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Immediate implant placement

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https://www.readbyqxmd.com/read/28212452/bone-to-implant-contact-and-new-bone-formation-within-human-freeze-dried-bone-blocks-grafted-over-rabbit-calvaria
#1
Zvi Artzi, Karen Anavi-Lev, Avital Kozlovsky, Liat Chaushu, Frank Schwarz, Haim Tal
PURPOSE: To assess the extent of osseointegration with rough-surface implants and new bone formation (NBF) within human freeze-dried bone blocks (h-FDB) grafted over rabbit calvaria. MATERIALS AND METHODS: A total of 18 rectangular h-FDB blocks were stabilized bilaterally to the calvaria of nine New Zealand rabbits by two mini titanium screws each. A total of 18 rough-surface implants (5.0 × 6.0-mm) were placed, 9 simultaneously (immediate placement [IP]) on one side and 9 at 3 months after block grafting (delayed placement [DP]) on the contralateral side...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28204930/immediate-nipple-reconstruction-during-implant-based-breast-reconstruction
#2
Ki Yong Hong, Young-Eun Kim, Kyung Won Minn, Ung Sik Jin
BACKGROUND: Nipple reconstruction is usually performed as a separate procedure, several months after the primary breast reconstruction. This study compared the outcomes of immediate and delayed nipple reconstructions during implant-based breast reconstructions. METHODS: A retrospective review was conducted of patients who underwent nipple reconstruction, after implant-based breast reconstruction, between September 2014 and August 2015. The nipple was simultaneously reconstructed following tissue expander removal and implant placement...
February 15, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28199931/a-personalized-3d-printed-prosthetic-joint-replacement-for-the-human-temporomandibular-joint-from-implant-design-to-implantation
#3
David C Ackland, Dale Robinson, Michael Redhead, Peter Vee Sin Lee, Adrian Moskaljuk, George Dimitroulis
Personalized prosthetic joint replacements have important applications in cases of complex bone and joint conditions where the shape and size of off-the-shelf components may not be adequate. The objective of this study was to design, test and fabricate a personalized 3D-printed prosthesis for a patient requiring total joint replacement surgery of the temporomandibular joint (TMJ). The new 'Melbourne' prosthetic TMJ design featured a condylar component sized specifically to the patient and fixation screw positions that avoid potential intra-operative damage to the mandibular nerve...
February 6, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28198561/nursing-home-use-after-implantable-cardioverter-defibrillator-implantation-in-older-adults-results-from-the-national-cardiovascular-data-registry
#4
Daniel B Kramer, Matthew R Reynolds, Sharon-Lise Normand, Craig S Parzynski, John A Spertus, Vincent Mor, Susan L Mitchell
OBJECTIVES: To evaluate the incidence and characteristics of nursing home (NH) use after implantable cardioverter-defibrillator (ICD) implantation. DESIGN: Cohort study. SETTING: Medicare beneficiaries in the National Cardiovascular Data Registry-ICD Registry. PARTICIPANTS: Individuals aged 65 and older receiving ICDs between January 1, 2006, and March 31, 2010 (N = 192,483). MEASUREMENTS: Proportion of ICD recipients discharged to NHs directly after device placement, cumulative incidence of long-term NH admission, and factors associated with immediate discharge to a NH and time to long-term NH admission...
February 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28186473/minimally-invasive-scoliosis-surgery-assisted-by-o-arm-navigation-for-lenke-type-5c-adolescent-idiopathic-scoliosis-a-comparison-with-standard-open-approach-spinal-instrumentation
#5
Weiguo Zhu, Weixiang Sun, Leilei Xu, Xu Sun, Zhen Liu, Yong Qiu, Zezhang Zhu
OBJECTIVE Recently, minimally invasive scoliosis surgery (MISS) was introduced for the correction of adult scoliosis. Multiple benefits including a good deformity correction rate and fewer complications have been demonstrated. However, few studies have reported on the use of MISS for the management of adolescent idiopathic scoliosis (AIS). The purpose of this study was to investigate the outcome of posterior MISS assisted by O-arm navigation for the correction of Lenke Type 5C AIS. METHODS The authors searched a database for all patients with AIS who had been treated with either MISS or PSF between November 2012 and January 2014...
February 10, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28185409/a-retrospective-study-on-1592-consecutively-performed-operations-in-one-private-referral-clinic-part-i-early-inflammation-and-early-implant-failures
#6
Hadi Antoun, Michel Karouni, Jérémy Abitbol, Ons Zouiten, Torsten Jemt
BACKGROUND: Few large-scale follow-up studies are reported on routine implant treatment. PURPOSE: To report retrospective data on early inflammatory and early implant failures in a large number of routine patients at one private referral clinic. MATERIALS AND METHODS: A total of 1017 patients were consecutively provided with 3082 implants with an anodized surface (Nobel Biocare AB) at 1592 implant operations between 2000 and 2011. All patients reported with mucosa inflammation and bone loss and/or implant failures to the first annual examination were identified...
February 10, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28181688/dental-implants-and-bone-augmentation-in-hiv-infected-patients-under-haart-case-report-and-review-of-the-literature
#7
Fábio Vidal, Rafael Vidal, Jeter Bochnia, Rodrigo Carvalho de Souza, Lucio Souza Gonçalves
The present study reviewed the literature regarding dental implants in HIV-infected patients and reports the long-term follow-up of three clinical cases of patients under HAART that received bone augmentation and dental implants. The first case presents a young patient with a large defect in the mandible, as a consequence of a longitudinal fracture, that was treated with guided bone regeneration (GBR) previously to implant placement. The second case reported is middle-aged man with a fractured upper lateral incisor treated with immediate placement and simultaneous GBR to repair the dehiscence due to the buccal bone resorption...
February 9, 2017: Special Care in Dentistry
https://www.readbyqxmd.com/read/28168901/graft-free-maxillary-sinus-floor-elevation-a-systematic-review-and-meta-analysis
#8
Deng-Hui Duan, Jia-Hui Fu, Wei Qi, Yi Du, Jie Pan, Hom-Lay Wang
AIM: This systematic review and meta-analysis aimed to investigate survival rates of dental implants (ISR) placed simultaneously with graft-free maxillary sinus floor elevation. Factors influencing the amount of vertical bone gain (VBG), protruded implant length in sinus at follow-up (PILf), and peri-implant marginal bone loss (MBL) were also evaluated. METHODS: An electronic and manual search for human clinical studies on simultaneous implant placement and graft-free maxillary sinus floor elevation using the lateral window or transcrestal approach, published in the English language from January 1976 to March 2016, was conducted...
February 7, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28168242/does-implant-design-affect-primary-stability-in-extraction-sites
#9
Matthias Karl, Ainara Irastorza-Landa
OBJECTIVE: Immediate implant placement and restoration following tooth extraction is desirable for shortening treatment times and maintaining oral structures. With a variety of bone-level implants available on the market, the goal of this in-vitro study was to compare different implant designs. METHOD AND MATERIALS: Using a polyurethane foam sandwich model with an intermediate cortical layer, a standardized extraction socket model was created. The following implant systems were assessed: OsseoSpeed EV (Astra), Straumann Bone Level Tapered (BLT), and Nobel Active (NA)...
February 6, 2017: Quintessence International
https://www.readbyqxmd.com/read/28156125/cell-adhesion-to-acrylic-custom-provisional-abutment-placed-on-an-immediate-implant-a-case-report
#10
Hanae Saito, Ru-Ching Hsia, Dennis P Tarnow, Mark A Reynolds
This article presents the results of a scanning electron microscope (SEM) analysis of the surface of an acrylic custom provisional abutment following first disconnection from a post-extraction immediate implant placement. An implant was placed immediately after extraction, the site was grafted, and a barrier membrane was adapted for graft containment. A custom acrylic shell was then relined, polished, and steam-cleaned prior to being screwed onto the implant. After 5 months of undisturbed healing, the custom provisional abutment was disconnected for the first time and processed for SEM examination...
February 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28154996/early-bone-formation-around-immediately-loaded-implants-with-nanostructured-calcium-incorporated-and-machined-surface-a-randomized-controlled-histologic-and-histomorphometric-study-in-the-human-posterior-maxilla
#11
Francesco Guido Mangano, Giovanna Iezzi, Jamil Awad Shibli, Jefferson Trabach Pires, Giuseppe Luongo, Adriano Piattelli, Carlo Mangano
OBJECTIVE: The aim of this randomized, controlled histologic/histomorphometric study was to compare the early bone formation around immediately loaded implants with nanostructured calcium-incorporated (NCI) and machined (MA) surface, placed in the human posterior maxilla. MATERIALS AND METHODS: Fifteen fully edentulous patients (six males; nine females; mean age 57.9 ± 6.7 years) were selected for this study. Each patient was installed with two temporary transmucosal implants, with different surfaces: one NCI (test) and one MA (control) implant...
February 2, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28150188/customized-smartpeg-for-measurement-of-resonance-frequency-of-mini-dental-implants
#12
Jagjit Singh Dhaliwal, Rubens F Albuquerque, Ali Fakhry, Sukhbir Kaur, Jocelyne S Feine
BACKGROUND: One-piece narrow diameter implants (NDIs) have been recommended as "Single-tooth replacements in the anterior zones, single posterior, multiple-unit fixed dental prosthesis (FDP), edentulous jaws to be rehabilitated with FDP, and edentulous jaws rehabilitation with overdentures in situations with reduced mesiodistal space or reduced ridge width." (ITI consensus 2013). Since NDIs can be immediately loaded, it is important to be able to carry out stability testing. We developed and validated a customized SmartPeg for this type of implant to measure the Implant Stability Quotient (ISQ)...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28149455/the-influence-of-length-of-implant-on-primary-stability-an-in-vitro-study-using-resonance-frequency-analysis
#13
Anwar B Bataineh, Ala M Al-Dakes
BACKGROUND: Primary stabilityis not sufficientin less contact area between the implant and bone, the healing process because will be disrupted due to micro-motions and fibrous tissue affects osseointegration. MATERIAL AND METHODS: We implemented an in vitro experimental study of total 135 XiVE® implants were inserted in 22.5 bovine cow ribs with bone quality similar to a type IV human bone. Each rib end received a group of three different implant lengths, which were 8mm, 13mm and 15mm and had the same diameter 3...
January 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28139423/outpatient-template-guided-permanent-interstitial-brachytherapy-using-131-cs-in-gynecologic-malignancies-initial-report
#14
Jonathan Feddock, Prakash Aryal, Cole Steber, Jason Edwards, Dennis Cheek, Marcus Randall
PURPOSE: Optimal curative intent brachytherapy for certain gynecologic cancers requires interstitial brachytherapy, often using template-guided techniques such as a Syed-Neblett implant. Whether high or low dose rate (LDR), these procedures pose significant risks to patients, partly attributable to the prolonged period of bed rest. Published results of free-handed permanent interstitial brachytherapy (PIB) with (131)Cs demonstrate it to be an effective modality for the management of small volume gynecologic cancers...
January 27, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28133220/-a-case-of-her2-positive-breast-cancer-treated-with-nipple-sparing-mastectomywith-immediate-reconstruction-using-a-tissue-expander-after-nab-paclitaxel-combined-with-chemotherapy
#15
Ayami Nonomura, Naoki Aomatsu, Seika Tei, Goichi Haraoka, Gen Tsujio, Yoshihito Yamakoshi, En Wang, Daisuke Nagashima, Toshiki Hirakawa, Takehiko Iwauchi, Takafumi Nishii, Junya Morimoto, Kazunori Nakazawa, Yasutake Uchima, Kazuhiro Takeuchi
A 59-year-old woman presented to our hospital with a mass in her left breast. Mammography and ultrasound showed a 9 ×11×12mm mass in her left breast, and left axillary lymph adenopathy. Core needle biopsy and pathological examination confirmed the diagnosis of ER-negative, PgR-negative, HER2-positive invasive ductal carcinoma with axillary lymph metastasis. Dynamic computed tomography(CT)and bone scintigraphy showed no metastasis. A diagnosis ofbreast cancer with stage II A(T1N1M0)was made, and we started neoadjuvant chemotherapy...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133036/-consideration-of-safety-of-implant-based-breast-reconstruction-with-postreconstruction-radiotherapy-for-breast-cancer
#16
Naoki Aomatsu, Seika Tei, Goichi Haraoka, Gen Tsujio, Yoshihito Yamakoshi, En Wang, Daisuke Nagashima, Toshiki Hirakawa, Takehiko Iwauchi, Takafumi Nishii, Junya Morimoto, Kazunori Nakazawa, Yasutake Uchima, Kazuhiro Takeuchi
: There is controversy as to whether immediate autologous breast reconstruction followed by postoperative radiotherapy has acceptable complications and aesthetic outcomes. PURPOSE: To evaluate the interval between surgery and adjuvant chemotherapy and radiation in patients treated with mastectomy and immediate expander-implant reconstruction, and to evaluate locoregional and distant control and cosmesis in these patients. METHODS AND MATERIALS: Between 2011 and 2015, 9 patients with breast cancer were treated at our institution with definitive mastectomy and axillary lymph node dissection followed by immediate tissue expander placement and postreconstruction radiotherapy...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28132525/influence-of-custom-made-implant-designs-on-the-biomechanical-performance-for-the-case-of-immediate-post-extraction-placement-in-the-maxillary-esthetic-zone-a-finite-element-analysis
#17
Jianyu Chen, Zhiguang Zhang, Xianshuai Chen, Xiao Zhang
Due to the increasing adoption of immediate implantation strategies and the rapid development of the computer aided design/computer aided manufacturing technology, a therapeutic concept based on patient-specific implant dentistry has recently been reintroduced by many researchers. However, little information is available on the designs of custom-made dental implant systems, especially their biomechanical behavior. The influence of the custom-made implant designs on the biomechanical performance for both an immediate and a delayed loading protocol in the maxillary esthetic zone was evaluated by means of the finite element (FE) method...
January 29, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28118662/a-mouse-model-of-chronic-ocular-hypertension-induced-by-circumlimbal-suture
#18
Hsin-Hua Liu, John G Flanagan
Purpose: To develop a chronic ocular hypertension mouse model by inducing intraocular pressure (IOP) elevation using a suture technique previously developed for rats. Methods: C57BL/6 mice were given monocular circumlimbal suture (10/0) placement under anesthesia (ketamine/xylazine). The suture was left in place for 12 weeks (n = 10). A control group had the same treatment while it was removed after day 1 (n = 10). Intraocular pressure, electroretinogram (ERG), and optical coherence tomography (OCT) were measured in both groups for 12 weeks...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28110971/risk-factors-mortality-and-timing-of-ischemic-and-hemorrhagic-stroke-with-left-ventricular-assist-devices
#19
Jennifer A Frontera, Randall Starling, Sung-Min Cho, Amy S Nowacki, Ken Uchino, M Shazam Hussain, Maria Mountis, Nader Moazami
BACKGROUND: Stroke is a major cause of mortality after left ventricular assist device (LVAD) placement. METHODS: Prospectively collected data of patients with HeartMate II (n = 332) and HeartWare (n = 70) LVADs from October 21, 2004, to May 19, 2015, were reviewed. Predictors of early (during index hospitalization) and late (post-discharge) ischemic and hemorrhagic stroke and association of stroke subtypes with mortality were assessed. RESULTS: Of 402 patients, 83 strokes occurred in 69 patients (17%; 0...
December 23, 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28102158/use-of-trabecular-titanium-implants-for-primary-hip-arthroplasty
#20
Paweł Kamiński, Jakub Szmyd, Jarosław Ambroży, Wojciech Jurek, Jerzy Mirosław Jaworski
BACKGROUND: Total hip arthroplasty is an increasingly common procedure. The large number of cases inevitably includes patients who require filling of their acetabular defect even in their primary surgery. The use of a utogenous grafts and allografts as well as resistance rings requires patients to avoid loading the limb for a long time to enable implant integration. This disadvantage may be partially eliminated by using trabecular titanium implants. The aim of this paper is to present the outcomes of the use of trabecular titanium implants in primary hip arthroplasty...
October 28, 2016: Ortopedia, Traumatologia, Rehabilitacja
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