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International Journal of Implant Dentistry

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https://www.readbyqxmd.com/read/29971513/survival-of-dental-implants-placed-in-autogenous-bone-grafts-and-bone-flaps-in-head-and-neck-oncology-patients-a-systematic-review
#1
REVIEW
Dominic P Laverty, Robert Kelly, Owen Addison
Using implants to retain prostheses as part of the oral rehabilitation of head and neck cancer patients is an increasingly common treatment modality, particularly in transported bone which is used to reconstruct defects following oncological surgical resection. The aim of this systematic review is to evaluate the survival of dental implants placed into autogenous bone grafts and flaps, in head and neck cancer patients. MEDLINE, EMBASE, CENTRAL and Science Direct databases were searched (1980-August 2017) for studies evaluating intra-oral implant placement into autogenous bone grafts and flaps in H&N cancer patients...
July 4, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29916181/reusing-dental-implants-an-experimental-study-for-detecting-the-success-rates-of-re-osseointegration
#2
Murat Ulu, Erdem Kılıç, Emrah Soylu, Mehmet Kürkçü, Alper Alkan
BACKGROUND: The aim of this study was to histomorphometrically compare the implant-host integration between retrieved implants and new implants. METHODS: Jaws in 10 male beagle dogs were divided into four groups, and 36 dental implants were inserted into the jaws. In groups 1 and 2, experimental peri-implantitis was induced within 2 months after implant insertion. In group 1, surface decontamination of implants was achieved using air-flow and citric acid. In group 2, implants were sterilized with autoclave after air-flow and citric acid surface decontamination...
June 19, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29900480/bioactive-hybrid-zirconia-implant-surface-for-enhancing-osseointegration-an-in-vivo-study
#3
Dawlat Mostafa, Moustafa Aboushelib
BACKGROUND: Zirconia is characterized by a hard, dense, and chemically inert surface which requires additional surface treatments in order to enhance osseointegration. The proposed hypothesis of the study was that combination of a nano-porous surface infiltrated with a bioactive material may enhance osseointegration of zirconia implants. METHODS: Custom-made zirconia implants (3.7 mm × 8 mm) were designed, milled, and sintered according to manufacturer recommendations...
June 14, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29869022/3d-evaluation-of-the-maxillary-sinus-in-cone-beam-computed-tomography
#4
Julia Luz, Dominique Greutmann, Daniel Wiedemeier, Claudio Rostetter, Martin Rücker, Bernd Stadlinger
BACKGROUND: There are few studies measuring the dimensions of the maxillary sinus, being mostly based on computed tomography imaging and rarely being based on cone-beam computed tomography (CBCT). The aim of this study was to measure the 3D osseous and soft tissue defined volume and surface area of the maxillary sinus. Further, possible associations with patient-specific and sinus-related variables were evaluated. METHODS: A total of 128 maxillary sinuses in 64 patients were analyzed using cone-beam computed tomography data...
June 5, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29790033/biomechanical-properties-of-polymer-infiltrated-ceramic-crowns-on-one-piece-zirconia-implants-after-long-term-chewing-simulation
#5
Pia Baumgart, Holger Kirsten, Rainer Haak, Constanze Olms
BACKGROUND: Implant and superstructure provide a complex system, which has to withstand oral conditions. Concerning the brittleness of many ceramics, fractures are a greatly feared issue. Therefore, polymer-infiltrated ceramic networks (PICNs) were developed. Because of its low Young's modulus and high elastic modulus, the PICN crown on a one-piece zirconia implant might absorb forces to prevent the system from fracturing in order to sustain oral forces. Recommendations for the material of superstructure on zirconia implants are lacking, and only one study investigates PICN crowns on these types of implants...
May 23, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29770891/crestal-endoscopic-approach-for-evaluating-sinus-membrane-elevation-technique
#6
Samy Elian, Khaled Barakat
Closed sinus lifting is a unique technique in being simple and less invasive (Summers, Compendium 15(6):698, 1994). However, it is blind to assess the safety of sinus lining during lifting without perforation. Previously, sinus membrane was assessed endoscopically in an invasive way. We aimed to judge clinically the sinus membrane integrity after crestal elevation by a direct simple less invasive endoscopic visual assessment through the crestal osteotomy site. To confirm undetected perforation, the sinus membrane was monitored dynamically by introducing the endoscope through a trephined opening in the lateral wall of the sinus (Nkenke et al...
May 17, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29736592/a-preliminary-report-on-dental-implant-condition-among-dependent-elderly-based-on-the-survey-among-japanese-dental-practitioners
#7
REVIEW
Yuji Sato, Shigeto Koyama, Chikahiro Ohkubo, Shin Ogura, Ryutaro Kamijo, Soh Sato, Jun Aida, Yuichi Izumi, Mihoko Atsumi, Akio Isobe, Shunsuke Baba, Noriharu Ikumi, Fumihiko Watanabe
BACKGROUND: The objective of this study was to ascertain the situation relevant to implants, the status of oral self-care, the status of aftercare provided by the dentist who placed the implant, and the usage status of the implant card, in homebound or institutionalized older adults who are receiving home-visit dental care due to the inability to visit a dental clinic on their own. METHODS: A survey questionnaire was sent by post mail to 2339 people who are representative members or dental specialists belonging to any of the following three academic societies: Japanese Society of Oral Implantology, Japanese Society of Gerodontology, and Japan Prosthodontic Society...
May 8, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29696470/in-vitro-surface-characteristics-and-impurity-analysis-of-five-different-commercially-available-dental-zirconia-implants
#8
B Beger, H Goetz, M Morlock, E Schiegnitz, B Al-Nawas
BACKGROUND: The aim of this study was to assess surface characteristics, element composition, and surface roughness of five different commercially available dental zirconia implants. Five zirconia implants (Bredent whiteSKY™ (I1), Straumann® PURE Ceramic (I2), ceramic.implant vitaclinical (I3), Zeramex® (I4), Ceralog Monobloc M10 (I5)) were evaluated. METHODS: The evaluation was performed by means of scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), and confocal laser scanning microscopy (CLSM)...
April 26, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29663095/is-antral-membrane-balloon-elevation-truly-minimally-invasive-technique-in-sinus-floor-elevation-surgery-a-systematic-review
#9
REVIEW
Huda Moutaz Asmael
BACKGROUND: Minimally invasive antral membrane balloon elevation was introduced as a less traumatic technique in sinus floor elevation surgery. This is the first systematic review to assess the results of previous studies utilizing this technique. AIMS OF THE STUDY: The objectives of this study were to assess the bone gain, sinus augmentation success rate, implant survival rate, and complications with minimally invasive antral membrane balloon elevation technique in comparison with the sinus floor elevation by traditional transalveolar technique (Summers' technique)...
April 17, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29629492/the-influence-of-implant-abutment-connection-on-the-screw-loosening-and-microleakage
#10
Katsuhiro Tsuruta, Yasunori Ayukawa, Tatsuya Matsuzaki, Masafumi Kihara, Kiyoshi Koyano
BACKGROUND: There are some spaces between abutment and implant body which can be a reservoir of toxic substance, and they can penetrate into subgingival space from microgap at the implant-abutment interface. This penetration may cause periimplantitis which is known to be one of the most important factors associated with late failure. In the present study, three kinds of abutment connection system, external parallel connection (EP), internal parallel connection (IP), and internal conical connection (CC), were studied from the viewpoint of microleakage from the gap between the implant and the abutment and in connection with the loosening of abutment screw...
April 9, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29594820/prospective-multicenter-non-randomized-controlled-study-on-intraosseous-stability-and-healing-period-for-dental-implants-in-the-posterior-region
#11
Shinya Homma, Yasushi Makabe, Takuya Sakai, Kenzou Morinaga, Satoru Yokoue, Hirofumi Kido, Yasutomo Yajima
BACKGROUND: A current implant body surface was treated with "rough processing" by sandblasting and acid etching for the purposes of obtaining more reliable osseointegration and shortening the treatment period. Various reports have examined the healing period with the use of these implant bodies, but a consensus opinion has not yet been obtained. The purpose of this study is to evaluate the relationship between insertion torque (IT) and implant stability quotient (ISQ) at implant treatment using the current rough-surfaced implant...
March 29, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29556841/cast-accuracy-obtained-from-different-impression-techniques-at-different-implant-angulations-in-vitro-study
#12
Enas A Elshenawy, Ahmed M Alam-Eldein, Fadel A Abd Elfatah
BACKGROUND: Angulated implants may result in inaccurate impressions, and the impression technique may affect the accuracy of the definitive cast. This study was designed to compare the dimensional accuracy of casts obtained from three impression techniques for three definitive lower casts with implants at different angulations. METHODS: Three Osseolink implants were placed in three reference models with different angles (parallel, 15° and 30°). Impressions of each model were made with three techniques (n = 10 per group): indirect, unsplinted direct, and acrylic resin-splinted direct technique...
March 20, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29516219/finite-element-analysis-of-dental-implants-with-validation-to-what-extent-can-we-expect-the-model-to-predict-biological-phenomena-a-literature-review-and-proposal-for-classification-of-a-validation-process
#13
REVIEW
Yuanhan Chang, Abhijit Anil Tambe, Yoshinobu Maeda, Masahiro Wada, Tomoya Gonda
A literature review of finite element analysis (FEA) studies of dental implants with their model validation process was performed to establish the criteria for evaluating validation methods with respect to their similarity to biological behavior. An electronic literature search of PubMed was conducted up to January 2017 using the Medical Subject Headings "dental implants" and "finite element analysis." After accessing the full texts, the context of each article was searched using the words "valid" and "validation" and articles in which these words appeared were read to determine whether they met the inclusion criteria for the review...
March 8, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29484524/significance-of-mandibular-molar-replacement-with-a-dental-implant-a-theoretical-study-with-nonlinear-finite-element-analysis
#14
Masazumi Yoshitani, Yoshiyuki Takayama, Atsuro Yokoyama
BACKGROUND: Dental implants are frequently applied to unilateral defects in the mandible. However, implant placement in the molar region of the mandible can be difficult due to anatomical structure. The aim of this study was to evaluate the distribution of occlusal force in a mandibular shortened dental arch (SDA) with implants. METHODS: Three-dimensional finite element (FE) models of the mandible with varying numbers of teeth and implants were constructed. Models Im6 and Im67 contained one and two implants in the defect of the left molar region, respectively...
February 27, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29430613/evaluation-of-dimensional-behavior-of-peri-implant-tissues-in-implants-immediately-exposed-or-submerged-in-fresh-extraction-and-healed-sites-a-histological-study-in-dogs
#15
Sergio Alexandre Gehrke, Leana Kathleen Bragança, Eugenio Velasco-Ortega, José Luis Calvo-Guirado
BACKGROUND: The aim of this study was to compare histologically the dimensional behavior of peri-implant tissues during osseointegration of immediately exposed or submerged implant placement in fresh extraction and healed sites. METHODS: Four fresh extraction and four delayed implant sites were placed in each hemimandible of five dogs at the bone crest level. In 2 implants of each side were installed a healing abutment (exposed) and two cover screw (submerged) and formed four groups: implant installed in fresh extraction submerged (group 1), implants in fresh extraction immediately exposed (group 2), implants installed in healed site submerged (group 3), and implants in healed site immediately exposed (group 4)...
February 12, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29399707/impact-of-surgical-management-in-cases-of-intraoperative-membrane-perforation-during-a-sinus-lift-procedure-a-follow-up-on-bone-graft-stability-and-implant-success
#16
Benedicta E Beck-Broichsitter, Dorothea Westhoff, Eleonore Behrens, Jörg Wiltfang, Stephan T Becker
BACKGROUND: Until now, sinus floor elevation represents the gold standard procedure in the atrophic maxilla in order to facilitate dental implant insertion. Although the procedure remains highly predictive, the perforation of the Schneiderian membrane might compromise the stability of the augmented bone and implant success due to chronic sinus infection. The aim of this retrospective cohort study was to show that a membrane tear, if detected and surgically properly addressed, has no influence on the survival of dental implants and bone resorption in the augmented area...
February 5, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29380084/postgraduate-education-in-dental-implantology-in-the-united-kingdom-a-review
#17
REVIEW
Na Yeoun Kim, Sami Stagnell
BACKGROUND: The qualified dentists in the United Kingdom (UK) are not expected to be competent in practising implant dentistry without further training in the subject and there is now greater emphasis on postgraduate training in Dental Implantology. There are three main education pathways at present, yet their training standards vary significantly. This study aims to identify UK postgraduate academic qualifications and continuing professional development (CPD) courses available in the field of Dental Implantology and evaluates the current standard of the postgraduate training programmes against the Training Standards in Implant Dentistry (TSID) guidelines from Faculty of General Dental Practice (FGDP (UK))...
January 29, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29376211/membrane-perforation-rate-in-lateral-maxillary-sinus-floor-augmentation-using-conventional-rotating-instruments-and-piezoelectric-device-a-meta-analysis
#18
REVIEW
Corinne Jordi, Khaled Mukaddam, Jörg Thomas Lambrecht, Sebastian Kühl
OBJECTIVES: Maxillary sinus augmentation (MSA) is a successful and predictable intervention with low complication rates. Perforations of the Schneiderian membrane may occur impairing the general success. The aim of this study was to compare the incidence of membrane perforations between conventional rotating instruments and piezoelectric devices in a meta-analysis. MATERIAL AND METHODS: An electronic research on MEDLINE and PubMed database was performed evaluating the literature from 1980 till 2016...
January 29, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29332154/the-influence-of-systemically-or-locally-administered-mesenchymal-stem-cells-on-tissue-repair-in-a-rat-oral-implantation-model
#19
Miya Kanazawa, Ikiru Atsuta, Yasunori Ayukawa, Takayoshi Yamaza, Ryosuke Kondo, Yuri Matsuura, Kiyoshi Koyano
BACKGROUND: Multipotent mesenchymal stem cells (MSCs) are used clinically in regenerative medicine. Our previous report showed systemically injected MSCs improved peri-implant sealing and accelerated tissue healing. However, the risks of systemic MSC administration, including lung embolism, must be considered; therefore, their local application must be assessed for clinical safety and efficacy. We investigated differences in treatment effect between local and systemic MSC application using a rat oral implantation model...
January 13, 2018: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29318405/the-efficacy-of-a-porcine-collagen-matrix-in-keratinized-tissue-augmentation-a-5-year-follow-up-study
#20
C Maiorana, L Pivetti, F Signorino, G B Grossi, A S Herford, M Beretta
BACKGROUND: When keratinized tissue width around dental implants is poorly represented, the clinician could resort to autogenous soft tissue grafting. Autogenous soft tissue grafting procedures are usually associated with a certain degree of morbidity. Collagen matrices could be used as an alternative to reduce morbidity and intra-operatory times. The aim of this study was to assess the efficacy of a xenogeneic collagen matrix as a substitute for soft tissue grafting around dental implants...
January 10, 2018: International Journal of Implant Dentistry
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