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Implant Dentistry

Danilo Alessio Di Stefano, Paolo Arosio, Stefano Pagnutti, Raffaele Vinci, Enrico Felice Gherlone
INTRODUCTION: Implant osseointegration is strongly influenced by the bone quality at the implant insertion site. The present work aims to create distribution diagrams showing the average bone density at each position within the jaws. MATERIALS AND METHODS: Data were retrospectively collected from 4 oral surgeons who sought bone-density measurements during implant placement using a torque-measuring implant micromotor. Statistical analyses were performed to investigate whether bone density correlated with the patients' sex and age and whether the bone-density values at different positions within each arch correlated to each other...
April 29, 2019: Implant Dentistry
Kenneth W M Judy
No abstract text is available yet for this article.
April 20, 2019: Implant Dentistry
Paula Gabriela Faciola Pessôa de Oliveira, Edmara Tatiely Pedroso Bergamo, Dimorvan Bordin, Leticia Arbex, Danielle Konrad, Luiz Fernando Gil, Rodrigo Neiva, Nick Tovar, Lukasz Witek, Paulo Guilherme Coelho
OBJECTIVE: To compare hard-tissue healing after 3 exodontia approaches. MATERIALS AND METHODS: Premolars of dogs were extracted: (1) flapless, (2) flap, and (3) flap + socket coverage with polytetrafluoroethylene (dPTFE) nonresorbable membrane (flap + dPTFE). Animals were euthanized at 1 and 4 weeks. Amount of bone formation within socket and socket total area were measured. RESULTS: Amount of bone formation revealed significant difference between 1 and 4 weeks; however, there was no differences among groups...
April 17, 2019: Implant Dentistry
Hyun-A Heo, Suhyun Park, Yoon-Sik Jeon, Sung-Woon Pyo
OBJECTIVES: To determine the effect of raloxifene (RAL) on bone response around implants in the maxilla of osteoporotic rats. MATERIALS AND METHODS: Forty-five female rats at 8 weeks-old were divided into 3 groups: (1) control group, sham-operated rats, (2) ovariectomized group (OVX), and (3) ovariectomized and raloxifene-administered group (RAL). Eight weeks after the ovariectomy, upper right molar was extracted and an implant was placed at 4 weeks post-extraction...
April 12, 2019: Implant Dentistry
Juan Manuel Aragoneses, Ana Suárez, Vanessa Arlette Brugal, Margarita Gómez
PURPOSE: The purpose of this prospective study is to evaluate the relationship between implant diameter, and primary and secondary stability. MATERIALS AND METHODS: Five hundred fifty-nine implants with diameters of 3.7, 4.0, and 4.3 mm and lengths of 10 and 11.5 mm were placed in 195 patients. The resonance frequency was measured during surgery and at 3, 6, and 12 months. RESULTS: Related average implant stability quotient (ISQ) values were 69...
April 10, 2019: Implant Dentistry
Revathi Duraisamy, Chitra Shankar Krishnan, Hariharan Ramasubramanian, Jayakrishnakumar Sampathkumar, Saravanakumar Mariappan, Azhagarasan Navarasampatti Sivaprakasam
PURPOSE: The purpose of this study was to evaluate the fit of nonoriginal abutments to implants at the implant abutment junction. MATERIALS AND METHODS: Twenty titanium implants from a single manufacturer were randomly divided into 2 groups of ten each. Ten titanium premachined original abutments (group I) and ten titanium premachined nonoriginal abutments (from different manufacturer-group II) were connected to the implants with the recommended manufacturer torque level and then embedded into autopolymerizing clear acrylic resin blocks...
April 2, 2019: Implant Dentistry
Caroline Bosquê Keedi, André Duarte Azevedo Marques, Viviane Aparecida Arenas Rodrigues, Mario Julio Avila-Campos, Pedro Tortamano
PURPOSE: The purpose of this study was to assess the effectiveness of a polyglycol dimethacrylate-based adhesive in preventing bacterial leakage through implant-abutment interfaces (IAIs). MATERIALS AND METHODS: After implant installation, the adhesive was applied in the experimental group (n = 10). None was applied in the control group (n = 10). Samples were collected from the inner walls of implants on days 0 and 90. The real-time polymerase chain reaction was used to detect bacterial DNA...
April 2, 2019: Implant Dentistry
Uğur Gülşen, Ömür Dereci
INTRODUCTION: The objective of this study is to evaluate the new bone formation after sinus floor augmentation with collagen plugs used as carriers for injectable platelet-rich fibrin (i-PRF). MATERIALS AND METHODS: Postoperative immediate and postoperative 6th month panoramic radiographies of patients treated between January 1, 2015, and February 1, 2018, with sinus floor augmentation using i-PRF-soaked collagen plugs were retrieved from the archives, and subantral bone heights of distal and mesial regions of simultaneously inserted implants were measured with a software program...
March 28, 2019: Implant Dentistry
Lukas Hingsammer, Bernhard Pommer, Stefan Hunger, Rapahel Stehrer, Georg Watzek, Angel Insua
PURPOSE: The aim of this systematic review is to provide an overview of finite element analyses comparing standard and short dental implants concerning biomechanical properties and to detect the most relevant parameters affecting periimplant stress concentrations. MATERIAL AND METHODS: After screening the literature and assessment of studies, 36 studies were included in this review. RESULTS: Eighty-three percent of the studies state that short dental implants have to bear higher stress concentrations compared with standard length implants...
March 15, 2019: Implant Dentistry
Priscila Ladeira Casado, Telma Aguiar, Marina Prado Fernandes Pinheiro, Aldir Machado, Aristides da Rosa Pinheiro
BACKGROUND: Risk factors associated with periimplant disease have been exhaustively explored in many studies. However, despite the high incidence of smokers in the general population, it is still unclear whether smoking is a risk factor for the development of periimplant diseases. PURPOSE: The aim of this review was to analyze all pertinent literature, including systematic reviews, clinical trials, and long-term follow-up, to evaluate smoking as a real risk factor for periimplant diseases...
March 15, 2019: Implant Dentistry
Yoichiro Nakajima, Michi Omori, Kazuya Inoue, Hiroyuki Nakano, Nozomu Fukui, Nahoko Kato-Kogoe, Kayoko Yamamoto, Yoshifumi Suwa, Akihiro Sunano, Takaaki Ueno
We have encountered a rare case in which the subject underwent maxillary sinus floor elevation at another hospital, and a screw to fix the grafted bone substitute was forced into the maxillary sinus and intruded into the bone. Various different foreign bodies have been reported as being forced into the maxillary sinus due to dental treatment, and these foreign bodies are often retained on the maxillary sinus mucous membrane. However, no reports have described a screw forced in and intruded into the peculiar position in the bone, as seen in the present case, which we report here with additional discussion...
March 15, 2019: Implant Dentistry
Anton Sculean, Georgios Romanos, Frank Schwarz, Ausra Ramanauskaite, Keeve Philip Leander, Fouad Khoury, Ki-Tae Koo, Raluca Cosgarea
BACKGROUND: The data on the importance of soft-tissue management during surgical treatment of periimplantitis are still limited, and no clinical recommendations are yet available. AIM: To give an overview on the rationale for periimplant soft-tissue augmentation procedures in the light of potential benefits/risks of the presence/absence of keratinized/attached mucosa (KAM) providing recommendations for the clinician. RESULTS: The available evidence indicates that the presence of KAM favors periimplant tissue health evidenced by improved bleeding scores and facilitation of self-performed plaque removal, less mucosal recessions, and more stable marginal bone levels over time...
March 14, 2019: Implant Dentistry
Kenneth W M Judy
No abstract text is available yet for this article.
March 11, 2019: Implant Dentistry
Alberto M Albiero, Luca Quartuccio, Andrea Benato, Renato Benato
PURPOSE: The aim of this study was to evaluate the accuracy of computer-guided flapless implant (CGFI) surgery in edentulous jaws with fresh extraction sockets and compare it to CGFI in fully edentulous jaws. MATERIALS AND METHODS: Ten patients with a completely edentulous arch (group A) and ten patients presenting natural teeth with a hopeless prognosis in the upper or lower jaw (group B) were consecutively treated with CGFI. A multipiece radiographic guide was fabricated for group B patients...
March 11, 2019: Implant Dentistry
Jae-Seek You, Su-Gwan Kim, Ji-Su Oh, Jae-Sung Kim
PURPOSE: The purpose of this study was to evaluate the effects of the growth factor within platelet-rich fibrin (PRF) in proliferation and differentiation of osteoblast and to observe the effectiveness of PRF. MATERIALS AND METHODS: The colorimetric MTT assay, cell live and dead assay, alkaline phosphatase staining and activity assay, alizarine red S, and von Kossa staining were performed. Finally, the alterations of biomarkers associated with bone formation were verified at the mRNA level by quantitative polymerase chain reaction (PCR) and quantitative real-time PCR...
March 8, 2019: Implant Dentistry
Ioannis Fourmousis, Manolis Vlachos
INTRODUCTION: Periimplantitis etiology is multifactorial. The aim of this review is to identify the available data so far concerning the association between genetic polymorphisms and periimplantitis risk. MATERIALS AND METHODS: A literature search was performed in MEDLINE using the PubMed database of the US National Library of Medicine for articles published until March 2018. In addition, a manual search was performed. Our search and application of eligibility criteria provided 23 articles...
March 8, 2019: Implant Dentistry
Chin-Wei Wang, Stefan Renvert, Hom-Lay Wang
PURPOSE: Periimplantitis has become an emerging challenge faced by practicing dentists worldwide. When treating periimplantitis, we should attempt to manage this problem via nonsurgical therapies that include addressing all modifiable systemic risk factors and local contributing factors. Hence, the aim of this narrative review was to examine published studies on nonsurgical treatment of periimplantitis and evaluate their effectiveness and limitations. MATERIALS AND METHODS: A literature search was performed in MEDLINE via PubMed database up to December 31, 2017...
April 2019: Implant Dentistry
Ioannis Polyzois
PURPOSE: A literature search was performed in a number of health care databases for articles published until January 2018. DISCUSSION: A number of anatomical factors, risk indicators, possible aesthetic complications, and financial implications have to be taken into consideration before treatment commences. When diagnosed early, periimplant mucositis is a problem that can be easily managed as long as the patient is motivated and maintains good levels of oral hygiene...
April 2019: Implant Dentistry
Guo-Hao Lin, Iman M Madi
BACKGROUND: The aim of this article is to review the current understanding regarding periimplant soft-tissue conditions to minimize risk of periimplant mucositis and periimplantitis. MATERIALS AND METHODS: An electronic search was performed in 4 different databases. Articles were reviewed and summarized if the following criteria were met: published evidence with recommendations on soft-tissue conditions around dental implants. RESULTS: An evaluation of various soft-tissue parameters, including the need of keratinized mucosa, periimplant mucosal height and phenotype, midfacial tissue level, and papillary fill, was performed based on the currently available evidence...
April 2019: Implant Dentistry
Giovanni Serino, Kristina Hultin
PURPOSE: The purpose of this review was to search in international published peer-review articles, data regarding prosthetic risk indicators affecting the incidence, prevalence, or treatment outcome of periimplant diseases. MATERIALS AND METHODS: A literature search was performed in MEDLINE via PubMed database of the US National Library of Medicine of articles published until February 2018; a manual search was also added. Randomized controlled trials, controlled trials, prospective and retrospective cohort studies with a minimum of 20 subjects, having cases with/without exposure to the risk indicator were included...
April 2019: Implant Dentistry
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