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https://www.readbyqxmd.com/read/28340422/the-clinicopathologic-relevance-of-reck-gene-polymorphisms-in-ameloblastoma
#1
Xudong Zhang, Jie Wang, Huijuan Liu, Yanning Zhang, Fusheng Dong
OBJECTIVE: To investigate the relationship between RECK gene polymorphisms and the clinicopathologic features of ameloblastoma. DESIGN: Normal gingival mucosa specimens were obtained from 10 healthy volunteers. Ameloblastomas were surgically removed from 30 patients and part of the tumor specimens were used to detect RECK gene polymorphisms by using PCR-single-strand conformation polymorphism (PCR-SSCP) and DNA sequencing analysis. Expression of RECK and MMP-9 protein was measured using western blot...
March 16, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28331369/comparison-of-conventional-and-semilunar-coronally-positioned-flap-techniques-for-root-coverage-in-teeth-with-cervical-abrasion-restored-with-pink-resin
#2
Felipe Rychuv Santos, Carmen Lucia Mueller Storrer, Emanuelle Juliana Cunha, Lucienne M Ulbrich, Camilo Andress Villabona Lopez, Tatiana Miranda Deliberador
Gingival recession is the most common mucogingival defect, characterized by apical migration of the gingival margin from the cementoenamel junction and root exposure. Several surgical techniques are reported for the treatment of gingival recession. Here we present a comparison of the conventional (coronally advanced flap) and semilunar coronally positioned flap techniques for root coverage in teeth with cervical abrasion restored with pink resin that mimics the color of the gingiva. Although the conventional technique is more predictable, we found that both techniques were effective in achieving satisfactory and esthetic root coverage...
2017: Clinical, Cosmetic and Investigational Dentistry
https://www.readbyqxmd.com/read/28327149/release-kinetics-and-mitogenic-capacity-of-collagen-barrier-membranes-supplemented-with-secretome-of-activated-platelets-the-in-vitro-response-of-fibroblasts-of-the-periodontal-ligament-and-the-gingiva
#3
Eva-Maria Mozgan, Michael Edelmayer, Klara Janjić, Manuela Pensch, Michael B Fischer, Andreas Moritz, Hermann Agis
BACKGROUND: Platelet preparations can stimulate the healing process and have mitogenic properties. We hypothesized that collagen barrier membranes (CBM), clinically used in guided bone regeneration and guided tissue regeneration, can serve as carriers for platelet secretome. METHODS: Secretome was generated from washed platelets and unwashed platelets (washed/unwashed PSEC) and lyophilized onto CBM. Overall appearance of CBM was evaluated by scanning electron microscopy...
March 21, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28326928/cxcr4-signaling-in-macrophages-contributes-to-periodontal-mechanical-hypersensitivity-in-porphyromonas-gingivalis-induced-periodontitis-in-mice
#4
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/28319621/resolution-of-psoriatic-lesions-on-the-gingiva-and-hard-palate-following-administration-of-adalimumab-for-cutaneous-psoriasis
#5
John K Brooks, Justin W Kleinman, Charlotte E Modly, John R Basile
We report the case of a 51-year-old man who presented with an atypical inflammatory response of the gingiva and hard palate that was concomitant with widespread cutaneous psoriasis. The patient had discontinued taking adalimumab 6 months prior to presentation, having achieved satisfactory management of his cutaneous lesions; however, he resumed 2 days prior to presentation due to recurrent disease. A gingival biopsy was consistent with oral psoriasis. At a 2-month follow-up, dramatic resolution of oral involvement was evident and the cutaneous psoriatic plaques were greatly reduced in size...
February 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28303066/cervical-chyloma-after-neck-dissection-a-case-report
#6
Masashi Kimura, Hiroyuki Ohto, Akio Shibata, Hiroki Yamada, Shusuke Nishiwaki, Masahiro Umemura
Cervical chylomas are rare pseudocystic collections that lack an epithelial lining and arise from the thoracic duct or its tributaries; although they typically develop after neck surgery or trauma, they can arise from unknown causes. Treatment options include not only conservative therapy, such as dietary modification, repeated aspirations, and sclerotherapy, but also include surgical excision. We describe a case of a chyloma in a 64-year-old Japanese woman with squamous cell carcinoma of the gingiva. The chyloma developed following left segmental mandibulectomy with radical neck dissection and reconstruction, using a titanium plate and a pectoralis major myocutaneous flap...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28302237/extra-osseous-odontogenic-myxoma-of-maxillary-gingiva
#7
Manas Bajpai, Nilesh Pardhe
Odontogenic myxomas are rare odontogenic tumors of jaw characterised by accumulation of mucoid ground substance with little collagen. Peripheral odontogenic myxoma (POM) is extra-osseous variant of odontogenic myxomas, occurring solely in the soft tissue covering the tooth bearing portion of jaws. POM is exceedingly rare, less than 10 cases have been published till date. A case of POM is reported here in a 27-year female which was provisionally diagnosed as pyogenic granuloma.
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28299276/unusually-large-sized-peripheral-ossifying-fibroma
#8
Reena Rachel John, Saravanan Kandasamy, Narendran Achuthan
Fibrous growths in the gingiva with the histopathological presence of calcifications are a common occurrence in the oral cavity. These lesions can be neoplastic in nature with either odontogenic or non odontogenic origin or they can be reactive lesions. This is a case report of an unusual presentation of peripheral ossifying fibroma , unusual because of its abnormally large size with review of literature.
July 2016: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28298827/sub-epithelial-connective-tissue-graft-for-root-coverage-in-nonsmokers-and-smokers-a-pilot-comparative-clinical-study
#9
Chini Doraswamy Dwarakanath, Bheemavarapu Divya, Gottumukkala Naga Venkata Satya Sruthima, Gautami Subadra Penmetsa
BACKGROUND: Gingival recession is a common condition and is more prevalent in smokers. It is widely believed that root coverage procedures in smokers result in less desirable outcome compared to nonsmokers', and there are few controlled studies in literature to support this finding. Therefore, the purpose of this study was to evaluate and compare the outcome of root coverage with sub-epithelial connective tissue graft (SCTG) in nonsmokers and smokers. MATERIALS AND METHODS: A sample of twenty subjects, 10 nonsmokers and 10 smokers were selected each with at least 1 Miller's Class I or II recession on a single rooted tooth...
July 2016: Journal of Indian Society of Periodontology
https://www.readbyqxmd.com/read/28292376/cartilaginous-choristoma-of-gingiva
#10
Manas Bajpai, Nilesh Pardhe
No abstract text is available yet for this article.
January 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28286291/human-%C3%AE-defensin-2-and-interleukin-1%C3%AE-expression-in-response-to-porphyromonas-gingivalis-challenge-in-mice-transplanted-with-periodontitic-human-gingiva
#11
Tomoko Shimizu, Masahiro To, Yohei Kamata, Juri Saruta, Takenori Sato, Shinya Fuchida, Nobushiro Hamada, Keiichi Tsukinoki
Inter-individual variability in the host response contributes significantly to expression of periodontal disease. Thus, research into the human host response is considered important in the analysis of periodontal disease. Human β-defensin-2 (hBD-2) is typically produced by epithelial tissues after stimulation with microorganisms and inflammatory mediators, and it contributes to the initial defense in the innate immune response. However, hBD-2 expression in response to infection has not been investigated in human gingival tissue with periodontitis...
March 9, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28282991/nerve-sheath-myxoma-of-the-oral-cavity-a-distinct-entity
#12
Anirudha Bartake, Sangeeta J Palaskar, Bindiya Narang, Pargatsingh Kathuriya
Nerve sheath myxomas (NSM) are uncommon benign tumours of nerve sheath origin. These tumours are most often located in the dermis and subcutaneous tissue of the head and neck region, but less frequently can also involve extracutaneous sites but they are rarely seen in the oral cavity. Many authors consider nerve sheath myxoma and neurothekeoma to be variants of the same tumour, though currently it has been demonstrated that both the lesions are distinct entities with different origins and unique morphological features...
March 10, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28275793/-periodontal-status-of-labially-inversely-impacted-maxillary-central-incisor-in-mixed-dentition-after-orthodontic-treatment
#13
Hui-Xi Jiang, Zhen-Sheng Cao, Hao Sun, Han Hu, Yu Fang, Rong-Dang Hu
PURPOSE: To study the periodontal status of labially inversely impacted maxillary central incisor in mixed dentition after orthodontic treatment. METHODS: Sixteen patients with labially inversely impacted maxillary central incisor in mixed dentition and treated by guided rod appliance and conventional fixed appliance were enrolled in this study. Periodontal examinations were performed and cone-beam CT (CBCT) was taken approximately 2 years post treatment. Central incisors were divided into impacted and contralateral incisor groups...
December 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28274836/a-novel-gingival-overgrowth-mouse-model-induced-by-the-combination-of-csa-and-ligature-induced-inflammation
#14
Ai Okanobu, Shinji Matsuda, Mikihito Kajiya, Tsuyoshi Fujita, Mizuho Kittaka, Hideki Shiba, Hidemi Kurihara
Drug-induced gingival overgrowth (DIGO) is a side effect of the enlargement of gingival tissue by phenytoin, nifedipine, and cyclosporine A (CsA). Gingival inflammation has been identified as a key factor that initiates DIGO. However, a sufficient animal model for clarifying the role of inflammation in DIGO has not yet been generated. We herein describe a novel CsA-induced gingival overgrowth mouse model to evaluate the role of inflammation. A ligature was placed around the second molar in maxillae for 7days to induce gingival inflammation, and CsA (50mg/kg/day) was administered to mice during each experimental period...
March 6, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28274074/oral-carcinoma-cuniculatum-a-new-entity-in-the-clinicopathological-spectrum-of-oral-squamous-cell-carcinoma
#15
Uma Vasant Datar, Alka Kale, Deepa Mane
Carcinoma cuniculatum is principally recognized as a variant of carcinoma involving foot. The World Health Organization (WHO) recognizes Oral Carcinoma Cuniculatum (OCC) as a distinct and rare clinicopathological variant of Oral Squamous Cell Carcinoma (OSCC). OCC is confused clinically and histologically with Verrucous Carcinoma (VC) and is often misdiagnosed as either VC or OSCC. To best of our knowledge, till date, only 50 cases of this tumour have been reported in oral cavity (including the present case) and only limited number of cases have been reported from Indian subcontinent...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28274068/sectional-impressions-and-every-other-tooth-technique-in-fpd
#16
Swathi Sudhapalli
Gingival displacement procedure is an important component of fixed prosthodontics. It helps in delivery of the impression material subgingivally to record the finish line as well as the tooth contour apical to it, so as to produce restorations with closely adapted margins in harmony with the tooth anatomy and gingiva. While displacing gingiva with retraction cords, the health of the tissues must be maintained. In case of multiple anterior tooth preparations with close root proximity, placing the retraction cord simultaneously around all teeth will result in strangulation of interdental papillae...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28274044/increased-advanced-oxidation-protein-products-generation-by-cyclosporine-a-and-angiotensin-ii-in-human-gingival-fibroblasts-ex-vivo-study
#17
Suresh Ranga Rao, Rajasekaran Subbarayan, Supraja Ajitkumar, Dinesh Murugan Girija
INTRODUCTION: Cyclosporin-A (CsA), an immunosuppressant, induces renal fibrosis and Renin Angiotensin System (RAS) is known to play a major role. CsA has the potential to increase the oxidative stress; specifically through the Advanced Oxidation Protein Products (AOPP) which could possibly stimulate fibrosis. A similar type of pathology occurs even in the gingiva known as CsA Induced Gingival Overgrowth (CIGO). AIM: This study was undertaken to estimate the AOPP generation by Human Gingival Fibroblasts (HGF) under the influence of CsA and Angiotensin II (Ang II)...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28269987/a-simultaneously-antimicrobial-protein-repellent-and-cell-compatible-polyzwitterion-network
#18
Monika Kurowska, Alice Eickenscheidt, Diana Lorena Guevara-Solarte, Vania T Widyaya, Franziska Marx, Ali Al-Ahmad, Karen Lienkamp
A simultaneously antimicrobial, protein-repellent and cell-compatible surface-attached polymer network is reported, which reduced the growth of bacterial biofilms on surfaces through its multi-functionality. The coating was made from a poly(oxonorbornene)-based carboxybetaine (PZI), which was surface-attached and cross-linked in one step by simultaneous UV-activated CH insertion and thiol-ene reaction. The process was applicable to both laboratory surfaces like silicon, glass and gold, and real life surfaces like polyurethane foam wound dressings...
March 7, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28267826/a-cross-sectional-study-of-the-influence-of-tooth-color-elements-on-satisfaction-with-smile-esthetics
#19
Daniela Kovacevic Pavicic, Stjepan Spalj, Ivone Uhac, Vlatka Lajnert
PURPOSE: This study investigated the influence of tooth color on patients' satisfaction with the esthetics of their smiles. MATERIALS AND METHODS: A shade guide was used to determine the color of the maxillary anterior teeth in 671 participants. Self-reported satisfaction was assessed through five criteria: tooth appearance, color, shape, and position and appearance of the gingiva. The Psychosocial Impact of Dental Aesthetics Questionnaire and an Oral Impact on Daily Performances questionnaire were also used...
March 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/28257218/modified-double-papillae-flap-technique-with-subepithelial-connective-tissue-graft-for-root-coverage-in-the-esthetic-zone-case-report
#20
Gustavo Javier Salazar Littuma, Leonardo Bez, Camilo Andres Villabona Lopez, Cesar Augusto Magalhães Benfatti, Ricardo de Souza Magini
Gingival recession can compromise the esthetic appearance, leading to functional problems, hypersensitivity, and root caries. Several techniques have been implicated for root coverage, which includes pedicle grafts, free gingival grafts, connective tissue grafts, and guided-tissue regeneration. The double-papillae flap associated with subepithelial connective tissue is a predictable technique to cover isolated areas with insufficient attached gingiva apical to a recession. This case report demonstrates a surgical alternative to the technique using a sling periosteal suture to stabilize the connective tissue and pedicle flap during the initial phase of healing, increasing the potential of this periodontal procedure for gingival recession coverage...
March 2017: Compendium of Continuing Education in Dentistry
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