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Ridge preservation

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https://www.readbyqxmd.com/read/28806380/formation-of-the-philtral-column-using-a-dermal-graft-in-secondary-unilateral-cleft-lip
#1
Jeenam Kim, Jongok Park, Ki-Il Uhm, Donghyeok Shin, Hyungon Choi
INTRODUCTION: The philtral column has an important aesthetic significance and is especially important in patients with cleft lip. If the integrity of the philtrum cannot be preserved in patients of unilateral clefts, these patients will have profound abnormalities in their facial musculature. The purpose of this study was to analyze the effects of dermal grafting on the philtral column in patients with a unilateral alveolar cleft. METHODS: The authors retrospectively studied dermal grafts performed in Konkuk University Medical Center between January 2009 and January 2015...
August 10, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28802762/clinical-application-of-autogenous-partially-demineralized-dentin-matrix-prepared-immediately-after-extraction-for-alveolar-bone-regeneration-in-implant-dentistry-a-pilot-study
#2
T Minamizato, T Koga, Takashi I, Y Nakatani, M Umebayashi, Y Sumita, T Ikeda, I Asahina
The aim of this study was to examine the efficacy and safety of autogenous partially demineralized dentin matrix (APDDM) prepared onsite, for clinical application in bone regeneration procedures related to implant dentistry, including socket preservation, alveolar ridge augmentation, and maxillary sinus floor augmentation. In this study, 16 patients underwent dental implant placement using APDDM transplantation. There were no systemic or local complications (including surgical site infection) in any of the cases, and oral rehabilitation using dental implants was successful in all cases for at least 2 years after attachment of the suprastructure...
August 9, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28764533/visualizing-dispersive-features-in-2d-image-via-minimum-gradient-method
#3
Yu He, Yan Wang, Zhi-Xun Shen
We developed a minimum gradient based method to track ridge features in a 2D image plot, which is a typical data representation in many momentum resolved spectroscopy experiments. Through both analytic formulation and numerical simulation, we compare this new method with existing DC (distribution curve) based and higher order derivative based analyses. We find that the new method has good noise resilience and enhanced contrast especially for weak intensity features and meanwhile preserves the quantitative local maxima information from the raw image...
July 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28758435/-treating-tissue-defects-following-tooth-removal-three-case-reports
#4
Rita Marton, Anna Martin, Szandra Lemperger, Péter Windisch
Following tooth removal, three dimensional hard- and soft-tissue loss take place. Spontaneous healing makes the defect more severe and results in collapsing tissues. Implant placement is not feasible. In the aestethic zone even fixed partial dentures will not deliver the expected result. Our aim was to demonstrate that only ridge preservation enables implant placement and also provides excellent aestetic result even at frontal areas. CBCT was made before and 6-8 months after ridge preservation. Vertical and socket area measurements were carried out and compared in pre-, and postoperative images...
August 2017: Orvosi Hetilap
https://www.readbyqxmd.com/read/28747477/oyster-reefs-as-carbon-sources-and-sinks
#5
F Joel Fodrie, Antonio B Rodriguez, Rachel K Gittman, Jonathan H Grabowski, Niels L Lindquist, Charles H Peterson, Michael F Piehler, Justin T Ridge
Carbon burial is increasingly valued as a service provided by threatened vegetated coastal habitats. Similarly, shellfish reefs contain significant pools of carbon and are globally endangered, yet considerable uncertainty remains regarding shellfish reefs' role as sources (+) or sinks (-) of atmospheric CO2 While CO2 release is a by-product of carbonate shell production (then burial), shellfish also facilitate atmospheric-CO2 drawdown via filtration and rapid biodeposition of carbon-fixing primary producers...
July 26, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28745002/dimensional-changes-of-the-maxillary-sinus-following-tooth-extraction-in-the-posterior-maxilla-with-and-without-socket-preservation
#6
Itay Levi, Michal Halperin-Sternfeld, Jacob Horwitz, Hadar Zigdon-Giladi, Eli E Machtei
BACKGROUND: Sinus pneumatization is commonly observed following tooth extraction in the posterior maxilla, however, the role of this pneumatization in the overall changes in the vertical bone height is not clear. PURPOSE: To compare dimensional changes in the alveolar ridge and corresponding maxillary sinus following tooth extraction, with or without socket preservation. MATERIALS AND METHODS: 42 patients underwent tooth extraction (control group) and 21 patients underwent tooth extraction with socket preservation using DBBM (study group)...
July 26, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28727462/tridimensional-reconstruction-of-a-complex-iatrogenic-defect-using-orthodontic-forced-eruption-and-minimally-invasive-bone-grafting
#7
Ernesto A Lee
As the use of dental implants has become more common, so has the frequency of complications and unforeseen outcomes. This article describes the treatment of a complex iatrogenic defect secondary to a failed implant (No. 7) and multiple bone-grafting attempts in the maxillary anterior region. The patient's revealing smile line and high-risk circumstances demanded the use of an interdisciplinary treatment approach with high potential for predictable esthetic results. Forced eruption was performed to restore the alveolar height deficit and develop the compromised hard and soft tissues around teeth Nos...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727205/drivers-of-woody-canopy-water-content-responses-to-drought-in-a-mediterranean-type-ecosystem
#8
Tarin Paz-Kagan, Gregory P Asner
Severe droughts increase physiological stress in woody plant species, which can lead to mortality, fundamentally altering the composition, structure, and biogeography of forests in many regions. Little is known, however, about the factors determining the physiological response of woody plants to drought at landscape scales. Our objective was to understand woody plant species responses to ongoing changes in climate, using remotely sensed canopy water content (CWC) as an indicator of plant physiological and phenological status...
July 20, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28717790/soft-and-hard-tissue-response-%C3%A2-to-an-implant-with-a-convergent-%C3%A2-collar-in-the-esthetic-area-%C3%A2-preliminary-report-at-18-months
#9
Luigi Canullo, Marco Tallarico, Guillermo Pradies, Fabio Marinotti, Ignazio Loi, Roberto Cocchetto
AIM: The purpose of this prospective cohort study was to investigate, over an 18-month period, soft and hard tissue response to a transmucosal implant with a convergent collar inserted in the anterior maxillary esthetic area. MATERIALS AND METHODS: From June 2013 to January 2014, 14 consecutive patients were enrolled (7 men and 7 women; mean age 63.7 ± 14 years) with 20 implants, needing at least one implant-supported restoration between the canines in the maxillary anterior esthetic area...
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28713118/preserving-the-bone-profile-in-anterior-maxilla-using-an-equine-cortical-bone-membrane-and-an-equine-enzyme-treated-bone-graft-a-case-report-with-5-year-follow-up
#10
Danilo A Di Stefano, Umberto Garagiola, Mirko A Bassi
AIM: This study aimed to report a well-succeeded use of equine enzyme-deantigenic cortical membrane and bone granules for guided bone regeneration (GBR) in the esthetic zone concomitant with implant placement. BACKGROUND: In the anterior maxilla, where patients typically have the highest expectations for implant-supported restorations, bone resorption in the wake of tooth loss often leads to a lack of soft tissue support and ultimately to unsatisfactory esthetic results...
July 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28698934/combination-of-w%C3%A3-ringer-s-horizontal-septum-and-inferior-pedicle-techniques-to-increase-nipple-areolar-complex-viability-during-breast-reduction-surgery
#11
Osman Kelahmetoglu, Remzi Firinciogullari, Caglayan Yagmur, Kemalettin Yildiz, Ethem Guneren
BACKGROUND: Breast reduction techniques depend on the vascularity of the pedicle. Preserving vascularity of the nipple-areolar complex (NAC) is mandatory for reduction mammoplasties, as the NAC is the most important aesthetic and functional unit of the breast. The inferior pedicle technique is the most common method for breast reduction; however, pedicle length may increase after using this technique and cause problems related to NAC viability in gigantomastic and hypertrophic breasts...
July 11, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28698758/maxillary-sinus-augmentation-using-a-titanium-mesh-a-randomized-clinical-trial
#12
Khalid Bahaa-Eldin, Basma Mostafa, Sherine Nasry, Ahmed Reda, Mona Shoeib
BACKGROUND: Various attempts have been implemented using different materials and techniques to augment the maxillary sinus floor for prospect dental implant positioning. AIM: This contemplate was conducted to assess the osteogenic capability of the maxillary sinus in a two-step sinus membrane elevation using titanium mesh to keep the formed space to place dental implants in atrophic ridges. MATERIALS AND METHODS: Titanium micromesh was customized and positioned into the sinus on one side to preserve the elevated membrane in position...
June 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28686902/silk-fibroin-coated-plga-dimpled-microspheres-for-retarded-release-of-simvastatin
#13
Feng Qiao, Junjiang Zhang, Jianghong Wang, Bo Du, Xiaohuan Huang, Liyun Pang, Zhimin Zhou
The surface physical features and chemical components of polymeric particles play an important role in drug delivery systems. In this study, PLGA blank microspheres and simvastatin-loaded PLGA microspheres with dimpled surface structure were prepared by single emulsion-solvent evaporation method in the absence of any additives. Subsequently, glutaraldehyde cross-linking was optimized for silk fibroin coating on simvastatin-loaded PLGA dimpled microspheres due to good solubility of simvastatin in alcohol. Furthermore, simvastatin release kinetics was investigated for silk-coated or plain PLGA dimpled microspheres...
June 24, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28680712/comparative-randomized-double-blind-clinical-study-of-alveolar-ridge-preservation-using-an-extracellular-matrix-based-dental-resorbable-membrane-in-the-extraction-socket
#14
Hyeyoon Chang, Sulhee Kim, Jin Wook Hwang, Sungtae Kim, Ki-Tae Koo, Tae-Il Kim, Yang-Jo Seol, Yong-Moo Lee, Young Ku, Jong-Ho Lee, In-Chul Rhyu
PURPOSE: The aim of this study was to radiographically and clinically compare the effect of extracellular matrix (ECM) membranes on dimensional alterations following a ridge preservation procedure. METHODS: One of 2 different ECM membranes was applied during a ridge preservation procedure. A widely used ECM membrane (WEM; Bio-Gide, Geistlich Biomaterials, Wolhusen, Switzerland) was applied in the treatment group and a newly developed ECM membrane (NEM; Lyso-Gide, Oscotec Inc...
June 2017: Journal of Periodontal & Implant Science
https://www.readbyqxmd.com/read/28653054/the-tissue-master-concept-tmc-innovations-for-alveolar-ridge-preservation
#15
Stefan Neumeyer
No abstract text is available yet for this article.
2017: International Journal of Esthetic Dentistry
https://www.readbyqxmd.com/read/28651727/ridge-preservation-reduced-the-loss-of-buccal-bone-height-but-no-differences-were-observed-in-other-alveolar-bone-dimensions-or-bone-width
#16
Romina Brignardello-Petersen
No abstract text is available yet for this article.
July 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28643883/is-ridge-preservation-augmentation-at-periodontally-compromised-extraction-sockets-safe-a-retrospective-study
#17
Jung-Ju Kim, Heithem Ben Amara, Frank Schwarz, Hae-Young Kim, Jung-Won Lee, Ulf Me Wikesjö, Ki-Tae Koo
OBJECTIVES: This study aimed to evaluate the safety of ridge preservation/augmentation procedures when performed at compromised extraction sockets. METHODS: Patients subject to ridge preservation/augmentation at periodontally compromised sockets at Seoul National University Dental Hospital(SNUDH) were evaluated in a chart review. Tooth extractions due to acute infection were not included in our study as chronically formed lesions are the only lesions that can be detected from radiographic images...
June 23, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28643222/ridge-preservation-using-an-in-situ-hardening-biphasic-calcium-phosphate-%C3%AE-tcp-ha-bone-graft-substitute-a-clinical-radiological-and-histological-study
#18
Ashish Kakar, Bappanadu H Sripathi Rao, Shashikanth Hegde, Nikhil Deshpande, Annette Lindner, Heiner Nagursky, Aditya Patney, Harsh Mahajan
BACKGROUND: Post-Extraction ridge preservation using bone graft substitutes is a conservative technique to maintain the width of the alveolar ridge. The objective of the present study was to evaluate an in situ hardening biphasic (HA/β-TCP) bone graft substitutes for ridge preservation without primary wound closure or a dental membrane. METHODS: A total of 15 patients reported for tooth extraction were enrolled in this study. Implants were placed in average 5.2 ± 2 months after socket grafting...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28610485/effects-of-the-bilayer-nano-hydroxyapatite-mineralized-collagen-guided-bone-regeneration-membrane-on-site-preservation-in-dogs
#19
Yi Sun, Chengyue Wang, Qixin Chen, Hai Liu, Chao Deng, Peixue Ling, Fu-Zhai Cui
This study was aimed at assessing the effects of the porous mineralized collagen plug with or without the bilayer mineralized collagen-guided bone regeneration membrane on alveolar ridge preservation in dogs. The third premolars in the bilateral maxilla of mongrel dogs ( N = 12) were extracted. Twenty-four alveolar sockets were thus randomly divided into three groups: membrane + collagen plug (MP, n = 8), nonmembrane + collagen plug (NP, n = 8) and blank group without any implantation (BG, n = 8)...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28610318/two-new-species-of-trimma-pisces-gobiidae-from-fiji-south-western-pacific-ocean
#20
Richard Winterbottom
Two new species of Trimma are described from Fiji. Trimma bathum n. sp. lacks scales on the cheeks, opercle and predorsal midline, has 18-19 unbranched pectoral fin rays, an unbranched 5th pelvic fin ray that is 40-56% the length of the 4th ray, 17-18 gill rakers on the outer surface of the first gill arch, a U-shaped interorbital and a narrow slit-like postorbital trench, a low, median fleshy ridge extending half-way towards the orbit from the origin of the first dorsal fin, and, when freshly collected, a pink head and body with most body scales having an orange-brown spot or short bar at their centres...
May 24, 2017: Zootaxa
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