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Dental implant connection

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https://www.readbyqxmd.com/read/28713730/application-of-orthodontic-immediate-force-on-dental-implants-histomorphologic-and-histomorphometric-assessment
#1
Mansour Rismanchian, Sayed Hamid Raji, Sayed Mohammad Razavi, Danesh Teimouri Rick, Amin Davoudi
AIMS: Application of force to implants is helpful, especially in orthodontic-implant therapies. The aim of this study was a histomorphologic and histomorphometric evaluation of peri-implant bone after immediate orthodontic and orthopedic forces comparing them with a control group. MATERIALS AND METHODS: Eighteen dental titanium implants were inserted in the premolar region of three dogs. Implants were divided into three groups: (1) group with immediate orthodontic force of 300 NC, (2) group with immediate orthopedic force of 600 NC, and (3) control group...
January 2017: Annals of Maxillofacial Surgery
https://www.readbyqxmd.com/read/28713600/periodontics-implantology-and-prosthodontics-integrated-the-zenith-driven-rehabilitation
#2
Fausto Frizzera, Mateus Tonetto, Guilherme Cabral, Jamil Awad Shibli, Elcio Marcantonio
A customized treatment plan is important to reach results that will satisfy the patient providing esthetics, function, and long-term stability. This type of oral rehabilitation requires professionals from different dental specialties where communication is a major key point. Digital Smile Design allows the practitioners to plan and discuss the patient's condition to establish the proper treatment plan, which must be driven by the desired zenith position. The ideal gingival position will guide the professionals and determine the need to perform surgical procedures or orthodontic movement before placing the final restorations...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28708914/misfit-of-three-different-implant-abutment-connections-before-and-after-cyclic-load-application-an-in-vitro-study
#3
Sergio Alexandre Gehrke, Rafael Arcesio Delgado-Ruiz, Juan Carlos Prados Frutos, María Prados-Privado, Berenice Anina Dedavid, Jose Manuel Granero Marín, José Luiz Calvo Guirado
PURPOSE: This study aimed to evaluate the misfit of three different implant-abutment connections before and after cycling load. MATERIALS AND METHODS: One hundred twenty dental implants and correspondent prefabricated titanium abutments were used. Three different implant-abutment connections were evaluated: Morse taper (MT group), external hexagon (EH group), and internal hexagon (IH group). Forty implants and 40 abutments were used per group. The parameters for the mechanical evaluation were set as: 360,000 cycles, load of 150 N, and frequency of 4 Hz...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28691474/cone-morse-implant-connection-system-significantly-reduces-bacterial-leakage-between-implant-and-abutment-an-in-vitro-study
#4
A Baj, A Bolzoni, A Russillo, D Lauritano, A Palmieri, F Cura, F J Silvestre, A B Giannì
Osseointegrated implants are very popular dental treatments today in the world. In osseointegrated implants, the occlusal forces are transmitted from prosthesis through an abutment to a dental implant. The abutment is connected to the implant by mean of a screw. A screw is the most used mean for connecting an implant to an abutment. Frequently the screws break and are lost. There is an alternative to screw retained abutment systems: the cone-morse connection (CMC). The CMC, thanks to the absence of the abutment screw, guarantees no micro-gaps, no micro-movements, and a reduction of bacterial leakage between implant and abutment...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28682282/four-year-follow-up-of-a-polymethyl-methacrylate-based-bone-cement-graft-for-optimizing-esthetics-in-maxillary-anterior-implants-a-case-report
#5
Érica Miranda De Torres, Luis Fernando Naldi, Karina Oliveira Bernades, Alexandre Leite Carvalho
Tooth loss promotes bone and gingival tissue remodeling, thus breaking the harmony between the residual ridge and natural teeth. This is critical in the anterior region of the mouth, and the integration of several dental specialties is often essential to successful rehabilitation with implants. This article describes a multidisciplinary approach to implant-supported oral rehabilitation in the maxillary anterior region, presenting a new technique for optimizing esthetics in implants. A 19-year-old woman was missing her central and lateral incisors and had 2 dental implants in the lateral incisor sites...
July 2017: General Dentistry
https://www.readbyqxmd.com/read/28675640/characterization-of-serum-proteins-attached-to-distinct-sol-gel-hybrid-surfaces
#6
Nuno Araújo-Gomes, Francisco Romero-Gavilán, Ana M Sánchez-Pérez, Marilo Gurruchaga, Mikel Azkargorta, Felix Elortza, María Martinez-Ibañez, Ibon Iloro, Julio Suay, Isabel Goñi
The success of a dental implant depends on its osseointegration, an important feature of the implant biocompatibility. In this study, two distinct sol-gel hybrid coating formulations [50% methyltrimethoxysilane: 50% 3-glycidoxypropyl-trimethoxysilane (50M50G) and 70% methyltrimethoxysilane with 30% tetraethyl orthosilicate (70M30T)] were applied onto titanium implants. To evaluate their osseointegration, in vitro and in vivo assays were performed. Cell proliferation and differentiation in vitro did not show any differences between the coatings...
July 4, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28656952/-the-clinical-and-expert-evaluation-of-the-unfavourable-consequences-of-the-provision-of-the-dental-implantation-treatment
#7
A A Gusarov, T G Popova, V A Fetisov, E Yu Kuraeva, E A Shoniya
The clinical and expert evaluation of the unfavourable consequences of the provision of the inadequate dental implantation treatment has demonstrated the ever increasing number of justified complaints and civilian lawsuits instituted annually in connection with the infringements of health associated with the poor quality of the medical care provided to the patients. The authors present the results of commission forensic medical expertise performed on account of the civilian lawsuits instituted by a 74 year-old patient K...
2017: Sudebno-meditsinskaia Ekspertiza
https://www.readbyqxmd.com/read/28632255/intake-of-proton-pump-inhibitors-is-associated-with-an-increased-risk-of-dental-implant-failure
#8
Bruno Ramos Chrcanovic, Jenö Kisch, Tomas Albrektsson, Ann Wennerberg
PURPOSE: To investigate the association between the intake of proton pump inhibitors (PPIs) and the risk of dental implant failure. MATERIALS AND METHODS: The present retrospective cohort study is based on patients consecutively treated between 1980 and 2014 with implant-supported/retained prostheses at one specialist clinic. Modern endosseous dental implants with cylindrical or conical design were included, and only complete cases were considered; ie, only those implants with information available for all variables measured were included in the regression model analysis...
June 20, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28612506/synergistic-interactions-between-corrosion-and-wear-at-titanium-based-dental-implant-connections-a-scoping-review
#9
REVIEW
K Apaza-Bedoya, M Tarce, C A M Benfatti, B Henriques, M T Mathew, W Teughels, J C M Souza
Two-piece implant systems are mainly used in oral implantology involving an osseointegrated implant connected to an abutment, which supports prosthetic structures. It is well documented that the presence of microgaps, biofilms and oral fluids at the implant-abutment connection can cause mechanical and biological complications. The aim of this review paper was to report the degradation at the implant-abutment connection by wear and corrosion processes taking place in the oral cavity. Most of the retrieved studies evaluated the wear and corrosion (tribocorrosion) of titanium-based materials used for implants and abutments in artificial saliva...
June 14, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28573264/effects-of-combining-insulin-like-growth-factor-1-and-platelet-derived-growth-factor-on-osteogenesis-around-%C3%A2-dental-implants
#10
Wan Lin Zhou, Lin Lin Li, Xin Ru Qiu, Qi An, Mei Hua Li
OBJECTIVE: To explore the effects of the combination of insulin-like growth factor 1 (IGF-1) and platelet-derived growth factor (PDGF) on bone formation around dental implants. METHODS: A total of 24 adult rabbits were included in this experiment. Titanium machine-polished dental implants were placed in the iliac bones to simulate dental implants in the alveolar bone. The rabbits were randomly divided into four groups; a saline treated control group (NS), an IGF-1 treated group, a PDGF-BB treated group, and a combination of IGF-1 and PDGF-BB treated group...
2017: Chinese Journal of Dental Research
https://www.readbyqxmd.com/read/28567141/reproducibility-of-a-digital-method-to-evaluate-soft-tissue-modifications-a-study-of-inter-and-intra-operative-measurement-concordance
#11
Davide Rancitelli, Marco Cicciù, Francesco Lini, Davide Fumagalli, Anna Chiara Frigo, Carlo Maiorana
BACKGROUND: The soft tissue healing and quality around dental implant is a current debated topic in the recent literature. The free gingival margin and the quantity and quality of the mucosa around teeth and surrounding dental implants still determine the hard and soft tissue healing status. OBJECTIVE: The aim of this study is to assess inter and intra-operative measurement concordance of a method aimed at evaluating the apico-coronal migration of free gingival margin, using intra-oral photography...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/28555206/a-comparison-of-two-implants-with-conical-vs-internal-hex-connections-1-year-post-loading-results-from-a-multicentre-randomised-controlled-trial
#12
Maurizio Cannata, Tommaso Grandi, Rawad Samarani, Luigi Svezia, Giovanni Grandi
PURPOSE: To compare the clinical and radiological outcomes of identical implants with conical or internal hex connections. METHODS: A total of 90 patients with partial edentulism requiring one implant-supported prosthesis were randomly allocated in two equal groups (n = 45) to receive either implants with a conical connection or implants of the same type, but with an internal hex connection at three centres. Patients were followed for 1 year after loading. Outcome measures were implant failures, any complication and marginal bone level changes...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28532041/comparative-analysis-of-stress-in-a-new-proposal-of-dental-implants
#13
Mariana Lima da Costa Valente, Denise Tornavoi de Castro, Ana Paula Macedo, Antonio Carlos Shimano, Andréa Cândido Dos Reis
The purpose of this study was to compare, through photoelastic analysis, the stress distribution around conventional and modified external hexagon (EH) and morse taper (MT) dental implant connections. Four photoelastic models were prepared (n=1): Model 1 - conventional EH cylindrical implant (Ø 4.0mm×11mm - Neodent®), Model 2 - modified EH cylindrical implant, Model 3 - conventional MT Conical implant (Ø 4.3mm×10mm - Neodent®) and Model 4 - modified MT conical implant. 100 and 150N axial and oblique loads (30° tilt) were applied in the devices coupled to the implants...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28512280/herpes-simplex-1-and-periopathogen-role-in-peri-implantitis
#14
S Parthiban, Nizar Ahmed, T Ramakrishnan, V Balakumar, Manoj Raja, Himanshu Shekhar
INTRODUCTION: The objectives of this study were to compare the qualitative and quantitative profiles of herpes simplex virus type I (HSV-1) in implant surfaces between participants with peri-implantitis (PI) and Healthy peri-implant tissues and to quantitatively assess the relation between HSV-1 and periopathogens inside the microbiological profile associated with PI. MATERIALS AND METHODS: A total of 40 patients with PI and 40 with healthy peri-implant tissues (HI) were recruited...
May 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28512278/use-of-collagen-matrix-for-augmentation-of-the-peri-implant-soft-tissue-at-the-time-of-immediate-implant-placement
#15
Gregor-Georg Zafiropoulos, Gordon John
AIM: The aim of this study was to determine the treatment outcome of the use of a porcine monolayer collagen matrix (mCM) to augment peri-implant soft tissue in conjunction with immediate implant placement as an alternative to patient's own connective tissue. MATERIALS AND METHODS: A total of 27 implants were placed immediately in 27 patients (14 males and 13 females, with a mean age of 52.2 years) with simultaneous augmentation of the soft tissue by the use of a mCM...
May 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28507636/influence-of-number-of-implants-and-attachment-type-on-stress-distribution-in-mandibular-implant-retained-overdentures-finite-element-analysis
#16
Mohamed I El-Anwar, Eman A El-Taftazany, Hamdy A Hamed, Mohamed A Abd ElHay
AIM: This study aimed to compare the stresses generated by using two or four root form dental implants supporting mandibular overdentures that were retained with ball and locator attachments. METHODS: Under ANSYS environment, four 3D finite element models were prepared. These models simulated complete overdentures supported by two or four implants with either ball or locator attachments as a connection mechanism. The models' components were created by CAD/CAM package then were imported to ANSYS...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28494036/epidemiology-of-implant-mortality-disparity-among-intraoral-positions-and-prosthesis-types
#17
Yong-Geun Choi, Steven E Eckert, Kyung Lhi Kang, Sang-Wan Shin, Young-Kyun Kim
PURPOSE: To examine the disparity of single-crown implant failure with a similar loss of the splinted prosthesis in differing anatomical locations while controlling for other demographic and clinical variables that may confound the relationship between prosthesis types and implant loss. MATERIALS AND METHODS: A multicenter retrospective cohort study was designed to include patients treated with dental implants from 2003 to 2014. The variables included age, sex, systemic disease, bone graft, implant placement date, position of dental implant, length of dental implant, diameter of dental implant, loading time, type of prosthesis, type of opposing occlusion, latest check date, and survival or loss of the dental implant...
May 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28480634/does-osteoporosis-influence-the-marginal-peri-implant-bone-level-in-female-patients-a-cross-sectional-study-in-a-matched-collective
#18
Florian Wagner, Krisztian Schuder, Markus Hof, Simone Heuberer, Rudolf Seemann, Gabriella Dvorak
BACKGROUND/PURPOSE: Osteoporosis, being a homeostatic imbalance, affects the remodeling of bone. Whether this catabolic bone disease influences peri-implant marginal bone remodeling remains unknown so far. The purpose of this study was to evaluate the influence of osteoporosis on peri-implant marginal bone loss (MBL) in postmenopausal women. MATERIALS AND METHODS: In a matched collective, radiographic peri-implant bone level (at baseline and at follow-up examinations) was compared in healthy and osteoporotic women...
May 8, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28475499/heat-generation-on-implant-surface-during-abutment-preparation-at-different-elapsed-time-intervals
#19
Abdullah Al-Keraidis, Khalil Aleisa, Ziad Nawaf Al-Dwairi, Hamdi Al-Tahawi, Ming-Lun Hsu, Edward Lynch, Mutlu Özcan
PURPOSE: The purpose of this study was to evaluate heat generation at the implant surface caused by abutment preparation using a diamond bur in a high-speed dental turbine in vitro at 2 different water-coolant temperatures. MATERIALS AND METHODS: Thirty-two titanium-alloy abutments were connected to a titanium-alloy implant embedded in an acrylic resin placed within a water bath at a controlled temperature of 37°C. The specimens were equally distributed into 2 groups (16 each)...
May 3, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28475086/timing-of-soft-tissue-management-around-dental-implants-a-suggested-protocol
#20
Mahdi Kadkhodazadeh, Reza Amid, Mehdi Ekhlasmand Kermani, Mahdieh Mirakhori, Sepanta Hosseinpour
Survival of dental implants depends on several factors; soft tissue (ST) management around dental implants is one of the foremost. Several studies have suggested techniques for ST management around dental implants, but none of them has discussed a suitable timetable for this process. This study aimed to review published articles related to the timing of ST management around dental implants and suggest a customized treatment protocol. A search of the PubMed database was conducted; the search was limited to English-language articles published from January 1995 to July 2015 with available full texts...
May 2017: General Dentistry
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