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Implant Dentistry

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https://www.readbyqxmd.com/read/28301383/radiographic-and-histological-evaluation-of-the-healing-of-extraction-sockets-filled-with-bovine-derived-xenograft-an-experimental-study-in-rats
#1
Fengjuan Zhou, Xiaofei Zheng, Meng Xie, Anchun Mo, Hongkun Wu
AIM: To evaluate the microenvironment changes in the sockets substituted with bovine-derived xenografts during the early healing period. MATERIALS AND METHODS: After extraction of the right maxillary incisor of Sprague Dawley rats, 48 rats were randomly divided into 2 groups. The extraction sockets of the test group were filled with Bio-Oss, whereas the control group was allowed to heal without intervention. The bone quality of the extraction sockets was observed through micro-CT and immunohistochemistry...
March 15, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28288021/sinus-membrane-elevation-by-the-crestal-approach-using-a-novel-drilling-system
#2
Young-Kyun Kim, Ji-Young Lee, Jin-Woo Park, Su-Gwan Kim, Ji-Su Oh
PURPOSE: The purpose of this study was to evaluate the clinical outcomes of patients undergoing sinus membrane elevation by a minimally invasive crestal approach using a novel drilling system. MATERIALS AND METHODS: From May 2008 to November 2009, 21 implants were placed in 19 patients (10 men and 9 women) ranging from 23 to 69 years of age (average of 49.5 years). Implants were placed in maxillary premolar and molar areas that demonstrated insufficient residual bone quality; maxillary sinus membrane elevation was performed using a crestal approach with the sinus crestal approach kit (Neobiotech, Seoul, Korea)...
March 10, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28248689/microleakage-at-different-implant-abutment-connections-under-unloaded-and-loaded-conditions
#3
João Paulo da Silva-Neto, Marcel Santana Prudente, Talita Souza Dantas, Plinio Mendes Senna, Ricardo Faria Ribeiro, Flávio Domingues das Neves
PURPOSE: This study evaluated the microleakage at different implant-abutment (I-A) connections under unloaded and loaded conditions. MATERIALS AND METHODS: Forty implants, specially designed with an opening at the apex, were grouped according to the I-A and screw device: external hexagon implants with titanium (EH) or EH diamond-like carbon screws fixing the abutment; internal hexagon implants with titanium screws (IH); and Morse taper implants with solid (MT) or MT passing screws (MTps) abutments...
February 28, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28234707/osseointegration-of-titanium-implants-with-different-rough-surfaces-a-histologic-and-histomorphometric-study-in-an-adult-minipig-model
#4
Massimo Del Fabbro, Silvio Taschieri, Elena Canciani, Alessandro Addis, Federica Musto, Roberto Weinstein, Claudia Dellavia
BACKGROUND: Many chemical and physical modifications of titanium surfaces were introduced, aiming at improving surface bioactivity, but few comparative evidence exists. OBJECTIVE: To evaluate histologically in minipigs the osseointegration of implants made of commercially pure (CP) titanium or titanium alloy, treated by different roughening procedures. MATERIAL AND METHODS: Three sandblasted acid-etched (SA) surfaces, 2 anodized (AN), and 1 double acid-etched (DAE) were compared...
February 23, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28157816/synthesis-and-characterization-of-%C3%AE-tricalcium-phosphate-derived-from-haliotis-sp-shells
#5
Kyeong-Rok Kang, Zheng-Gang Piao, Jae-Sung Kim, In-A Cho, Min-Ji Yim, Bok-Hee Kim, Ji-Su Oh, Jun Sik Son, Chun Sung Kim, Do Kyung Kim, Sook-Young Lee, Su-Gwan Kim
PURPOSE: To develop a methodology for the synthesis of β-tricalcium phosphate (β-TCP, Ca3(PO4)2) from the shell of Haliotis sp. (abalone shell) and to verify its characterization and biocompatibility. MATERIALS AND METHODS: Calcium oxide (CaO) was synthesized from abalone shell by sintering and was suspended in distilled water to prepare calcium hydroxide (Ca(OH)2). For the synthesis of calcium carbonate (CaCO3), carbon dioxide was used to infuse Ca(OH)2 at pH 7...
February 2, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28157815/resistance-of-mandibular-polyurethane-replicas-to-fracture-after-removal-of-blocks-from-the-symphysis-and-ramus
#6
Mohanad Al-Sabbagh, Georgios Romanos, Scott R Price, David A Puleo, Fonda G Robinson, Mark V Thomas
BACKGROUND: When block grafts are harvested intraorally, the donor sites may act as stress concentrators and alter the structural integrity of the mandible. PURPOSE: The study aimed to compare displacement and load failure between intact polyurethane mandibular replicas and similar replicas from which blocks were taken at the symphysis or the ramus. It also aimed to identify trends of load failure. MATERIALS AND METHODS: Thirty-five mandibular replicas were tested to failure with an electromagnetic material testing unit...
February 2, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28125517/efficacy-of-cone-beam-computed-tomography-in-evaluating-bone-quality-for-optimum-implant-treatment-planning
#7
Jie Liu, Huan-Yu Chen, Hamza DoDo, Hadil Yousef, Allen R Firestone, Jahanzeb Chaudhry, William M Johnston, Damian J Lee, Hany A Emam, Do-Gyoon Kim
PURPOSE: This study examined (1) if cone-beam computed tomography (CBCT) can determine relative differences in bone mineral density distribution using clinical images of patients' mandibular bone and (2) if the relative differences can be used to detect the effects of sex and age on bone mineral density distribution. MATERIALS AND METHODS: Sixty-six clinical CBCT images from patients (36 females and 30 males) of 3 age groups (40, 50, and 60 years) were identified...
January 25, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28114265/randomized-controlled-trial-comparing-the-effects-of-2-analgesic-drug-protocols-in-patients-who-received-5-dental-implants
#8
Isaac Fernando Meta, Miriam Bermolen, Ricardo Macchi, Jorge Aguilar
PURPOSE: This randomized controlled trial compares postoperative pain and swelling after placing dental implants in patients treated with nonsteroidal anti-inflammatory drugs (NSAIDs) versus NSAIDs and corticosteroids. MATERIALS AND METHODS: Thirty patients received 5 dental implants each in the interforaminal region of the mandible. All patients were treated with ketorolac tromethamine 10 mg, 2 tablets daily for 2 days and amoxicillin 500 mg, 3 tablets daily for 7 days starting 24 hours before surgery...
January 19, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28319535/validation-of-therapeutic-anatomy-oriented-classification-in-endosseous-dental-implant-treatment-a-pilot-study
#9
Marius Kubilius, Yagmur Deniz Ilarslan, Tolga F Tözüm, Hom-Lay Wang, Ričardas Kubilius, Gintaras Juodzbalys
BACKGROUND: The purpose of the study was to validate a newly proposed therapeutic anatomically based clinical and radiological classification for dental implant treatment. METHODS: Eighty-one patients with at least 1 edentulous jaw segment (EJS) from 2 dental clinics were included in this study. Both clinical and radiological parameters were assessed in aesthetic and nonaesthetic zones. The data were then compared at preoperative, intraoperative, and postoperative (subdivided into early and late stage) study stages...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28319534/maxillary-sinus-revisited
#10
Morton L Perel
No abstract text is available yet for this article.
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28301385/histological-and-histomorphometrical-determination-of-the-biogradation-of-%C3%AE-tricalcium-phosphate-granules-in-maxillary-sinus-floor-augmentation-a-prospective-observational-study
#11
Tsuneji Okada, Toru Kanai, Noriko Tachikawa, Motohiro Munakata, Shohei Kasugai
INTRODUCTION: We have recently used highly pure β-TCP (beta-tricalcium phosphate) as the bone grafting material to avoid highly invasive autogenous bone grafting. We evaluated the osseoconduction potential of highly pure β-TCP in sinus augmentation surgery treatment. MATERIALS AND METHODS: The study group comprised 13 patients who underwent maxillary sinus floor augmentation with β-TCP alone. Seven patients underwent sinus augmentation and implant placement simultaneously...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28301384/the-effects-of-hierarchical-micro-nano-structured-titanium-surface-on-osteoblast-proliferation-and-differentiation-under-diabetic-conditions
#12
Huanhuan Jiang, Xiang Ma, Wenjuan Zhou, Kai Dong, Xiaohui Rausch-Fan, Shutai Liu, Shu Li
PURPOSE: The aim of the present study was to mimic the hierarchical structure of bone tissues by simple sandblasting/acid-etching and anodization to investigate the effects of such surface characteristics on proliferation and differentiation of osteoblasts in high glucose concentrations. By the way, the effects of high glucose levels on osteoblast functions were tested. METHODS: MC3T3-E1 cells cultured on sand-blasted and acid-etched (SLA) surface and nano-modified SLA (NMSLA) surface were subjected to normal serum (NS) and diabetic serum (DS), respectively...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28301382/long-noncoding-rna-sponges-mir-454-to-promote-osteogenic-differentiation-in-maxillary-sinus-membrane-stem-cells
#13
Junquan Weng, Wei Peng, Shuangxi Zhu, Songling Chen
OBJECTIVE: Although increasing evidence has shown that long noncoding RNAs (lncRNAs) play an important regulatory role in pluripotency and differentiation of mesenchymal stem cells, little is known about the role of lncRNA in maxillary sinus membrane stem cells (MSMSCs). The goal of this study was to investigate the expression profile and function of lncRNAs on osteogenic differentiation of MSMSCs. MATERIALS AND METHODS: By using lncRNA microarray, we identify a novel osteogenesis differentiation-related lncRNA of MSMSCs (lncRNA-MODR)...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28288022/bone-healing-evaluation-in-critical-size-defects-treated-with-xenogenous-bone-plus-porcine-collagen
#14
Juceléia Maciel, Gustavo Antonio Correa Momesso, Gabriel Ramalho-Ferreira, Renata Bianco Consolaro, Paulo Sérgio Perri de Carvalho, Leonardo Perez Faverani, Ana Paula Farnezi Bassi
PURPOSE: This study aimed to evaluate the osteoconductive features of Bio-Oss Collagen in large critical-size defects (8 mm). MATERIALS AND METHODS: Thirty-six adult Wistar Albinus male adult rats were carried out a critical-size defect with a trephine bur of 8 mm in the calvaria. Groups were divided depending on the filling biomaterial as follows: group BO: Bio-Oss (n = 18); group BOC: Bio-Oss Collagen (n = 18). After 7, 30, and 60 days, 6 rats of each group were euthanized with anesthetic overdose...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28240608/evaluation-of-extraction-site-dimensions-and-density-using-computed-tomography-treated-with-different-graft-materials-a-preliminary-study
#15
Filiz Hyusein Cavdar, Huseyin Gencay Keceli, Hasan Hatipoglu, Burak Demiralp, Feriha Caglayan
PURPOSE: The preliminary human study was designed to evaluate extraction site changes using CT after socket preservation (SP) with different materials. MATERIALS AND METHODS: Fifty-two sockets from 17 Turkish individuals (8 women and 9 men; mean age 44.70 ± 9.99 years) localized at the maxillary anterior area were treated with demineralized bone matrix + collagen membrane (CM) (N = 14), hydroxyapatite bone substitute (HBS) + CM (N = 14), CM (N = 13), or left empty (N = 11)...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28234709/surgical-and-patient-factors-affecting-marginal-bone-levels-around-dental-implants-a-comprehensive-overview-of-systematic-reviews
#16
Miriam Ting, Matthew S Tenaglia, Gary H Jones, Jon B Suzuki
OBJECTIVES: The objective of this systematic review was to perform a comprehensive overview of systematic reviews and meta-analyses of surgical and patient factors affecting marginal bone loss around osseointegrated dental implants in humans. MATERIAL AND METHODS: Electronic databases were searched for systematic reviews and meta-analyses published up to November 2015. RESULTS: Of the 41 articles selected, 11 evaluated implant factors, 10 evaluated patient factors, 19 evaluated surgical protocol-related factors, and one evaluated all three factors...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28234708/the-palatal-window-for-treating-an-incompletely-augmented-maxillary-sinus
#17
Salvatore Florio, Takanori Suzuki, Sang-Choon Cho
Maxillary sinus augmentation through a lateral window is reported as one of the most predictable bone augmentation procedures before implant placement. The elevation of the membrane represents a delicate and crucial step that allows the creation of the space for the bone graft material. If the elevation is not completed, the regenerated bone might be inadequate for the implant placement. In this case, a new intervention will be necessary to complete the bone augmentation. Reaccessing from a lateral window, however, would be challenging due to thickness of the buccal boney wall because of the first grafting procedure; therefore, a different approach has to be used...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28207599/long-term-implant-survival-after-100-maxillary-sinus-augmentations-using-plasma-rich-in-growth-factors
#18
Ismael Khouly, Simón Pardiñas López, Ignacio Aliaga, Stuart J Froum
PURPOSE: To identify determinants of long-term implant survival after sinus augmentation procedure (SAP) using a combination of plasma rich in growth factors (PRGF) and graft material. MATERIALS AND METHODS: Patients were included in this retrospective study if they underwent SAP through a lateral wall approach using PRGF in combination with mainly xenograft, and received implants restored for at least 1 year. Sociodemographic, behavioral and implant characteristics (clinical factors, implant details, surgical details, prosthesis details, and complications) were analyzed...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28207598/newly-formed-bone-induced-by-recombinant-human-bone-morphogenetic-protein-2-a-histological-observation
#19
Azumi Hirata, Takaaki Ueno, Peter K Moy
PURPOSE: To observe, histologically, bone induced by recombinant human bone morphogenetic protein-2 (rhBMP-2) in onlay grafted and sinus lifted alveolaris. MATERIAL AND METHODS: Eighteen patients were treated with rhBMP-2 at concentration 1.5 mg/mL with an absorbable collagen sponge (ACS). The treated bone was harvested with small trephine bur at 5 or 7 months after surgery for the micro Computer Scanning (CT) and light microscopic observation. RESULTS: Micro CT showed clearly 3-dimensional trabecular bone structure...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28207597/implant-anchorage-in-the-nasopalatine-canal-for-the-rehabilitation-of-severely-atrophic-maxilla
#20
Pâmela Leticia Dos Santos, Gustavo Henrique Souza Silva, Raquel Damazia da Silva, Fernanda Rayssa Da Silva Pereira, Jéssica Lemos Gulinelli
PURPOSE: This study aimed to describe the clinical case of implant placement in the nasopalatine canal as an aid for atrophic maxilla rehabilitation. CASE REPORT: The surgical procedure was carried out in 2 stages, the first part consisted of a surgery to lift the maxillary sinus membrane associated with the xenogeneic bone placement and the second part consisted of the surgery for the implants placement, both under local anesthesia. A number of seven osseointegrated implants were placed in the maxilla, one was anchored in the nasopalatine canal region after having its neurovascular content emptied by means of the use of drill threads of the implant system...
April 2017: Implant Dentistry
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