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https://www.readbyqxmd.com/read/28938031/evaluation-of-a-titanium-surface-treated-with-hydroxyapatite-nanocrystals-on-osteoblastic-cell-behavior-an-in-vitro-study
#1
Elizabeth Ferreira Martinez, Guilherme Junji Ishikawa, Alexandre Barboza de Lemos, Fábio José Barbosa Bezerra, Marcelo Sperandio, Marcelo Henrique Napimoga
PURPOSE: In the context of macrostructural and microstructural modifications to the design of dental implants, surface topography changes with different treatments have the purpose of accelerating bone formation. The aim of this study was to evaluate in vitro the influence of aggregated hydroxyapatite nanocrystals to surfaces treated with double acid etching (Nano) on osteoblastic cell behavior compared with a conventional double acid-etched surface (DE). MATERIALS AND METHODS: Commercially pure Grade 4 titanium discs (6 × 2 mm) were selected, and both cell proliferation and viability were assessed at 24, 48, and 72 hours using Trypan blue vital dye and MTT, respectively...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28938029/prognosis-of-combining-remaining-teeth-and-implants-in-double-crown-retained-removable-dental-prostheses-a-systematic-review-and-meta-analysis
#2
Meifei Lian, Kai Zhao, Yunzhi Feng, Qian Yao
PURPOSE: The reliability of combining natural teeth and implants in one removable prosthesis is controversial. This systematic review was conducted to evaluate the prognosis of combined tooth/implant-supported double-crown-retained removable dental prostheses (DCR-RDPs) and to compare them with solely implant-supported prostheses with a minimum observation period of 3 years. MATERIALS AND METHODS: Electronic database (PubMed, Embase, Central, and SCI) and manual searches up to August 2016 were conducted to identify human clinical studies on tooth/implant-supported DCR-RDPs...
September 22, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28936034/systematic-analysis-on-the-efficacy-of-bone-enhancement-methods-used-for-success-in-dental-implants
#3
REVIEW
S Elakkiya, A S Ramesh, K Prabhu
Bone grafting is beneficial in enhancing bones that are lost due to trauma or natural or pathologic process. Autogenous bone, allogenic bone, xenogeneic bone, bone substitutes, and alloplasts can also be used for this purpose. Bone quantity should be adequate for the placement of implants, which necessitate the use of bone grafts before implant placement. OBJECTIVE: This review analyses the different bone graft materials that are used for grafting around implants and evaluate if these grafts yield successful implant osseointegration over a period of time...
July 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28935490/immediate-loading-of-subcrestally-placed-dental-implants-in-anterior-and-premolar-sites
#4
Anders Henningsen, Ralf Smeets, Kai Köppen, Susanne Sehner, Frank Kornmann, Alexander Gröbe, Max Heiland, Till Gerlach
PURPOSE: Immediate loading of dental implants has been evolving into an appropriate procedure for the treatment of partially edentulous jaws. The purpose of this study was to evaluate the clinical success and radiological outcome of immediately and delayed loaded dental implants in anterior and premolar sites. MATERIALS AND METHODS: In this retrospective study, data of 163 individuals requiring tooth removal with subsequent implant placement in anterior and premolar sites were analyzed...
August 23, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28935100/a-critical-review-on-the-prospect-of-polyaniline-grafted-biodegradable-nanocomposite
#5
REVIEW
Mohammad Shahadat, Mohammad Zain Khan, Parveen Fatemeh Rupani, Asha Embrandiri, Saima Sultana, Shaikh Ziauddin Ahammad, S Wazed Ali, T R Sreekrishnan
Among the various electrically conducting polymers, polyaniline (PANI) has gained attentions due to its unique properties and doping chemistry. A number of electrically conducting biodegradable polymers has been synthesized by incorporating a biodegradable content of cellulose, chitin, chitosan, etc. in the matrix of PANI. The hybrid materials are also employed as photocatalysts, antibacterial agents, sensors, fuel cells and as materials in biomedical applications. Furthermore, these biodegradable and biocompatible conducting polymers are employed in tissue engineering, dental implants and targeted drug delivery...
September 6, 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/28933801/morphometric-study-of-lingual-foramina-in-macerated-mandibles-to-assist-in-implant-placement-in-the-anterior-mandibular-region
#6
N F Deana, P Navarro, N Alves
The object of our study was to contribute to anatomical knowledge of this region with data on the prevalence, number and location of lingual foramina (LF) in dentate and edentate macerated mandibles from Brazilian individuals, differentiating them by sex and race. In this way we hope to help dental surgeons with their planning prior to implant placement in the anterior mandibular region. 103 macerated mandibles were analysed. The prevalence, number and location of LF were analysed in the median (MLF) and lateral (LLF) regions and the median (AMLF) and lateral (ALLF) alveolar process regions...
September 21, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28932144/peri-implantitis-and-extracellular-matrix-antibodies-a-case-control-study
#7
Piero Papi, Stefano Di Carlo, Daniele Rosella, Francesca De Angelis, Mario Capogreco, Giorgio Pompa
OBJECTIVE: The aim of this case-control study was to compare patients with a healthy peri-implant environment and patients affected by peri-implantitis, evaluating the occurrence of antibodies to extracellular matrix (ECM) molecules. The authors hypothesized the presence of ECM autoantibodies in serum of peri-implantitis patients. MATERIALS AND METHODS: Patients were divided into two groups: one with dental implants with a diagnosis of peri-implantitis and one control group with implants classified as being "healthy...
July 2017: European Journal of Dentistry
https://www.readbyqxmd.com/read/28929117/histological-evidence-of-the-osseointegration-of-fractured-direct-metal-laser-sintering-implants-retrieved-after-5-years-of-function
#8
Francesco Mangano, Carlo Mangano, Adriano Piattelli, Giovanna Iezzi
BACKGROUND: Direct metal laser sintering (DMLS) is an additive manufacturing technique that allows the fabrication of dental implants layer by layer through the laser fusion of titanium microparticles. The surface of DMLS implants is characterized by a high open porosity with interconnected pores of different sizes; therefore, it has the potential to enhance and accelerate bone healing. To date, however, there are no histologic/histomorphometric studies in the literature evaluating the interface between bone and DMLS implants in the long-term...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28928992/dental-implant-in-the-canalis-sinuosus-a-case-report-and-review-of-the-literature
#9
José Alcides Arruda, Pedro Silva, Luciano Silva, Pâmella Álvares, Leni Silva, Ricardo Zavanelli, Cleomar Rodrigues, Marleny Gerbi, Ana Paula Sobral, Marcia Silveira
The canalis sinuosus is a neurovascular canal, a branch of nerve of infraorbital canal, through which the anterior superior alveolar nerve passes and then leans medially in course between the nasal cavity and the maxillary sinus, reaching the premaxilla in the canine and incisor region. The purpose of this article is to report a case with the presence of canalis sinuosus, in order to alert and guide professionals and discuss the morphology of this anatomical variation avoiding trans- and postsurgical disorders in dental implants...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28928771/an-analysis-of-patient-perceptions-and-expectations-to-dental-implants-is-there-a-significant-effect-on-long-term-satisfaction-levels
#10
Shane J J McCrea
Here we present an analysis of patient perceptions and expectations to dental implant placement and their prosthetic reconstruction, to then consider whether they have an effect on long-term satisfaction levels. A Post-Treatment Completion Questionnaire was designed to analyse whether patient satisfaction is influenced by age and/or gender; has an effect on patient-reported self-confidence levels; contributes to increased levels of oral hygiene; provides further insight into the average pain levels during and after the surgical intervention; or influences further acceptance of dental implant surgery...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28927926/short-dental-implants-a-scoping-review-of-the-literature-for-patients-with-head-and-neck-cancer
#11
REVIEW
Faraj Edher, Caroline T Nguyen
STATEMENT OF PROBLEM: Dental implants can be essential in the rehabilitation of various cancer defects, but their ideal placement can be complicated by the limited dimensions of the available host bone. Surgical interventions developed to increase the amount of bone are not all predictable or successful and can sometimes be contraindicated. Short dental implants have been suggested as an alternative option in sites where longer implants are not possible. Whether they provide a successful treatment option is unclear...
September 16, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28927393/the-complete-digital-workflow-in-fixed-prosthodontics-a-systematic-review
#12
Tim Joda, Fernando Zarone, Marco Ferrari
BACKGROUND: The continuous development in dental processing ensures new opportunities in the field of fixed prosthodontics in a complete virtual environment without any physical model situations. The aim was to compare fully digitalized workflows to conventional and/or mixed analog-digital workflows for the treatment with tooth-borne or implant-supported fixed reconstructions. METHODS: A PICO strategy was executed using an electronic (MEDLINE, EMBASE, Google Scholar) plus manual search up to 2016-09-16 focusing on RCTs investigating complete digital workflows in fixed prosthodontics with regard to economics or esthetics or patient-centered outcomes with or without follow-up or survival/success rate analysis as well as complication assessment of at least 1 year under function...
September 19, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28925678/dual-functionalized-graphene-oxide-based-sirna-delivery-system-for-implant-surface-bio-modification-with-enhanced-osteogenesis
#13
Li Zhang, Qing Zhou, Wen Song, Kaimin Wu, Yumei Zhang, Yimin Zhao
Surface functionalization by siRNA is a novel strategy for improved implant osseointegration. Gene delivery system with safety and high transfection activity is a crucial factor for siRNA-functionalized implant to exert its biological function. To this end, polyethylene glycol (PEG) and polyethylenimine (PEI) dual-functionalized graphene oxide (GO) (nGO-PEG-PEI) may present a promising siRNA vector. In this study, nano-sized nGO-PEG-PEI was prepared and optimized for siRNA delivery. Titania nanotubes (NT) fabricated by anodic oxidation were bio-modified with nGO-PEG-PEI/siRNA by cathodic electrodeposition, designated as NT-GPP/siRNA...
September 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28925491/corrosion-behavior-of-dental-implants-immersed-into-human-saliva-preliminary-results-of-an-in-vitro-study
#14
M Barbieri, F Mencio, P Papi, D Rosella, S Di Carlo, T Valente, G Pompa
OBJECTIVE: Over the years, different implant surfaces have been used to try to maximize bone to implant contact. The aim of this study was to compare levels of metallic ions and particles dissolution collected from two different dental implants surfaces immersed into human saliva. PATIENTS AND METHODS: A total of 60 dental implants were tested. Group A: sanded with aluminium oxide medium grade particles and acid-etched; Group B: micro-sanded with calcium phosphate powders and acid-etched...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28924826/volumetric-and-linear-changes-at-dental-implants-following-grafting-with-volume-stable-three-dimensional-collagen-matrices-or-autogenous-connective-tissue-grafts-6-month-data
#15
Nadja Naenni, Stefan P Bienz, Goran I Benic, Ronald E Jung, Christoph H F Hämmerle, Daniel S Thoma
OBJECTIVES: The objective of this study was to test whether or not soft tissue augmentation with a volume-stable collagen matrix (VCMX) leads to similar volume gain around dental implants compared to autogenous subepithelial connective tissue graft (SCTG). MATERIALS AND METHODS: In 12 adult beagle dogs, immediate implants were placed with simultaneous guided bone regeneration. After 25-45 weeks, soft tissue augmentation was randomly performed using VCMX, SCTG, or a sham-operated control...
September 18, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28924474/evaluation-of-satisfaction-of-individuals-rehabilitated-with-zygomatic-implants-as-regards-anesthetic-and-sedative-procedure-a-prospective-cohort-study
#16
Paulo H T Almeida, Alexander D'Alvia Salvoni, Fabiana M G França
PURPOSE: To evaluate the satisfaction of individuals with atrophic maxilla, rehabilitated with fixed dental prostheses, anchored on zygomatic implants, with variables being the anesthetic procedure: general anesthesia, or local with sedation. MATERIALS AND METHODS: By means of the clinical record charts from the Training Course in Advanced Hospital Surgeries for Implant Dentists conducted at the Campinas-SP unit of the São Leopoldo Mandic School of Dentistry, 30 individuals were randomly selected...
October 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28924317/comparative-evaluation-of-anchorage-reinforcement-between-orthodontic-implants-and-conventional-anchorage-in-orthodontic-management-of-bimaxillary-dentoalveolar-protrusion
#17
S S Chopra, Manish Mukherjee, Rajat Mitra, Gagan Deep Kochar, Abhijeet Kadu
BACKGROUND: Increased upper lip procumbency is commonly associated with maxillary dentoalveolar protrusion with the major goal of reducing maxillary dentoalveolar protrusion. The treatment plan usually includes extraction of the maxillary first premolars, followed by retraction of anterior teeth with maximum anchorage. Dental implants have been widely accepted as successful adjuncts for obtaining maximum anchorage in orthodontic treatment. METHODS: 50 subjects between the ages of 13 and 17 years having bimaxillary dentoalveolar protrusion were included in the study...
April 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28922615/the-impact-of-incorporating-antimicrobials-into-implant-surfaces
#18
N J Hickok, I M Shapiro, A F Chen
With the increase in numbers of joint replacements, spinal surgeries, and dental implantations, there is an urgent need to combat implant-associated infection. In addition to stringent sterile techniques, an efficacious way to prevent this destructive complication is to create new implants with antimicrobial properties. Specifically, these implants must be active in the dental implant environment where the implant is bathed in the glycoprotein-rich salivary fluids that enhance bacterial adhesion, and propagation, and biofilm formation...
September 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28922246/immediate-dental-implant-placement-after-removal-of-complex-odontoma
#19
Fábio Roberto de Souza Batista, Victor Eduardo de Souza Batista, Aljomar José Vechiato-Filho, Victor Tieghi Neto, Jéssica Araújo Figueira, Fellippo Ramos Verri
The aim of the authors was to report a clinical case about immediate implant placement after the removal of complex odontoma. A 35-year-old female patient presented to private service complaining about absence of lower right first premolar. The computed tomographic showed radiopaque attenuation, surrounded by a narrow radiolucency in the area of dental absence, suggesting a mineralized lesion. The surgical removal of lesion was performed by intraoral access with general anesthesia and the implant of 3.75 × 10 mm (Neodent) was placed with the aid of a surgical guide, following the drill sequence established by the manufacturer...
September 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28922244/fibular-graft-effective-panorama-for-prosthetic-rehabilitation-of-resected-mandible
#20
Pankaj Kharade, Saidul Islam, Mahesh Verma, Swati Sharma, Ranjeet Bodh
Surgical management of extensive tumors in the mandibular region leads to massive disfigurement of the face. Also the prosthetic outcome of such patients rehabilitated with free soft tissue flaps is very poor. Reconstruction of extensive defects to overcome the disfigurement is a challenging procedure and can be achieved with free fibula flap. Free fibula graft provides sufficient length of bone for the reconstruction of the postsurgical defects. Excellent vascularity of fibula flap allows for easy uptake of the graft and osseointegration of the dental implants...
September 15, 2017: Journal of Craniofacial Surgery
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