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Journal of Periodontal & Implant Science

Won-Pyo Lee, Yo-Seob Seo, Hee-Jung Kim, Sang-Joun Yu, Byung-Ock Kim
PURPOSE: The purpose of this study was to evaluate the clinical efficacy of enhancing deficient interdental papilla with hyaluronic acid gel injection by assessing the radiographic anatomical factors affecting the reconstruction of the interdental papilla. METHODS: Fifty-seven treated sites from 13 patients (6 males and 7 females) were included. Patients had papillary deficiency in the upper anterior area. Prior to treatment, photographic and periapical radiographic standardization devices were designed for each patient...
August 2016: Journal of Periodontal & Implant Science
Pier Paolo Poli, Mario Beretta, Giovanni Battista Grossi, Carlo Maiorana
PURPOSE: The aim of the present study was to retrospectively investigate the influence of potential risk indicators on the development of peri-implant disease. METHODS: Overall, 103 patients referred for implant treatment from 2000 to 2012 were randomly enrolled. The study sample consisted of 421 conventional-length (>6 mm) non-turned titanium implants that were evaluated clinically and radiographically according to pre-established clinical and patient-related parameters by a single investigator...
August 2016: Journal of Periodontal & Implant Science
Ho-Chyul Han, Hyun-Chang Lim, Ji-Youn Hong, Su-Jin Ahn, Ji-Young Han, Seung-Il Shin, Jong-Hyuk Chung, Yeek Herr, Seung-Yun Shin
PURPOSE: The aim of this study was to determine the influence of anatomical conditions on primary stability in the models simulating posterior maxilla. METHODS: Polyurethane blocks were designed to simulate monocortical (M) and bicortical (B) conditions. Each condition had four subgroups measuring 3 mm (M3, B3), 5 mm (M5, B5), 8 mm (M8, B8), and 12 mm (M12, B12) in residual bone height (RBH). After implant placement, the implant stability quotient (ISQ), Periotest value (PTV), insertion torque (IT), and reverse torque (RT) were measured...
August 2016: Journal of Periodontal & Implant Science
Hyeyoon Chang, Seo-Eun Oh, Seunghan Oh, Kyung-Seok Hu, Sungtae Kim
PURPOSE: The aim of this study was to characterize the healing in the grafted calvarial defects of rats after adjunctive hyperbaric oxygen therapy. METHODS: Twenty-eight male Sprague-Dawley rats (body weight, 250-300 g) were randomly divided into two treatment groups: with hyperbaric oxygen therapy (HBO; n=14) and without HBO (NHBO; n=14). Each group was further subdivided according to the bone substitute applied: biphasic calcium phosphate (BCP; n=7) and surface-modified BCP (mBCP; n=7)...
August 2016: Journal of Periodontal & Implant Science
Anders Henningsen, Ralf Smeets, Aria Wahidi, Lan Kluwe, Frank Kornmann, Max Heiland, Till Gerlach
PURPOSE: Immediate loading of dental implants has been proved to be feasible in partially edentulous jaws. The purpose of this retrospective investigation was to assess the feasibility of immediately loading dental implants in fully edentulous jaws. METHODS: A total of 24 patients aged between 53 and 89 years received a total of 154 implants in their edentulous maxillae or mandibles. Among the implants, 45 were set in fresh extracted sockets and 109 in consolidated alveolar bones...
August 2016: Journal of Periodontal & Implant Science
Giulia Ghiacci, Gallia Graiani, Francesca Ravanetti, Simone Lumetti, Edoardo Manfredi, Carlo Galli, Antonio Cacchioli, Guido Maria Macaluso, Roberto Sala
PURPOSE: The aim of this study was to present new a model that allows the study of the bone healing process, with an emphasis on the biological behavior of different graft-to-host interfaces. A standardized "over-inlay" surgical technique combined with a differential histomorphometric analysis is presented in order to optimize the use of critical-size calvarial defects in pre-clinical testing. METHODS: Critical-size defects were created into the parietal bone of 8 male Wistar rats...
August 2016: Journal of Periodontal & Implant Science
Tae-Il Kim
No abstract text is available yet for this article.
August 2016: Journal of Periodontal & Implant Science
Byungjoon Jeong, Hyun-Tae Joo, Hyun-Seung Shin, Mi-Hwa Lim, Jung-Chul Park
PURPOSE: The aim of this study is to analyze and visualize the distribution of patients visiting the periodontology department at a dental college hospital, using a geographic information system (GIS) to utilize these data in patient care and treatment planning, which may help to assess the risk and prevent periodontal diseases. METHODS: Basic patient information data were obtained from Dankook University Dental Hospital, including the unit number, gender, date of birth, and address, down to the dong (neighborhood) administrative district unit, of 306,656 patients who visited the hospital between 2007 and 2014...
June 2016: Journal of Periodontal & Implant Science
Jin-Seok Jeong, Seung-Youp Lee, Moontaek Chang
PURPOSE: The aim of this study was to evaluate alterations of papilla dimensions after orthodontic closure of the diastema between maxillary central incisors. METHODS: Sixty patients who had a visible diastema between maxillary central incisors that had been closed by orthodontic approximation were selected for this study. Various papilla dimensions were assessed on clinical photographs and study models before the orthodontic treatment and at the follow-up examination after closure of the diastema...
June 2016: Journal of Periodontal & Implant Science
Pâmela Letícia Dos Santos, Rafael Scaf de Molon, Thallita Pereira Queiroz, Roberta Okamoto, Ana Paula de Souza Faloni, Jéssica Lemos Gulinelli, Eloá Rodrigues Luvizuto, Idelmo Rangel Garcia
PURPOSE: We sought to evaluate the effectiveness of bone substitutes in circumferential peri-implant defects created in the rabbit tibia. METHODS: Thirty rabbits received 45 implants in their left and right tibia. A circumferential bone defect (6.1 mm in diameter/4 mm depth) was created in each rabbit tibia using a trephine bur. A dental implant (4.1 mm × 8.5 mm) was installed after the creation of the defect, providing a 2-mm gap. The bone defect gaps between the implant and the bone were randomly filled according to the following groups: blood clot (CO), particulate Bio-Oss(®) (BI), and Bio-Oss(®) Collagen (BC)...
June 2016: Journal of Periodontal & Implant Science
Jung-Seok Lee, Hyun-Chang Lim, Min-Soo Kim, Seong-Ho Choi, Ui-Won Jung
PURPOSE: Decision-making by dental and medical experts can be influenced by their biases, interests, and experiences, and academic arguments about controversial issues may additionally be considered indirect experiences capable of affecting decision-making. This study reports on the use of interactive communication devices to evaluate preferences and flexibility in decision-making among dental care providers who attended two distinct academic conferences. METHODS: Two debates were presented by a team of two lecturers at two academic conferences (focusing on periodontology and implant dentistry, respectively) and the audience members of each session were surveyed...
June 2016: Journal of Periodontal & Implant Science
Tsutomu Sugiura, Kazuhiko Yamamoto, Satoshi Horita, Kazuhiro Murakami, Sadami Tsutsumi, Tadaaki Kirita
PURPOSE: This study investigated the effects of bone density and crestal cortical bone thickness at the implant-placement site on micromotion (relative displacement between the implant and bone) and the peri-implant bone strain distribution under immediate-loading conditions. METHODS: A three-dimensional finite element model of the posterior mandible with an implant was constructed. Various bone parameters were simulated, including low or high cancellous bone density, low or high crestal cortical bone density, and crestal cortical bone thicknesses ranging from 0...
June 2016: Journal of Periodontal & Implant Science
Nicola Alberto Valente, Sebastiano Andreana
Peri-implant disease is a serious problem that plagues today's dentistry, both in terms of therapy and epidemiology. With the expansion of the practice of implantology and an increasing number of implants placed annually, the frequency of peri-implant disease has greatly expanded. Its clinical manifestations, in the absence of a globally established classification, are peri-implant mucositis and peri-implantitis, the counterparts of gingivitis and periodontitis, respectively. However, many doubts remain about its features...
June 2016: Journal of Periodontal & Implant Science
Tae-Il Kim
No abstract text is available yet for this article.
June 2016: Journal of Periodontal & Implant Science
Young-Dan Cho, Sungtae Kim, Ki-Tae Koo, Yang-Jo Seol, Yong-Moo Lee, In-Chul Rhyu, Young Ku
PURPOSE: This article describes a case of the successful non-surgical management of a periodontally compromised maxillary premolar. METHODS: A combination therapy, including root planing, occlusal adjustment, and tooth splinting, was applied. Clinical and radiographic examinations were performed during the 16-month follow-up period. RESULTS: All periodontal parameters were improved. There were dramatic decreases (3-6 mm) in the probing pocket depth, tooth mobility, and marginal bone loss...
April 2016: Journal of Periodontal & Implant Science
Se-Ryong Kang, Sung-Chul Bok, Soon-Chul Choi, Sam-Sun Lee, Min-Suk Heo, Kyung-Hoe Huh, Tae-Il Kim, Won-Jin Yi
PURPOSE: The objective of this study was to investigate the relationships between primary implant stability as measured by impact response frequency and the structural parameters of trabecular bone using cone-beam computed tomography(CBCT), excluding the effect of cortical bone thickness. METHODS: We measured the impact response of a dental implant placed into swine bone specimens composed of only trabecular bone without the cortical bone layer using an inductive sensor...
April 2016: Journal of Periodontal & Implant Science
Min-Jeong Ko, Chan-Myung Cho, Seong-Nyum Jeong
PURPOSE: The aim of this study was to evaluate and compare tooth surface characteristics in extracted human molars after cervical enamel projections (CEPs) were removed with the use of three rotating instruments. METHODS: We classified 60 extracted molars due to periodontal lesion with CEPs into grade I, II, or III, according to the Masters and Hoskins' criteria. Each group contained 20 specimens. Three rotating instruments were used to remove the CEPs: a piezoelectric ultrasonic scaler, a periodontal bur, and a diamond bur...
April 2016: Journal of Periodontal & Implant Science
Hun-Mu Yang, Jung-Yul Cha, Ki-Seok Hong, Jong-Tae Park
PURPOSE: Stress distribution and mandible distortion during lateral movements are known to be closely linked to bruxism, dental implant placement, and temporomandibular joint disorder. The present study was performed to determine stress distribution and distortion patterns of the mandible during lateral movements in Class I, II, and III relationships. METHODS: Five Korean volunteers (one normal, two Class II, and two Class III occlusion cases) were selected. Finite element (FE) modeling was performed using information from cone-beam computed tomographic (CBCT) scans of the subjects' skulls, scanned images of dental casts, and incisor movement captured by an optical motion-capture system...
April 2016: Journal of Periodontal & Implant Science
Umut Balli, Burcu Ozkan Cetinkaya, Gonca Cayir Keles, Zeynep Pinar Keles, Sevki Guler, Mehtap Unlu Sogut, Zuleyha Erisgin
PURPOSE: The objective of this study was to investigate the effect of a dietary flavonoid, kaempferol, which has been shown to possess antiallergic, anti-inflammatory, anticarcinogenic, and antioxidant activities on the periodontium by histomorphometric analysis and on gingival tissue matrix metalloproteinase-1 (MMP-1), MMP-8, and tissue inhibitor of metalloproteinase-2 (TIMP-2) by biochemical analysis of rats after experimental periodontitis induction. METHODS: Sixty Wistar rats were randomly divided into six groups of ten rats each, and silk ligatures were placed around the cervical area of the mandibular first molars for 15 days, except in the healthy control rats...
April 2016: Journal of Periodontal & Implant Science
Jan Oliver Voss, Tobias Dieke, Christian Doll, Claudia Sachse, Katja Nelson, Jan-Dirk Raguse, Susanne Nahles
PURPOSE: The goal of this study was to evaluate the long-term success of horizontal alveolar crest augmentation of the retromolar region of the mandible with particulated bone, as well as factors affecting subsequent peri-implant bone loss. METHODS: A total of 109 patients (68 female, 41 male) suffering from alveolar ridge deficiencies of the maxilla and mandible were included in this study. All patients were treated with particulated retromolar bone grafts from the mandible prior to the insertion of endosseous dental implants...
April 2016: Journal of Periodontal & Implant Science
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