakakura, Valdir Gouveia Garcia, Felipe Coletti Leite
The objective of this study was to evaluate the presence, position, and diameter of the intraosseous branch (IObr) of the posterior superior alveolar artery in fully edentulous patients. Two-hundred five computed tomography scans of fully edentulous patients were analyzed. The presence of the IObr was investigated in the coronal plane at the lateral wall of the maxillary sinus. In patients in whom the IObr was detected, the artery diameter was measured, and the distance from the artery to the bone crest of the alveolar ridge, the maxillary sinus floor, and the distance of the maxillary sinus floor to the bone crest of the alveolar ridge were measured as well...
March 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28327698/accuracy-and-reliability-of-different-cone-beam-computed-tomography-cbct-devices-for-structural-analysis-of-alveolar-bone-in-comparison-with-multislice-ct-and-micro-ct
#5
Jeroen Van Dessel, Laura Ferreira Pinheiro Nicolielo, Yan Huang, Walter Coudyzer, Benjamin Salmon, Ivo Lambrichts, Reinhilde Jacobs
OBJECTIVE: The aim of this study was to assess whether cone beam computed tomography (CBCT) may be used for clinically reliable alveolar bone quality assessment in comparison to its clinical alternatives, multislice computed tomography and the gold standard (micro-CT). MATERIALS AND METHODS: Six dentate mandibular bone samples were scanned with seven CBCT devices (ProMax 3D Max, NewTom GiANO, Cranex 3D, 3D Accuitomo 170, Carestream 9300, Scanora 3D, I-CAT Next generation), one micro-CT scanner (SkyScan 1174) and one MSCT machine (Somatom Definition Flash) using two protocols (standard and high-resolution)...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28327066/guided-tissue-regeneration-in-four-teeth-using-a-liquid-polymer-membrane
#6
Jennifer B Alterman, John F Huff
Periodontal disease is one of the most common diseases diagnosed in dogs and cats. Guided tissue regeneration (GTR) is a treatment alternative to extraction of strategically important teeth. The barrier membrane used in the GTR procedure is of key importance. The purpose of this case series was to evaluate a liquid polymer gel as a membrane for GTR. The polymer gel ( N-methyl-2-pyrrolidone and poly [DL-lactide]) combined with 8.5% doxycycline hyclate was used in place of a traditional membrane in 4 teeth. The teeth were re-examined 6 months postoperatively for radiographic evaluation...
September 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28326928/cxcr4-signaling-in-macrophages-contributes-to-periodontal-mechanical-hypersensitivity-in-porphyromonas-gingivalis-induced-periodontitis-in-mice
#7
Hidekazu Nagashima, Masamichi Shinoda, Kuniya Honda, Noriaki Kamio, Masahiro Watanabe, Tatsuro Suzuki, Naoyuki Sugano, Shuichi Sato, Koichi Iwata
Background Periodontitis is an inflammatory disease accompanied by alveolar bone loss and progressive inflammation without pain. However, the potential contributors eliminating pain associated with gingival inflammation are unknown. Results we examined the involvement of CXC chemokine receptor type 4 (CXCR4) on the mechanical sensitivity of inflamed periodontal tissue, using a mouse model of periodontitis established by the ligation of the tooth cervix of a maxillary second molar and inoculation with Porphyromonas gingivalis (P...
January 2017: Molecular Pain
https://www.readbyqxmd.com/read/28326892/clinical-and-histomorphometric-assessment-of-lateral-alveolar-ridge-augmentation-using-a-corticocancellous-freeze-dried-allograft-bone-block
#8
Roya Shariatmadar Ahmadi, Ferena Sayar, Vahid Rakhshan, Babak Iranpour, Jahanfar Jahanbani, Ahmad Toumaj, Nasrin Akhoondi
Horizontal ridge augmentation with allografts has attracted notable attention because of its proper success rate and the lack of disadvantages of autografts. Corticocancellous block allografts have not been adequately studied on humans. Therefore, this study evaluated clinically and histomorphometrically the increase in ridge with after horizontal ridge augmentation using corticocancellous block allografts, and the implant success after 12 to 18 months post-implantation. In 10 implant patients (3 women, 7 men, 45 years old on average), defective maxillary alveolar ridges were horizontally augmented using freeze-dried bone allograft blocks...
March 22, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28326723/-current-dental-implant-design-and-its-clinical-importance
#9
Lin Ye
The development of clinical implant dentistry was intensively affected by dental implant design improvement and innovation, which brought about new concept, even milestone-like changes of clinical protocol. The current improvements of dental implant design and their clinical importance could be highlighted as followings: 1) The implant apical design influences the implant preliminary stability in immediate implant. The apical 3-5 mm design of implant makes implant stable in immediate implant, because this part would be screwed into alveolar bone through fresh socket, the other part of implant could not be tightly screwed in the socket because of smaller implant diameter...
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28326722/-application-of-team-approach-and-key-techniques-of-cleft-lip-and-palate
#10
Shi Bing, Fu Yuchuan, Yin Ningbei, Huang Hong-Zhang, Liu Jianhua, Chen Renji, Zhu Hongping, Liu Qiang, Huang Yongqing, Ren Zhanping, Lu Yong, Xiao Wenlin, Song Qinggao, Li Wanshan, Li Sheng, Wang Hongtao, Zhang Junrui, Jiang Liping, Ma Li, Wang Ling, He Dengqi
The development of an expert consensus based on specific domestic situations will provide practical guidance to the efforts aiming at improving cleft care in China. The team approach of twenty-one cleft centers were pooled together, covering pre-surgical orthopedics, primary surgical repair, orthodontic treatment, alveolar bone graft, secondary deformity correction, palatal fistulae repair, the diagnosis and treatment of velopharyngeal incompetence, speech therapy, otitis media management, and skeletal deformity correction...
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28326701/-morphological-features-and-analysis-of-the-nerve-fibers-in-the-periodontal-ligament-of-dogs
#11
Zeng Xiaohua, Cai Qiaoling, Gong Ping
OBJECTIVE: To identify the properties of nerve fibers of dogs by immunohistochemical staining method. METHODS: Intact bone blocks above the inferior alveolar nerve canal were cut from the medial of the second premolar to the distal of the third premolar of healthy adult Beagle dogs of 18 months, embedded to make hard tissue sections, stained with S100 and neurofilament protein (NFP) antibodies, and finally observed the nerve distribution under the microscope. RESULTS: The distribution of S100 positive tissue in the periodontal ligament of dogs showed the following patterns: bundles of densely gathered rings with different diameters, filaments accompanied by lumens, free endings and deep-dyeing oval lamellasome...
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28321457/influence-of-piezotomy-and-osteoperforation-of-the-alveolar-process-on-the-rate-of-orthodontic-tooth-movement-a-systematic-review
#12
Stefan Hoffmann, Nikolaos Papadopoulos, Dominik Visel, Theresa Visel, Paul-Georg Jost-Brinkmann, Thomas Michael Präger
OBJECTIVE: The minimally invasive procedures piezosurgical corticocision and osteoperforation have been advocated as methods to accelerate orthodontic tooth movement and to shorten treatment time, but without large-scale trauma of the periosteum and the bone. The aim of this study was to evaluate if there is evidence supporting these claims based on a systematic review of the literature. MATERIALS AND METHODS: A search of PubMed and Google Scholar with the combined search terms "piezo*" and "tooth movement" was performed until May 2016...
March 20, 2017: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/28318163/-the-influence-of-angulation-of-maxillary-anterior-teeth-on-treatment-design-of-dental-implants
#13
Liu Jin, Pu Bishuang, Xia Yulan, Wang Chengze, Wang Gang, Lan Jing
OBJECTIVE: This study aims to analyze the angulation of the maxillary anterior teeth relative to the alveolus to provide reference data for clinicians on the best conditions for implant placement in the esthetic zone. METHODS: Numerous cone beam computed tomography (CBCT) images were reviewed and screened. A total of 150 maxillary images were selected by strict adherence to the defined inclusive criteria, with 75 images each from male and female patients (between the ages of 19 and 48 years at the time of CBCT scan)...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28318153/-dental-alveolar-bone-and-dental-arch-remodeling-in-children-orthodontic-diagnosis-and-treatments-based-on-individual-child-arch-development
#14
Li Xiaobing
The etiology of malocclusions basically involves both congenital and environmental factors. Malocclusion is the result of the abnormal development of the orofacial complex (including tooth, dental alveolar bone, upper and lower jaws). Early orthodontic interceptive treatments involve the elimination of all congenital and environmental factors that contribute to the malformation of the orofacial complex, as well as interrupt the deviated development of the orofacial complex and the occlusion. Early orthodontic interceptive treatments mainly aim to use children's growth potential to correct abnormal developments of occlusions and orthodontically treat malocclusions more efficiently...
December 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317829/-modern-approaches-to-dental-implants-placement-in-deficient-alveolar-bone
#15
A A Kulakov, R Sh Gvetadze, T V Brailovskaya, A A Khar'kova, L S Dzikovitskaya
The paper presents statistical data on implant placement procedures in Central Research Institute of Dentistry and Maxillofacial Surgery (Moscow, Russia) in 2010-2015. In 64% of cases inadequate bone volume was attributed to alveolar bone atrophy. Bone deficiency was equally often in upper and lower jaws (in 49.3 and 50.7%, correspondently) but varied in forms with complex configurations to be more specific for maxilla. The study also includes a series of clinical cases illustrating implant placement procedures in anatomically unfavorable settings...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28317364/-expression-and-effect-of-s100a9-in-the-periodontium-of-diabetic-rats
#16
Sun Wenhua, Chen Guoqing, Tian Weidong
OBJECTIVE: The study seeks to investigate the expression of S100A9 and its potential role in periodontal diseases induced by diabetes. METHODS: A diabetic SD rat model was established through intraperitoneal injection of streptozotocin (STZ). Hematoxylin-eosin (HE) staining was performed to study the structure of the periodontium of diabetic rats. Using immunohistochemical staining, the distribution of S100A9 expression was detected in the periodontium of diabetic rats...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317363/-periodontal-inflammation-affects-the-mechanical-and-immune-barrier-functions-of-mice-gut
#17
Xie Meilian, Yu Ting, Zhuo Ying, Huang Xin, Xie Baoyi, Xuan Dongying, Zhang Jincai
OBJECTIVE: To explore the effects of periodontal inflammation on the functions of gut barrier (ecological barrier, mechanical barrier, and immune barrier) in mice. METHODS: Twenty male C57BL/6J mice were randomly divided into perio-dontitis (P) or control (C) groups. The P group was subjected under a 10-day ligation with Porphyromonas gingivalis to induce periodontitis, whereas the C group was ligated with sham. Maxillae were obtained to assess alveolar bone loss...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317353/-clinical-application-on-restoration-of-dentition-defects-using-tooth-alveolar-bone-grafts
#18
Chen Zhifang, Zhang Wei
OBJECTIVE: To evaluate the clinical effectiveness of tooth-alveolar bone grafts in repairing dentition defects. METHODS: Forty-five patients with dentition defect were divided into two groups according to different operation methods. In group A (n=24), the tooth-alveolar bone grafts of the transplanted tooth and its surrounding alveolar bone were cut using modified surgical orthodontics and then embedded into the designated planting hole. In group B (n=21), the teeth were extracted through conventional tooth transplantation and then embedded into the prepared planting holes...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28317348/-expression-and-significance-of-wingless-type-mmtv-integration-site-family-member-5a-receptor-tyrosine-kinase-like-orphan-receptor-2-in-the-rat-dental-follicle
#19
Wang Liping, Li Boqi, Wang Qi, Tie Xiaomin, Liu Yishan
OBJECTIVE: To observe the expression of wingless-type MMTV integration site family, member 5A (Wnt5A)/receptor tyrosine kinase-like orphan receptor 2 (Ror2) signal in the dental follicle cells during the normal eruption of the teeth as well as to explore the relationship between the expression of dental follicle cells and the formation of mature osteoclasts and eruption of the teeth. METHODS: The mandibulars of 1-13 d old SD rats were separated to observe the growth and develop-ment of the teeth and alveolar bone through hematoxylin-eosin(HE) staining...
August 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28316945/a-retrospective-analysis-of-radiographic-jaw-findings-in-young-women-prevalence-and-predictors
#20
Sara M El Khateeb, Osama Abu-Hammad, Hani Fadel, Najla Dar-Odeh
AIMS AND OBJECTIVES: To determine the prevalence and types of jaw pathologic findings as detected in panoramic radiographs of a sample of young women attending a teaching hospital in Al Madinah Al Munawarah, Saudi Arabia, and to determine the most important factors that predict the occurrence of jaw pathologic findings. MATERIALS AND METHODS: The electronic clinical files of a representative sample of female patients who attended the outpatient dental clinics were retrieved...
January 2017: Journal of International Society of Preventive & Community Dentistry
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