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Alveolar resorption

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https://www.readbyqxmd.com/read/27933212/spontaneous-destructive-periodontitis-and-skeletal-bone-damage-in-transgenic-mice-carrying-a-human-shared-epitope-coding-hla-drb1-allele
#1
Prashasnika Gehlot, Sarah L Volk, Hector F Rios, Karl J Jepsen, Joseph Holoshitz
OBJECTIVE: Shared epitope (SE)-coding DRB1 alleles are associated with bone erosion in several diseases, including rheumatoid arthritis (RA) and periodontal disease (PD), but the underlying mechanism is unknown. We have recently identified the SE as an osteoclast-activating ligand. To better understand the biological effects of the SE in vivo, here we sought to determine whether it can facilitate spontaneous bone damage in naïve mice. METHODS: 3-month old naïve transgenic mice that carry the human SE-coding allele DRB1*04:01, or a SE-negative allele DRB1*04:02 were studied...
2016: RMD Open
https://www.readbyqxmd.com/read/27896212/effect-of-slow-forced-eruption-on-the-vertical-levels-of-the-interproximal-bone-and-papilla-and-the-width-of-the-alveolar-ridge
#2
Eun-Young Kwon, Ju-Youn Lee, Jeomil Choi
OBJECTIVE: Forced eruption has been proposed for the reconstruction of deficient bone and soft tissue. The aim of this study was to examine the changes in the alveolar ridge width and the vertical levels of the interproximal bone and papilla following forced eruption. METHODS: Patients whose hopeless maxillary anterior teeth were expected to undergo severe bone resorption and soft tissue recession upon extraction were recruited. In addition, patients whose maxillary anterior teeth required forced eruption for restoration due to tooth fracture or dental caries were included...
November 2016: Korean Journal of Orthodontics
https://www.readbyqxmd.com/read/27891638/regenerative-potential-of-leucocyte-and-platelet-rich-fibrin-l-prf-part-b-sinus-floor-elevation-alveolar-ridge-preservation-and-implant-therapy-a-systematic-review
#3
REVIEW
Ana B Castro, Nastaran Meschi, Andy Temmerman, Nelson Pinto, Paul Lambrechts, Wim Teughels, Marc Quirynen
AIM: To analyse the effect of Leucocyte- and Platelet Rich Fibrin (L-PRF) on bone regeneration procedures and osseointegration. MATERIALS AND METHODS: An electronic and hand search was conducted in three databases (MEDLINE, EMBASE and Cochrane). Only randomised clinical trials, written in English where L-PRF was applied in bone regeneration and implant procedures, were selected. No follow-up restrictions were applied. RESULTS: A total of 14 articles were included and processed...
November 28, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/27882310/minimal-invasive-horizontal-ridge-augmentation-using-subperiosteal-tunneling-technique
#4
Hyun-Suk Kim, Young-Kyun Kim, Pil-Young Yun
BACKGROUND: The goal of this study was to retrospectively evaluate the prognosis of minimal invasive horizontal ridge augmentation (MIHRA) technique using small incision and subperiosteal tunneling technique. METHODS: This study targeted 25 partially edentulous patients (10 males and 15 females, mean age 48.8 ± 19.7 years) who needed bone graft for installation of the implants due to alveolar bone deficiency. The patients took the radiographic exam, panoramic and periapical view at first visit, and had implant fixture installation surgery...
December 2016: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27881312/detachable-cheek-plumpers-with-different-attachments-for-improving-esthetics-in-a-conventional-complete-denture-a-clinical-report
#5
Nikita M Virdiya, Jayant N Palaskar, Jyoti Wankhade, Nikhil Joshi
Aging is associated with loss of teeth, resorption of the alveolar process, and reduced tonicity of the facial muscles, leading to sunken cheeks and an unesthetic appearance. Esthetics in patients in need of complete dentures can be improved with the help of cheek plumpers to support the cheeks. They are noninvasive and straightforward to fabricate. Despite the reported success with the sole use of maxillary cheek plumpers, in certain situations, maxillary cheek plumpers provide inadequate support to the cheeks, evident in the lower third of the face...
October 27, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27878769/to-what-extent-residual-alveolar-ridge-can-be-preserved-by-implant-a-systematic-review
#6
REVIEW
Ahmed Khalifa Khalifa, Masahiro Wada, Kazunori Ikebe, Yoshinobu Maeda
BACKGROUND: It has been reported that the load for (or to) implant-supported restoration may lead to bone remodeling as bone resorption and/or formation. While many authors supported the process of bone resorption, others elaborated bone apposition and increasing bone density close and remote to implant body (or fixture). This may suggest the role of the implant to reserve alveolar ridge from physiologic/pathologic resorption. The aim of this systematic review was to predict to how extend dental implants can preserve the residual alveolar ridge based on previous clinical investigations...
December 2016: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27876715/-diagnostics-of-tooth-supporting-structures
#7
K A Morozov, A P Matveev, E K Morozov, Yu V Kabanov
The aim of the study was to assess alveolar bone resorption in patients with periodontal disease and individuals with normal periodontal status and coordinate resorbtion rates with tooth mobility. Tooth mobility was measured in 19 patients with periodontal disease and 17 healthy individuals by two-parametrical periodontometry in two different positions: in equilibrium and after pre-loading. The level of bone resorption was determined by periodontal probe. Previously unknown correlation between tooth mobility and alveolar bone resorption was found out meaning that bone atrophy can be determined by tooth mobility...
2016: Stomatologii︠a︡
https://www.readbyqxmd.com/read/27858552/fluvastatin-inhibits-osteoclast-differentiation-and-p-gingivalis-lipopolysaccharide-induced-alveolar-bone-erosion-in-mice
#8
Nitin Kumar Pokhrel, Yong-Gun Kim, Jae-Young Kim, Hong-Hee Kim, Youngkyun Lee
BACKGROUND: Statins have been widely used to treat hypercholesterolemia. In addition to the inhibition of cholesterol synthesis, recent reports suggest bone anabolic property of statins. However, little notice has been paid to the direct effect of statins on osteoclastogenesis and bone resorption. METHODS: The effect of fluvastatin on osteoclast differentiation was determined using in vitro culture of mouse bone marrow macrophages (BMMs) in the presence of macrophage colony-stimulating factor (M-CSF) and receptor activator of nuclear factor kappa B ligand (RANKL)...
November 18, 2016: Journal of Periodontology
https://www.readbyqxmd.com/read/27858073/-torque-control-evaluated-by-lateral-cephalometric-radiography-and-cone-beam-ct-after-retraction-of-the-upper-anterior-teeth
#9
Xue Yang, Yu-Fen Qian
PURPOSE: To investigate the relationship between torque control and movement type of the teeth and to investigate the correlation between reconstruction of the alveolar bone and retraction of the upper anterior teeth. METHODS: Cephalograms of pre-treatment and post-treatment of 111 cases and cone-beam computed tomography of pre-retraction and post-retraction of 7 cases were collected. The inclination degree of the upper anterior teeth, the horizontal and vertical displacement of edge and apex,and the thickness of the alveolar bone at the apex level were measured...
August 2016: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/27857817/conservative-socket-regeneration-with-buccal-wall-defect-using-guided-tissue
#10
Mohammed Jasim Al-Juboori
Progressive alveolar bone resorption after tooth extraction may lead to surgical and prosthetic-driven difficulties, especially when deciding to use a dental implant to replace the extracted tooth. This case report discusses an irreparable lower left second premolar tooth with a periodontal lesion on the buccal side. A preservative tooth extraction was performed. Then, the socket was grafted with bovine bone, a collagen membrane was placed between the buccal bone and the attached gingiva, covering the bone dehiscence buccally, and the socket without a flap was raised...
2016: Open Dentistry Journal
https://www.readbyqxmd.com/read/27847815/comparison-of-bone-resorption-rates-after-intraoral-block-bone-and-guided-bone-regeneration-augmentation-for-the-reconstruction-of-horizontally-deficient-maxillary-alveolar-ridges
#11
B Alper Gultekin, Elcin Bedeloglu, T Emre Kose, Eitan Mijiritsky
Purpose. Bone atrophy after tooth loss may leave insufficient bone for implant placement. We compared volumetric changes after autogenous ramus block bone grafting (RBG) or guided bone regeneration (GBR) in horizontally deficient maxilla before implant placement. Materials and Methods. In this retrospective study, volumetric changes at RBG or GBR graft sites were evaluated using cone-beam computed tomography. The primary outcome variable was the volumetric resorption rate. Secondary outcomes were bone gain, graft success, and implant insertion torque...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27833731/bone-cells-dynamics-during-peri-implantitis-a-theoretical-analysis
#12
REVIEW
Maria Helena Fernandes, Pedro de Sousa Gomes
OBJECTIVES: The present manuscript aims a detailed characterization of the bone cells dynamics during physiological bone remodelling and, subsequently, to address the cellular and molecular mechanisms that play a fundamental role in the immune-inflammatory-induced uncoupled bone remodelling observed in peri-implantitis. RESULTS: An intimate relationship between the immune system and bone is acknowledged to be determinant for bone tissue remodelling and integrity...
July 2016: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/27824985/implant-ball-attachment-fabricated-with-cad-cam-to-overcome-an-unfavorable-clinical-situation-a-case-report
#13
Ji Suk Shim, Jae Hyung Lim, Jung Hyun Shin, Jae Jun Ryu, Jeong Yol Lee, Sang Wan Shin
The most common complication of implant ball attachments is loss of retention via structural wear. Hence, parallel placement of implants was identified as a prerequisite for long-term success. In this case, although severe angulation was formed between implants due to severe alveolar bone resorption, parallel ball attachments on the implants could be fabricated using computer-aided design/computer-assisted manufacture. This procedure can be a solution when implants are placed with angulation and offers additional advantages such as long-term stability...
November 2016: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/27806763/-use-of-alveolar-bone-mucosa-periosteal-bone-flap-in-dental-implantation
#14
P Xu, X N Li, Xhy Xu, Y N Cheng, D Yu, L Y Lu
To introduce a method of increasing the width of alveolar bone. The patient, who needed dental implantation and had narrow alveolar bone, was selected. The preparation of mucosa-periosteal bone flap included two surgeries. The first surgery was corticotomy, which made a square cortex cut on narrow alveolar bone region. The second surgery was performed four weeks after the first one, which split the alveolar bone and inserted implants. Artificial bone and/or autologous bone was filled between inner and outer bone plate, and collagen membrane and platelet-rich fibrin membrane were used to cover the wound...
November 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/27800213/the-influence-of-root-surface-distance-to-alveolar-bone-and-periodontal-ligament-on-periodontal-wound-healing
#15
Marco Montevecchi, Annapaola Parrilli, Milena Fini, Maria Rosaria Gatto, Aurelio Muttini, Luigi Checchi
PURPOSE: The purpose of this animal study was to perform a 3-dimensional micro-computed tomography (micro-CT) analysis in order to investigate the influence of root surface distance to the alveolar bone and the periodontal ligament on periodontal wound healing after a guided tissue regeneration (GTR) procedure. METHODS: Three adult Sus scrofa domesticus specimens were used. The study sample included 6 teeth, corresponding to 2 third mandibular incisors from each animal...
October 2016: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/27800212/benefits-of-mineralized-bone-cortical-allograft-for-immediate-implant-placement-in-extraction-sites-an-in-vivo-study-in-dogs
#16
Valérie Orti, Philippe Bousquet, Paul Tramini, Cesar Gaitan, Brenda Mertens, Frédéric Cuisinier
PURPOSE: The aim of the present study was to evaluate the effectiveness of using a mineralized bone cortical allograft (MBCA), with or without a resorbable collagenous membrane derived from bovine pericardium, on alveolar bone remodeling after immediate implant placement in a dog model. METHODS: Six mongrel dogs were included. The test and control sites were randomly selected. Four biradicular premolars were extracted from the mandible. In control sites, implants without an allograft or membrane were placed immediately in the fresh extraction sockets...
October 2016: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/27795356/mk2-signaling-shapes-macrophage-plasticity-in-aggregatibacter-actinomycetemcomitans-induced-bone-loss
#17
Bethany A Herbert, Heidi M Steinkamp, Matthias Gaestel, Keith L Kirkwood
Aggregatibacter actinomycetemcomitans is associated with aggressive periodontal disease, which is characterized by inflammation-driven alveolar bone loss. A. actinomycetemcomitans activates the p38 mitogen activated protein kinase (MAPK) and MAPK-activated protein kinase-2 (MK2) stress pathways in macrophages that are involved in host responses. During the inflammatory process in periodontal disease, chemokines are upregulated to promote recruitment of inflammatory cells. The objective of this study was to determine the role of MK2 signaling in chemokine regulation during A...
October 17, 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27777167/zanthoxylum-piperitum-reversed-alveolar-bone-loss-of-periodontitis-via-regulation-of-bone-remodeling-related-factors
#18
Mi Hye Kim, Hye Ji Lee, Jung-Chul Park, Jongki Hong, Woong Mo Yang
ETHNOPHARMACOLOGICAL RELEVANCE: Zanthoxylum piperitum (ZP) has been used to prevent toothache in East Asia. AIM OF STUDY: In this study, we investigated the effects of ZP on periodontitis along with alveolar bone loss. MATERIALS AND METHODS: Twenty-eight male Sprague-Dawley rats were assigned into 4 groups; non-ligated (NOR), ligated and treated vehicle (CTR), ligated and treated 1mg/mL ZP (ZP1), and ligated and treated 100mg/mL ZP (ZP100)...
October 21, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27761380/clinical-use-of-the-resorbable-bioscaffold-poly-lactic-co-glycolic-acid-plga-in-post-extraction-socket-for-maintaining-the-alveolar-height-a-prospective-study
#19
Nadeemul Hoda, Aamir Malick Saifi, Girish B Giraddi
BACKGROUND: A common sequel of tooth extraction is alveolar bone resorption. It makes the placement of dental implants difficult and creates an esthetic problem for the fabrication of conventional prostheses. Therefore, alveolar bone following tooth extraction should be preserved. AIMS AND OBJECTIVES: The present prospective study was conducted to evaluate the efficacy of the resorbable bioscaffold poly lactic co-glycolic acid (PLGA) in maintaining the alveolar height in post-extraction socket...
September 2016: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/27755399/zygomatic-implant-subjected-to-immediate-loading-for-atrophic-maxilla-rehabilitation
#20
Pâmela Letícia Dos Santos, Gustavo Henrique Souza Silva, Fernanda Rayssa Da Silva Pereira, Raquel Damazia da Silva, Mirella Lindoso Gomes Campos, Thiago Borges Mattos, Jéssica Lemos Gulinelli
As life expectancy increases, a larger number of elderly people require dental health care attention for implant-supported rehabilitation, with the aim of restoring the function and aesthetics of the oral cavity. Most of these patients have lost their teeth long time ago, causing a severe bone resorption and maxillary sinus pneumatization. Therefore, the current study aims to demonstrate, through the description of the clinical case, the treatment with zygomatic implants as an option for treating severely atrophic maxillas...
October 14, 2016: Journal of Craniofacial Surgery
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