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Crown lengthening

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https://www.readbyqxmd.com/read/29058855/crown-lengthening-needs-and-outcomes-in-adults-attending-a-predoctoral-clinic
#1
Ryan McGary, Josephine Franc, Sam Chui, Clara S Kim, Tobias K Boehm
In this retrospective study of 5,536 patients admitted over four years at a predoctoral dental clinic for comprehensive care, general dentists identified crown lengthening needs in 584 patients and 760 teeth. Only 51 patients and 68 teeth actually received crown lengthening procedures. For the other cases, patients discontinued treatment or chose extraction or restoration without crown lengthening procedures. Teeth that received crown lengthening procedures were most likely restored and functioning for at least one year...
February 2017: Journal of the California Dental Association
https://www.readbyqxmd.com/read/29034271/effect-of-propolis-extract-in-combination-with-eugenol-free-dressing-coe-paktm-on-pain-and-wound-healing-after-crown-lengthening-a-randomized-clinical-trial
#2
Mitra Askari, Anna Saffarpour, Jalal Purhashemi, Atena Beyki
STATEMENT OF THE PROBLEM: Researchers have long been in search of products to enhance healing and patient comfort postoperatively. PURPOSE: This study aimed to assess the efficacy of propolis extract in combination with Coe-Pak(TM) dressing for pain relief and wound healing after crown lengthening surgery. MATERIALS AND METHOD: This randomized clinical trial was performed on 36 patients who were randomly divided into two groups of Coe-Pak(TM) dressing with (trial group) and without (control group) propolis extract...
September 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29033526/complexity-of-comprehensive-care-treatments-in-undergraduate-dental-programs-the-benefits-of-observing-and-assisting-experienced-faculty-members
#3
Moataz Elgezawi, Khalid Hassan, Adel Alagl, Ahmad M Al-Thobity, Basel Al-Mutairi, Thamir Al-Houtan, Shazia Sadaf
OBJECTIVE: To improve the confidence of the final year dental students in completing occlusal and oral rehabilitation of patients, with complexities beyond their scope, based on full analysis of the biomechanical and esthetic considerations of each case. MATERIAL & METHODS: Two comprehensive patient situations presenting with special difficulties including extensive, reduced vertical dimension of occlusion, limited interocclusal space and maxillary alveolar bone for implant insertion necessitating bone augmentation and a sinus lift surgery was managed by two students at our institute...
October 2017: Saudi Dental Journal
https://www.readbyqxmd.com/read/29026699/comparison-of-the-clinical-biological-width-with-the-published-standard-histologic-mean-values
#4
Fatme Mouchref Hamasni, Fady El Hajj
AIMS AND OBJECTIVES: Biologic width (BW) as defined by Cohen is the part of the supracrestal gingival tissues that occupy the space between the base of the gingival crevice and the alveolar crest; it includes the junctional epithelium and the connective tissue element. Interactions between dental crowns and the marginal periodontal tissues analyzed in many review papers concluded that the recognition of the BW, in terms of crown margin placement, is beneficial for periodontal health. Therefore, knowledge of the dimensions of the sum of the junctional epithelium and connective tissue attachment as well as the sulcus depth (SD) is of clinical relevance...
September 2017: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/28808641/management-of-large-class-ii-lesions-in-molars-how-to-restore-and-when-to-perform-surgical-crown-lengthening
#5
Ana Belén Dablanca-Blanco, Juan Blanco-Carrión, Benjamín Martín-Biedma, Purificación Varela-Patiño, Alba Bello-Castro, Pablo Castelo-Baz
The restoration of endodontic tooth is always a challenge for the clinician, not only due to excessive loss of tooth structure but also invasion of the biological width due to large decayed lesions. In this paper, the 7 most common clinical scenarios in molars with class II lesions ever deeper were examined. This includes both the type of restoration (direct or indirect) and the management of the cavity margin, such as the need for deep margin elevation (DME) or crown lengthening. It is necessary to have the DME when the healthy tooth remnant is in the sulcus or at the epithelium level...
August 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28791172/ontogenetic-variations-and-structural-adjustments-in-mammals-evolving-prolonged-to-continuous-dental-growth
#6
Helder Gomes Rodrigues, Rémi Lefebvre, Marcos Fernández-Monescillo, Bernardino Mamani Quispe, Guillaume Billet
Studying dental ontogeny in mammals can provide valuable insight on the evolution of their masticatory apparatus and their related adaptations. The multiple acquisitions of a prolonged to continuous growth of teeth in herbivorous mammals in response to high abrasion represent an intensively investigated issue. However, the ontogenetic and architectural patterns associated with these repeated dental innovations remain poorly known. Here, we focused on two case studies corresponding to distant mammalian clades, the extinct Mesotheriidae (Notoungulata), which shared some striking dental features with the extant Ctenodactylidae (Rodentia)...
July 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28689907/a-digitally-guided-dual-technique-for-both-gingival-and-bone-resection-during-crown-lengthening-surgery
#7
Xiaoqiang Liu, Jingting Yu, Jianfeng Zhou, Jianguo Tan
This paper presents a digitally guided dual technique that provides references for gingival and bone resection during crown lengthening surgery. The architecture of the teeth, gingiva, and alveolar bone is scanned and registered to design dual guides consisting of a gingivectomy guide and an alveolectomy guide that are used in periodontal surgery for esthetic rehabilitation.
July 7, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28665155/effects-of-high-power-pulsed-nd-yag-laser-irradiation-on-the-release-of-transforming-growth-factor-beta-tgf-%C3%AE-and-vascular-endothelial-growth-factor-vegf-from-human-gingival-fibroblasts
#8
Mehmet Sağlam, Serhat Köseoğlu, Tuğba Pekbağrıyanık, Levent Savran, Şükrü Enhoş
The purpose of this study was to investigate the effect of different high-power energy settings of a neodymium:yttrium-aluminum-garnet (Nd:YAG) laser (1064 nm) on cell viability of human gingival fibroblasts (GFs) and release of transforming growth factor-beta (TGF-β) and vascular endothelial growth factor (VEGF) on these cells. GFs were isolated from human gingival connective tissues during the crown lengthening procedure. GFs were irradiated with different laser parameters as follows: group 1: 1 W (100 mJ, 10 Hz) 10 seconds; group 2: 1...
June 30, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28632254/osteogenic-potential-of-gingival-mesenchymal-stem-cells-over-titanium-machined-surfaces
#9
Julio A Carrion, Junaid Rajani, Mohamed Al Bahrawy, Xiaojun Chan, Tae Jin Kim, Srinivas Myneni, Vincent J Iacono
PURPOSE: To evaluate the biochemical composition of bone nodules deposited by gingival mesenchymal stem cells (GMSCs) over titanium machined surfaces in vitro. MATERIALS AND METHODS: GMSCs were isolated from healthy gingival tissues of patients undergoing crown-lengthening surgical procedures. GMSCs were characterized following the International Society for Cellular Therapy guidelines. After incubation of the GMSCs with titanium discs, osteogenic differentiation was induced for 28 days...
September 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28616088/effect-of-prophylactic-administration-of-novafen-for-periodontal-surgery-on-postoperative-pain-relief
#10
A Kashefimehr, A Babaloo, M Ghanizadeh, S H Ghasemi, H Mollazadeh
Pain is a subjective feeling and one of the defense and alerting mechanisms of the body, which is distinguished from the body senses, including touch sensation and perception of heat, cold, pressure, etc. Pain, discomfort, and edema are very common after dental procedures, especially after periodontal surgeries, usually occurring during the first 24 hours after surgery; such pains are classified as medium to severe pains. Generally, medications are used to manage patients' pain and discomfort. One of the most commonly used medications for pain control is Ibuprofen, which is one of the NSAIDs and is a simple derivative of phenylpropionic acid...
April 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/28540108/scalpel-depigmentation-and-surgical-crown-lengthening-to-improve-anterior-gingival-esthetics
#11
K C Chethana, K Pradeep
A smile is a mesmerizing expression of joy, success, courtesy and reveals self-confidence. The harmony of the smile is determined not only by the shape, position and the color of teeth, but also by the gingival architecture. Gingival tissues form an important part of what we can consider to be a pleasing smile. The elegance of this pleasant smile could be, affected by highly pigmented gingiva. This gingival pigmentation occurs as a result of melanin granules, which are produced by melanoblast. Although melanin pigmentation does not present a medical problem, demand for cosmetic therapy is commonly sort by people with moderately pigmented gingiva...
November 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28517973/periodontal-referral-patterns-in-australia-2000-versus-2015
#12
Leah M Brown, Patrick Bowman, Vincent J O'Rourke, Faustino Mercado, Roderick Marshall, Scott Parsons
BACKGROUND: A previous study had investigated differences in the severity of periodontal disease on referral for specialist care between 1980 and 2000 across the USA. This study found patients referred in 2000 had a greater severity of periodontal disease than those referred twenty years prior. METHODS: A retrospective chart analysis of 384 charts was completed from three periodontal practices across the east coast of Australia. Two time periods were investigated; 2000-2001 and 2015-2016...
May 18, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28462406/effectiveness-of-radio-waves-application-in-modern-general-dental-procedures-an-update
#13
Arslan Qureshi, Sergio Varela Kellesarian, Michael A Pikos, Fawad Javed, Georgios E Romanos
OBJECTIVE: The purpose of the present study was to review indexed literature and provide an update on the effectiveness of high-frequency radio waves (HRW) application in modern general dentistry procedures. DATA SOURCES: Indexed databases were searched to identify articles that assessed the efficacy of radio waves in dental procedures. RESULTS: Radiosurgery is a refined form of electrosurgery that uses waves of electrons at a radiofrequency ranging between 2 and 4 MHz...
April 28, 2017: Quintessence International
https://www.readbyqxmd.com/read/28434556/cad-cam-techniques-help-in-the-rebuilding-of-ideal-marginal-gingiva-contours-of-anterior-maxillary-teeth-a-case-report
#14
Jiayue Yin, Dan Liu, Yuehua Huang, Lin Wu, Xiaolin Tang
BACKGROUND AND OVERVIEW: "Pink esthetics," which are considered to be as important as "white esthetics," have attracted increasing attention. To date, clinicians rarely have applied computer-aided design and computer-aided manufacturing (CAD/CAM) techniques in the rebuilding of the contour of the marginal gingiva in the esthetic zone. CASE DESCRIPTION: In this case report, the authors describe a female patient who had gingival inflammation and an asymmetrical contour of the marginal gingiva of the anterior maxillary teeth because previously placed ceramic crowns violated the biological width...
November 2017: Journal of the American Dental Association
https://www.readbyqxmd.com/read/28382581/the-prominent-proteins-expressed-in-healthy-gingiva-a-pilot-exploratory-tissue-proteomics-study
#15
Emre Yaprak, Murat Kasap, Gürler Akpınar, Sibel Kayaaltı-Yüksek, Alper Sinanoğlu, Nil Guzel, Husniye Demirturk Kocasarac
Gingiva is a unique tissue which protects the underlying periodontal tissues from consistent mechanical and bacterial aggressions. Molecular analysis of gingiva is likely to improve our understanding of the underlying biological processes at work. The aim of this preliminary exploratory study is to analyze the proteomic profile of healthy gingiva and to detect prominently expressed proteins. Gingival tissue samples were obtained from periodontally healthy individuals who underwent surgical crown lengthening procedure...
April 5, 2017: Odontology
https://www.readbyqxmd.com/read/28345335/vegfr-3-expression-in-oral-lichen-planus
#16
Zahra Zolfaghari Saravi, Maryam Seyedmajidi, Majid Sharbatdaran, Ali Bijani, Fatemeh Mozaffari, Pouyan Aminishakib
Background and objective: Given the postulated the role of inflammation and possible contribution of lymphangiogenesis in oral lichen planus, this study aimed to assess any associated presence of VEGFR-3. Material and Methods: This cross-sectional study was performed on 52 formalin fixed and paraffin embedded blocks of oral lichen planus (pathological diagnosis based on Modified WHO criteria), comprising 25 of erosive and 27 of reticular type, along with 60 samples of normal mucosa (with minimal inflammation from clinical and histopathological aspects) obtained at crown lengthening surgery...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28279057/-long-term-treatment-outcome-and-influencing-factors-of-teeth-receiving-modified-crown-lengthening
#17
C Wang, X T Jia, W J Hu, M Zhen, H Zhang
Objective: To observe the long-term clinical treatment outcome and the influencing factors of the outcome for the teeth receiving modified crown lengthening surgery combined with root canal treatment and post-core crown restoration. To summarize the clinical guidelines of modified crown lengthening surgery in selection of indications and for mulation of treatment planning. Methods: Fifty-seven patients with a total of 67 teeth receiving modified crown lengthening surgery combined with root canal treatment and post-core crown restoration for at least a 6 months' follow-up period between July 2004 and July 2013 were recruited in this retrospective study by phone call interviews...
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
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
#18
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/28196171/er-yag-laser-for-surgical-crown-lengthening-a-6-month-clinical-study
#19
Chang-Kai Chen, Yung-Tsan Wu, Nai-Jen Chang, Wan-Hong Lan, Jyuhn-Hurng Ke, Earl Fu, Da-Yo Yuh
This study evaluated use of a solid-state laser to avoid the flap technique and suturing. An Er:YAG laser was used in 26 consecutive patients referred for osseous crown lengthening in 32 posterior teeth. The distance from the planned restoration margin to the alveolar crest (B) satisfied a 3-mm dentogingival complex. No tissue necrosis and no significant change in the distance from the gingival margin to B or probing depth were detected at 3 and 6 months. Minimally invasive Er:YAG laser surgery decreases the time needed to establish the gingival margin necessary for definitive restoration...
March 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28196170/novel-approach-to-managing-malsequenced-and-malpositioned-immediately-placed-implants-in-the-esthetic-zone
#20
Jacob K Stern, Christopher M Bingham, Brock J Pumphrey, Gerard J Chiche, Eduardo Britton
Esthetic implant therapy can be challenging in the anterior maxilla, and meticulous treatment is often required to deliver optimal esthetics. Close collaboration between surgical and prosthetic team members using the novel approach of prosthetic crown lengthening helped camouflage a shallow implant platform location, providing the proper gingival frame for esthetic restorations. This case report presents an interdisciplinary approach that included ridge augmentation, second-stage crown lengthening, and prosthetic soft tissue manipulation to address an implant placed too shallow in the alveolus of an extraction socket...
March 2017: International Journal of Periodontics & Restorative Dentistry
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