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Alveolar resorption

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https://www.readbyqxmd.com/read/28231347/histomorphometric-results-after-postextraction-socket-healing-with-different-biomaterials-a-systematic-review-of-the-literature-and-meta-analysis
#1
Stefano Corbella, Silvio Taschieri, Luca Francetti, Roberto Weinstein, Massimo Del Fabbro
PURPOSE: The aim of this systematic review was to investigate which material is the most effective bone substitute for alveolar bone healing by evaluating histomorphometric outcomes after healing of postextraction sockets in humans. MATERIALS AND METHODS: A manual and electronic search (PubMed, EMBASE, Cochrane Library) was performed using a search string prepared ad hoc. Data were statistically analyzed by calculating weighted mean percentage of new bone formation (primary outcome) and weighted mean percentage of residual biomaterial, soft/connective tissue, and nonmineralized tissue (secondary outcomes) in the biopsies...
February 23, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28230596/the-efficacy-of-immediate-implant-placement-in-extraction-sockets-for-alveolar-bone-preservation-a-clinical-evaluation-using-three-dimensional-cone-beam-computerized-tomography-and-resonance-frequency-analysis-value
#2
Ali Al Qabbani, Noor Hayati A Razak, Sausan Al Kawas, Suzina Sheikh Abdul Hamid, Saad Wahbi, A R Samsudin
The aim of this study was to determine the efficacy of immediate implant placement with alveolar bone augmentation on socket preservation following atraumatic tooth extraction and comparing it with a tooth alveolar socket that was allowed to heal in a conventional way.Twenty medically fit patients (8 males and 12 females aged between 18 and 40 years) who needed noncomplicated tooth extraction of mandibular premolar teeth were divided randomly and equally into 2 groups. In Group I, the empty extraction socket was left untreated and allowed to heal in a conventional way...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28226676/quantitative-evaluation-of-alveolar-bone-resorption-on-dental-panoramic-radiographs-by-standardized-dentition-image-transformation-and-probability-estimation
#3
Chisako Muramtsu, Ryo Takahashi, Tatsuro Hayashi, Takeshi Hara, Tatsumasa Fukui, Akitoshi Katsumata, Hiroshi Fujita, Chisako Muramtsu, Ryo Takahashi, Tatsuro Hayashi, Takeshi Hara, Tatsumasa Fukui, Akitoshi Katsumata, Hiroshi Fujita, Akitoshi Katsumata, Ryo Takahashi, Tatsuro Hayashi, Takeshi Hara, Chisako Muramtsu, Tatsumasa Fukui, Hiroshi Fujita
Alveolar bone resorption, which can be observed on dental panoramic radiographs (DPRs), is one of the most important signs of the progression of periodontal disease. However, quantitative and consistent evaluation of alveolar bone resorption is labor intense, because of a large number of DPR examinations performed each year. In our previous study, we developed an automated scheme for detection of three lines, corresponding to an occlusion line, an alveolar line and a root apex line, to measure the alveolar bone ratio (ABR), which may be useful to dentists in early detection of periodontal disease...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28213172/diet-induced-obesity-gut-microbiota-and-bone-including-alveolar-bone-loss
#4
REVIEW
Sathima Eaimworawuthikul, Parameth Thiennimitr, Nipon Chattipakorn, Siriporn C Chattipakorn
Obesity is a major risk factor for several pathologies, including jaw bone resorption. The underlying mechanisms involved in pathological conditions resulting from obesity include chronic systemic inflammation and the development of insulin resistance. Although numerous studies have indicated the importance of the role of gut microbiota in the pathogenesis of inflammation and insulin resistance in obesity, only a few studies have established a relationship between obesity, gut microbiota and status of the jaw bone...
February 7, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28210455/morphea-en-coup-de-sabre-an-unusual-oral-presentation
#5
Sven Niklander, Constanza Marín, René Martínez, Alfredo Esguep
Morphea, or localized scleroderma, is an inflammatory disease that leads to sclerosis of the skin and underlying tissues due to excessive collagen deposition. Oral involvement is unusual and it may produce white linear fibrotic areas with a scar-like appearance, atrophy of tongue papillae, gingival recession and alveolar bone resorption. We report a case of a 13-year-old girl who consulted for progressive recession on the attached gingiva of her upper left incisors. She also presented a hypopigmented line on the left side skin of her upper lip, which continued through the vermilion and the lip mucosa, including the gingiva of the affected teeth...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28206811/types-of-tooth-movement-bodily-or-tipping-do-not-affect-the-displacement-of-the-tooth-s-center-of-resistance-but-do-affect-the-alveolar-bone-resorption
#6
Takanobu Kondo, Hitoshi Hotokezaka, Ryo Hamanaka, Megumi Hashimoto, Takako Nakano-Tajima, Kotaro Arita, Takeshi Kurohama, Airi Ino, Jun-Ya Tominaga, Noriaki Yoshida
OBJECTIVE: To investigate how types of tooth movement, bodily or tipping, influence the displacement of the center of resistance in teeth and alveolar bone resorption. MATERIALS AND METHODS: Ten-week-old female Wistar rats were divided into eight groups of different factors, as follows: type of movement (bodily and tipping) and force magnitude (10, 25, 50, and 100 cN). The maxillary left first molars were moved mesially with nickel-titanium coil springs for 28 days...
February 16, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28203005/-clinical-evaluation-of-periodontal-orthodontic-treatment-in-patients-with-aggressive-periodontitis-and-malocclusion
#7
X Shen, J Shi, L Xu, J Jiao, R F Lu, H X Meng
OBJECTIVE: To evaluate the clinical effect and safety of periodontal-orthodontic treatment in patients with aggressive periodontitis (AgP) and malocclusion. METHODS: A retrospective analysis was conducted in 25 AgP patients, who had received periodontal-orthodontic treatment in Peking University School and Hospital of Stomatology. Clinical indexes, including probing depth (PD), bleeding index (BI) and percentage of sites with bleeding on probing (BOP%) were evaluated at three time points: Baseline (T0); active periodontal treatment finished and before orthodontic treatment (T1); and after orthodontic treatment (T2)...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28199142/dc-stamp-is-an-osteoclast-fusogen-engaged-in-periodontal-bone-resorption
#8
W Wisitrasameewong, M Kajiya, A Movila, S Rittling, T Ishii, M Suzuki, S Matsuda, Y Mazda, M R Torruella, M M Azuma, K Egashira, M O Freire, H Sasaki, C Y Wang, X Han, M A Taubman, T Kawai
Dendritic cell-specific transmembrane protein (DC-STAMP) plays a key role in the induction of osteoclast (OC) cell fusion, as well as DC-mediated immune regulation. While DC-STAMP gene expression is upregulated in the gingival tissue with periodontitis, its pathophysiological roles in periodontitis remain unclear. To evaluate the effects of DC-STAMP in periodontitis, anti-DC-STAMP-monoclonal antibody (mAb) was tested in a mouse model of ligature-induced periodontitis ( n = 6-7/group) where Pasteurella pneumotropica ( Pp)-reactive immune response activated T cells to produce receptor activator of nuclear factor kappa-B ligand (RANKL), which, in turn, promotes the periodontal bone loss via upregulation of osteoclastogenesis...
February 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28198555/involvement-of-cd147-in-alveolar-bone-remodeling-and-soft-tissue-degradation-in-experimental-periodontitis
#9
D Yang, R Liu, L Liu, H Liao, C Wang, Z Cao
BACKGROUND AND OBJECTIVE: The objective of this study was to investigate the possible roles of clusters of differentiation 147 (CD147) in bone resorption and mineralization through the bone markers of bone sialoprotein, osteocalcin, osteopontin and alkaline phosphatase (ALP), trabecular structure of alveolar bone and number of osteoclasts. We also investigated the effects of CD147 on inflammation and collagen breakdown. MATERIAL AND METHODS: Twenty-eight male Wistar rats were randomly divided into four groups of seven animals each: healthy group, periodontitis group, periodontitis + saline group and periodontitis + anti-CD147 groups...
February 15, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28194401/clinical-application-of-cone-beam-computed-tomography-of-the-rabbit-head-part-2-dental-disease
#10
G G Riggs, Derek D Cissell, Boaz Arzi, David C Hatcher, Philip H Kass, Amy Zhen, Frank J M Verstraete
Domestic rabbits are increasing in popularity as household pets; therefore, veterinarians need to be familiar with the most common diseases afflicting rabbits including dental disease. Current diagnostic approaches include gross oral examination, endoscopic oral examination, skull radiography, and computed tomography (CT). Cone beam computed tomography (CBCT), a new oral and maxillofacial imaging modality that has the capability to produce high-resolution images, has not yet been described for use in evaluating dental disease in rabbits...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28182072/evaluation-of-the-effects-of-two-different-bone-resorption-inhibitors-on-osteoclast-numbers-and-activity-an-animal-study
#11
Narges Naghsh, Sayed Mohammad Razavi, Mohsen Minaiyan, Mohammad Shahabooei, Reza Birang, Parichehr Behfarnia, Samira Hajisadeghi
BACKGROUND: The aim of this study was to evaluate the effects of bone resorption inhibitors, doxycycline (DOX) and erythromycin (EM), on osseous wound healing in rat alveolar socket. MATERIALS AND METHODS: In this randomized controlled trial, 45 8-10-week-old male Wistar rats had their maxillary right molar extracted. They were divided into three groups of 15. In Group 1 normal saline, Group 2 DOX, and Group 3 EM were administered at the doses of 5 ml/kg/day, 5 mg/kg/day, and 2 mg/kg/day, respectively, for 7 consecutive days...
November 2016: Dental Research Journal
https://www.readbyqxmd.com/read/28178585/effects-of-glucocorticoid-induced-osteoporosis-on-bone-tissue-of-rats-with-experimental-periodontitis
#12
Luzia Hermínia Teixeira Sousa, Eveline Valeriano Moura, Ana Larissa Queiroz, Danielle Val, Hellíada Chaves, Mario Lisboa, Flávia Furlaneto, Gerly Anne Brito, Paula Goes
OBJECTIVE: To evaluate the effects of osteoporosis induced by glucocorticoid (GIOP) on bone tissue of rats with experimental periodontitis (EP). DESIGN: 48 male Wistar rats divided into groups: Naïve, EP, GIOP and GIOP+EP. Rats of GIOP and GIOP+EP groups received 7mg/kg of dexamethasone intramuscularly once a week for 5 weeks. Following, EP and GIOP+EP groups were subjected to ligature-induced periodontitis. Naïve group experienced no manipulation. After 11 days, the animals were euthanized and left maxillae collected for macroscopic, radiographic, micro-tomographic and microscopic analysis of alveolar bone loss (ABL)...
January 20, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28177588/a-retrospective-study-of-isolated-fractures-of-the-alveolar-process-in-the-permanent-dentition
#13
Maja Marotti, Kurt Alois Ebeleseder, Gerold Schwantzer, Stefanie Jauk
BACKGROUND/AIM: There is a lack of studies of fractures of the alveolar process (FAP). Only five were published in the last fifty years. The aim of this study was to analyze the risk of pulp necrosis and infection (PN), pulp canal obliteration (PCO), infection-related root resorption (IRR), ankylosis-related resorption (ARR), marginal bone loss (MBL), and tooth loss (TL) as well as to identify the possible risk factors for teeth involved in an isolated alveolar process fracture. In the second part, any late complications of the involved teeth were reported in patients who responded to a follow-up examination...
February 8, 2017: Dental Traumatology: Official Publication of International Association for Dental Traumatology
https://www.readbyqxmd.com/read/28160580/sclerotherapy-for-the-recurrent-granulomatous-epulis-with-pingyangmycin
#14
Y Cai, R Sun, K-F He, Y-F Zhao, J-H Zhao
BACKGROUND: Relapse of granulomatous epulis is common after surgery because of local irritations, hormonal level in vivo, or incomplete resection. Currently, if recurrence occurs, then extraction of the teeth adjacent to the lesion is commonly performed, which may influence the aesthetics or masticatory function. Thus, a more effective and less aggressive treatment method is urgently demanded, particularly for the recurring lesion. This study investigated the effects of the intralesional pingyangmycin (PYM) injections for the recurrent granulomatous epulis and assessed the complications...
February 4, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28104616/sequential-colonization-of-periodontal-pathogens-in-induction-of-periodontal-disease-and-atherosclerosis-in-ldlrnull-mice
#15
Sasanka S Chukkapalli, Meena Easwaran, Mercedes F Rivera-Kweh, Irina M Velsko, Sriram Ambadapadi, Jiayin Dai, Hannu Larjava, Alexandra R Lucas, Lakshmyya Kesavalu
Periodontal disease (PD) and atherosclerotic vascular disease (ASVD) are both chronic inflammatory diseases with a polymicrobial etiology and have been epidemiologically associated. The purpose is to examine whether periodontal bacteria that infect the periodontium, can also infect vascular tissues and enhance pre-existing early aortic atherosclerotic lesions in LDLR(null) mice. Mice were orally infected with intermediate bacterial colonizer Fusobacterium nucleatum for the first 12 weeks followed by late bacterial colonizers (Porphyromonas gingivalis, Treponema denticola and Tannerella forsythia) for the remaining 12 weeks mimicking the human oral microbiota ecological colonization...
January 18, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28098768/preventive-effects-of-drinking-hydrogen-rich-water-on-gingival-oxidative-stress-and-alveolar-bone-resorption-in-rats-fed-a-high-fat-diet
#16
Toshiki Yoneda, Takaaki Tomofuji, Muneyoshi Kunitomo, Daisuke Ekuni, Koichiro Irie, Tetsuji Azuma, Tatsuya Machida, Hisataka Miyai, Kouhei Fujimori, Manabu Morita
Obesity induces gingival oxidative stress, which is involved in the progression of alveolar bone resorption. The antioxidant effect of hydrogen-rich water may attenuate gingival oxidative stress and prevent alveolar bone resorption in cases of obesity. We examined whether hydrogen-rich water could suppress gingival oxidative stress and alveolar bone resorption in obese rats fed a high-fat diet. Male Fischer 344 rats (n = 18) were divided into three groups of six rats each: a control group (fed a regular diet and drinking distilled water) and two experimental groups (fed a high-fat diet and drinking distilled water or hydrogen-rich water)...
January 13, 2017: Nutrients
https://www.readbyqxmd.com/read/28093319/anti-inflammatory-effect-of-the-salvia-sclarea-l-ethanolic-extract-on-lipopolysaccharide-induced-periodontitis-in-rats
#17
Milica Kostić, Dušanka Kitić, Milica B Petrović, Tatjana Jevtović-Stojmenov, Marko Jović, Aleksandar Petrović, Slavoljub Živanović
ETHNOPHARMACOLOGICAL RELEVANCE: Salvia sclarea L., clary, is an aromatic plant traditionally used in folk medicine for the treatment of various diseases and conditions. Although it has been primarily used as a stomachic, there are data on traditional use of S. sclarea as an agent against gingivitis, stomatitis and aphthae. AIM OF THE STUDY: The aim of the study was to examine the effect of the S. sclarea ethanolic extract on the lipopolysaccharide (LPS)-induced periodontitis in rats from the immunological and histopathological standpoint...
January 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28081379/direct-gingival-fibroblast-osteoblast-transdifferentiation-via-epigenetics
#18
Y Cho, B Kim, H Bae, W Kim, J Baek, K Woo, G Lee, Y Seol, Y Lee, Y Ku, I Rhyu, H Ryoo
Alveolar bone resorption caused by trauma or periodontal diseases has represented a challenge for both dental clinicians and researchers. In this study, we evaluate the osteogenic potential of human gingival fibroblasts (HGFs) through a direct transdifferentiation from HGFs to functional osteoblasts via epigenetic modification and osteogenic signaling with bone morphogenetic protein 2 (BMP2) in vitro and in vivo. HGF treatment with 5-aza-2'-deoxycytidine (5-aza-dC) induced demethylation in the hypermethylated CpG islands of the osteogenic lineage marker genes RUNX2 and ALP, and subsequent BMP2 treatment successfully drove the fibroblasts to the osteoblasts' lineage...
January 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28081372/role-of-hyperplasia-of-gingival-lymphatics-in-periodontal-inflammation
#19
P Papadakou, A Bletsa, M A Yassin, T V Karlsen, H Wiig, E Berggreen
Lymphatic vessels are important for maintenance of tissue fluid homeostasis and afferent antigen transport. In chronic inflammation, lymphangiogenesis takes place and is characterized by lymphatic endothelial cell proliferation and lymphatic hyperplasia. Vascular endothelial growth factor C (VEGFC) is the main known lymphangiogenic growth factor, and its expression is increased in periodontitis, a common chronic infectious disease that results in tissue destruction and alveolar bone loss. The role of lymphangiogenesis during development of periodontitis is unknown...
December 1, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/28042439/full-arch-rehabilitation-in-severe-maxillary-atrophy-with-palatal-approach-implant-placement-a-case-report
#20
M Andreasi Bassi, M A Lopez, C Andrisani, Z Ormanier, M Gargari
PURPOSE: The edentulous severely atrophic maxilla, as consequence of alveolar bone resorption and pneumatisation of the maxillary sinus, represents a serious limitation to the implant rehabilitation. Implants insertion via palatal approach (PA), in combination with relatively minimally invasive techniques aimed at increasing bone volume without the use of autologous bone harvesting is a valid alternative among the options for the rehabilitation of the upper jaw. CLINICAL CASE: In a 70-year-old female, with a severe maxillary atrophy, 6 spiral taper implants were placed with the PA, combined with the bilateral transcrestal elevation of both the sinus floors and nasal cavities; a further GBR, with resorbable pericardium membrane covering a termoplastic allograft associated to a xenograft, was performed...
July 2016: Oral & Implantology
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