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https://www.readbyqxmd.com/read/28748047/immediate-vs-delayed-endosseous-integration-of-maxi-implants-a-torque-removal-animal-study
#1
Hanif Allahbakhshi, Fariborz Vafaee, Mehrdad Lotfazar, Ahmad Hasan Ahangary, Masoumeh Khoshhal, Farnoush Fotovat
Background. Delayed loading is one of the concerns in implant patients. Immediate loading can solve the problem and make patients more satisfied. The present study aimed to compare the removal torque of maxi implants under different loading (immediate and delayed) patterns. Methods. This split-mouth experimental study included 2 dogs. Impressions were made and then all the premolars were extracted under general anesthesia. After a three-month healing period, 3 implants were inserted in each quadrant (a total of 12 implants)...
2017: Journal of Dental Research, Dental Clinics, Dental Prospects
https://www.readbyqxmd.com/read/28747761/bmp2-modified-injectable-hydrogel-for-osteogenic-differentiation-of-human-periodontal-ligament-stem-cells
#2
Seung Hun Park, Jin Seon Kwon, Byeong Sung Lee, Ji Hoon Park, Bo Keun Lee, Jeong-Ho Yun, Bun Yeoul Lee, Jae Ho Kim, Byoung Hyun Min, Tae Hyeon Yoo, Moon Suk Kim
This is the first report on the development of a covalently bone morphogenetic protein-2 (BMP2)-immobilized hydrogel that is suitable for osteogenic differentiation of human periodontal ligament stem cells (hPLSCs). O-propargyl-tyrosine (OpgY) was site-specifically incorporated into BMP2 to prepare BMP2-OpgY with an alkyne group. The engineered BMP2-OpgY exhibited osteogenic characteristics after in vitro osteogenic differentiation of hPLSCs, indicating the osteogenic ability of BMP2-OpgY. A methoxy polyethylene glycol-(polycaprolactone-(N3)) block copolymer (MC-N3) was prepared as an injectable in situ-forming hydrogel...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28747617/prolonged-infection-at-the-tibial-bone-tunnel-after-anterior-cruciate-ligament-reconstruction
#3
Hironori Numazaki, Hideo Kobayashi, Katsuhiro Yoshida, Michiyuki Hakozaki, Shin-Ichi Konno
A 24-year-old man with severe atopic dermatitis underwent anterior cruciate ligament (ACL) reconstruction of the right knee seven years earlier but developed a surgical site infection. The infection did not heal after removal of the metal implants, and a fistula eventually developed. This condition was left untreated for six years before he was referred to our hospital. Magnetic resonance imaging showed fluid in the tibial bone tunnel and extensive bone marrow edema surrounding the bone tunnel. Based on these findings, abscess formation within the tibial bone tunnel and osteomyelitis spreading to the proximal tibia were suspected...
July 26, 2017: Fukushima Journal of Medical Science
https://www.readbyqxmd.com/read/28746239/late-surgical-site-infection-in-immediate-implant-based-breast-reconstruction
#4
Fabio Caviggioli, Francesco Klinger, Andrea Lisa, Monica Vappiani, Valeriano Vinci, Marco Klinger
No abstract text is available yet for this article.
July 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28746140/are-there-3d-changes-in-spine-and-rod-shape-in-the-2-years-after-adolescent-idiopathic-scoliosis-instrumentation
#5
Franck Le Navéaux, Hubert Labelle, Stefan Parent, Peter O Newton, Carl-Eric Aubin
STUDY DESIGN: Retrospective analysis of spine and rods 3D shape in the 2 years after adolescent idiopathic scoliosis (AIS) posterior surgical instrumentation. OBJECTIVE: To evaluate spine and rod shape 3D changes in the 2 years after AIS instrumentation with different rod materials. SUMMARY OF BACKGROUND DATA: Postoperative loss of correction has been reported with modern segmental instrumentation. The postoperative 3D rod shape changes of different rod materials and their implication in postoperative loss of correction have never been studied...
August 1, 2017: Spine
https://www.readbyqxmd.com/read/28744958/post-extraction-implant-placement-into-infected-versus-non-infected-sites-a-multicenter-retrospective-clinical-study
#6
Francesco Zuffetti, Matteo Capelli, Fabio Galli, Massimo Del Fabbro, Tiziano Testori
PURPOSE: The aim of this study was to assess whether immediate implant placement into post-extraction sites presenting a chronic infection poses a greater risk of implant failure than immediate placement in non-infected sites. MATERIALS AND METHODS: Records of patients who underwent extraction and immediate implant placement into both infected and non-infected sites from January 1998 to September 2014 at 5 different dental centers were considered for inclusion. Included records were subjected to statistical analysis of survival rates, along with a number of other patient-, implant-, surgery-, and prosthesis-related variables...
July 26, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28744855/seizure-outcome-after-hippocampal-deep-brain-stimulation-in-patients-with-refractory-temporal-lobe-epilepsy-a-prospective-controlled-randomized-double-blind-study
#7
Arthur Cukiert, Cristine Mella Cukiert, Jose Augusto Burattini, Pedro Paulo Mariani, Daniela Fontes Bezerra
OBJECTIVE: We designed a prospective, randomized, controlled, double-blind study to evaluate the efficacy of hippocampal deep brain stimulation (Hip-DBS) in patients with refractory temporary lobe epilepsy (TLE). METHODS: Sixteen adult patients with refractory TLE were studied. Patient's workup included medical history, interictal and ictal electroencephalography (EEG), and high-resolution 1.5T magnetic resonance imaging (MRI). Patients were randomized on a 1:1 proportion to an active (stimulation on) or to a control (no stimulation) arm...
July 26, 2017: Epilepsia
https://www.readbyqxmd.com/read/28744757/six-implant-supported-immediate-fixed-rehabilitation-of-atrophic-edentulous-maxillae-with-tilted-distal-implants
#8
S Wentaschek, S Hartmann, C Walter, W Wagner
BACKGROUND: The aim of this retrospective study was to evaluate the treatment outcome of six Bredent blueSky™ implants (Bredent GmbH, Senden, Germany) immediately loaded with a fixed full-arch prosthesis (two tilted posterior and four axial frontal and premolar implants). METHODS: All 10 patients with atrophic edentulous maxillae being treated with a standardized procedure from 09/2009 to 01/2013, who had a follow-up of at least 3 years, were included. Sixty implants were placed to support 10 screwed prostheses...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28743588/determining-the-outcomes-of-post-mastectomy-radiation-therapy-delivered-to-the-definitive-implant-in-patients-undergoing-one-and-two-stage-implant-based-breast-reconstruction-a%C3%A2-systematic-review-and-meta-analysis
#9
REVIEW
Louise J Magill, Francis P Robertson, Gavin Jell, Afshin Mosahebi, Mohammed Keshtgar
BACKGROUND: Post-mastectomy radiation therapy (PMRT) is known to increase the complication rate and implant loss in implant-based breast reconstruction. The purpose of this study was to systematically review the literature regarding the outcome of PMRT delivered to the permanent/definitive implant. METHODS: Systematic review and meta-analysis of studies involving immediate implant-based reconstruction and PMRT when delivered to the permanent implant. RESULTS: Seven studies included 2921 patients (520 PMRT, 2401 control)...
June 9, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28740781/direct-to-implant-reconstruction-in-nipple-sparing-mastectomy-patient-selection-by-preoperative-digital-mammogram
#10
Alberto O Rancati, Claudio H Angrigiani, Dennis C Hammond, Maurizio B Nava, Eduardo G Gonzalez, Julio C Dorr, Gustavo F Gercovich, Nicola Rocco, Roman L Rostagno
BACKGROUND: Digital mammography clearly distinguishes gland tissue density from the overlying nonglandular breast tissue coverage, which corresponds to the existing tissue between the skin and the superficial layer of the fascia superficialis surrounding the gland (i.e., dermis and subcutaneous fat). Preoperative digital imaging can determine the thickness of this breast tissue coverage, thus facilitating planning and reducing the rate of necrotic complications after direct to implant (DTI) reconstruction in nipple sparing mastectomy (NSM)...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28739320/immediate-implant-placement-into-posterior-sockets-with-or-without-buccal-bone-dehiscence-defects-a-retrospective-cohort-study
#11
Chen Hu, Ting Gong, Weimin Lin, Quan Yuan, Yi Man
OBJECTIVES: To evaluate bone reconstruction and soft tissue reactions at immediate implants placed into intact sockets and those with buccal bone dehiscence defects. METHODS: Fifty-nine internal connection implants from four different manufacturers were immediately placed in intact sockets(non-dehiscence group, n=40), and in alveoli with buccal bone dehiscence defects: 1) Group 1(n= N10), the defect depth measured 3-5 mm from the gingival margin. 2) Group 2(n=9), the depth ranged from 5mm to 7mm...
July 21, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28734634/immediate-implant-placement-the-fate-of-the-buccal-crest-a-retrospective-cone-beam-computed-tomography-study
#12
E Groenendijk, T A Staas, F E J Graauwmans, E Bronkhorst, L Verhamme, T Maal, G J Meijer
This retrospective study aimed to analyse the fate of the buccal crest after immediate implant placement (IIP) through the use of cone beam computed tomography (CBCT). In 16 consecutive patients, an implant was placed in a more palatal position after extraction, thereby creating a gap of at least 2mm between the implant and the buccal crest. Subsequently, this gap was filled with a bone substitute. Preoperatively, immediate postoperatively, and late postoperatively, a CBCT was made to measure the thickness of the buccal crest...
July 19, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28733984/implant-treatment-in-pharmacologically-immunosuppressed-liver-transplant-patients-a-prospective-controlled-study
#13
Víctor Paredes, Rosa María López-Pintor, Jesús Torres, Juan Carlos de Vicente, Mariano Sanz, Gonzalo Hernández
OBJECTIVES: The main objective of this prospective study was to evaluate the long-term outcome of implant therapy in liver transplant patients (LTP). The secondary goal was to assess several implant- and patient-dependent variables, such as peri-implantitis (PI), peri-implant mucositis (PIM), bone loss (BL), and immediate postoperative complications. MATERIAL AND METHODS: Two groups, including 16 pharmacologically immunosuppressed LTP and 16 matched controls, received 52 and 54 implants, respectively, between 1999 and 2008...
July 21, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28733044/management-of-displaced-inferior-patellar-pole-fractures-with-modified-tension-band-technique-combined-with-cable-cerclage-using-cable-grip-system
#14
Xu Yang, Qinfen Wu, Chin-Hui Lai, Xin Wang
INTRODUCTION: We present a modified tension band technique combined with cable cerclage using Cable Grip System for the treatment of displaced inferior patellar pole fractures and report the knee functional outcome. PATIENTS AND METHODS: The patients who had had operative treatment of a displaced inferior patellar pole fracture (AO/OTA 34-A1) between December 2013 and December 2015 were studied retrospectively. Eleven consecutive patients had had open reduction and internal fixation with the modified technique using Cable Grip System, of whom, five males and six females with an average age of 60...
July 13, 2017: Injury
https://www.readbyqxmd.com/read/28732612/image-guided-system-versus-manual-marking-for-toric-intraocular-lens-alignment-in-cataract-surgery
#15
Valentijn S C Webers, Noel J C Bauer, Nienke Visser, Tos T J M Berendschot, Frank J H M van den Biggelaar, Rudy M M A Nuijts
PURPOSE: To compare the accuracy of toric intraocular lens (IOL) alignment using the Verion Image-Guided System versus a conventional manual ink-marking procedure. SETTING: University Eye Clinic Maastricht, Maastricht, the Netherlands. DESIGN: Prospective randomized clinical trial. METHODS: Eyes with regular corneal astigmatism of at least 1.25 diopters (D) that required cataract surgery and toric IOL implantation (Acrysof SN6AT3-T9) were randomly assigned to the image-guided group or the manual-marking group...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28731896/freehand-versus-guided-surgery-factors-influencing-accuracy-of-dental-implant-placement
#16
William Choi, Bao-Chau Nguyen, Andrew Doan, Sabine Girod, Brice Gaudilliere, Dyani Gaudilliere
INTRODUCTION: Patient anatomy, practitioner experience, and surgical approach are all factors that influence implant accuracy. However, the relative importance of each factor is poorly understood. The present study aimed to identify which factors most critically determine implant accuracy to aid the practitioner in case selection for guided versus freehand surgery. METHODS: One practitioner's ideal implant angulation and position was compared with his achieved position radiographically for 450 implants placed using a conventional freehand method...
August 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28730234/associated-lesions-of-peri-implant-mucosa-in-immediate-versus-delayed-loading-of-dental-implants
#17
Alexandru Andrei Iliescu, Sabina Andrada Zurac, Vasile Nicolae, Mihaela Georgiana Iliescu, Paula Perlea
Currently, immediate loading of dental implants is very attractive as a standard protocol for prosthetic restorations in edentulous patients. The aim of this study is to find out the intimate peri-implant mucosa response depending on timing of implant loading, immediate or delayed. Fifty-one screw implants Alpha Bio (Alpha-Bio Tec, Israel) were inserted in 42 partially edentulous patients according to standardized surgical techniques. At six months of loading, samples of peri-implant mucosa were harvested from 27 immediate loaded, respectively 24 delayed loaded implants, and subjected to microscopic examination...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28728333/the-lazy-s-design-a-novel-skin-closure-design-in-skin-sparing-mastectomy-for-implant-based-breast-reconstruction
#18
June-Kyu Kim, Yong Seong Kim
Preservation of the breast skin envelope during immediate implant-based breast reconstruction is important for producing symmetrical and natural-looking breasts. We propose the lazy S design for the closure of round-shaped wounds with the hope of improving the aesthetic outcomes and reducing the tension on the wound by preserving the skin. Additionally, the direction of tension is dispersed due to the shape of this design. Patients undergoing implant reconstruction after skin-sparing mastectomy may benefit from the lazy S design...
July 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28727471/cutting-edge-implant-rehabilitation-design-and-management-a-tapered-abutment-approach
#19
Mark Bishara, Gregori M Kurtzman
Immediate implant placement can pose challenges surgically and, ultimately, restoratively. Yet immediate placement has become the standard when adequate bone is present to achieve primary stability and site infection is minimal. To avoid prosthetic complications and ensure the implant is encased in bone after healing, proper planning must consider that implant placement does not necessarily need to follow the trajectory of the root socket. As discussed in this article, maxillary anterior sites have potential issues related to the "triangle of bone" that are not encountered in molar sites and demand different approaches to ensure treatment success...
July 2017: Compendium of Continuing Education in Dentistry
https://www.readbyqxmd.com/read/28727465/clinical-management-of-type-3-recession-defects-with-immediate-implant-and-provisional-restoration-therapy-a-case-report
#20
Dennis P Tarnow, Stephen J Chu
Type 3 extraction sockets present a unique challenge in that they possess gingival recession indicative of facial hard- and soft-tissue loss. When teeth present with prior disease requiring removal and implant replacement, the treatment strategy incorporates palatal implant positioning as well as proper restorative contour management to compensate for the recession defect, thereby allowing the gingival tissues to heal in the correct 3-dimensional position. This article describes the case of a patient with a nonrestorable maxillary right central incisor with internal resorption...
July 2017: Compendium of Continuing Education in Dentistry
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