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International Journal of Implant Dentistry

Eijiro Sakamoto, Rie Kido, Yoritoki Tomotake, Yoshihito Naitou, Yuichi Ishida, Jun-Ichi Kido
BACKGROUND: Peri-implant crevicular fluid (PICF) contains calprotectin and NTx, which are markers for inflammation and bone resorption, respectively. The aims of this pilot study were to compare calprotectin and NTx levels in PICF from implant sites with or without peri-implant diseases and to evaluate the usefulness of calprotectin and NTx as diagnostic markers for peri-implant diseases. METHODS: Thirty-five patients with dental implants participated in this pilot study...
September 13, 2018: International Journal of Implant Dentistry
Miriam Ting, Philip Afshar, Arik Adhami, Stanton M Braid, Jon B Suzuki
Maxillary sinus pneumatization following dental tooth extractions and maxillary alveolar bone resorption frequently leaves inadequate bone levels for implant placement. The objectives of this systematic review are to evaluate the effects of bone marrow aspirate concentrates (BMACs) used in maxillary sinus augmentation for implant site development.A systematic search was conducted using PubMed, EMBASE, Web of Science, Cochrane Library, and Google Scholar for studies which histomorphometrically evaluated the efficacy of BMACs and BMAC-enriched biomaterials in sinus floor elevation...
September 3, 2018: International Journal of Implant Dentistry
Paul S Rosen, Herman Sahlin, Rudolf Seemann, Ari S Rosen
BACKGROUND: This retrospective consecutive case series study was performed to determinate the survival rate and implant stability of short (7 mm length) dental implants with an electrowetted hydrophilic surface that were in function from 1 to 7 years. METHODS: A retrospective chart review identified and evaluated 86 consecutively placed 7-mm-long dental implants (ProActive, Neoss Ltd., Harrogate, England) in 75 patients. Analysis was performed for implant survival as well as implant stability, as measured by insertion torque (IT) and resonance frequency analysis (RFA)...
August 23, 2018: International Journal of Implant Dentistry
Ausra Ramanauskaite, Kathrin Becker, Gintaras Juodzbalys, Frank Schwarz
BACKGROUND: This retrospective analysis aimed at comparing the clinical outcomes following combined surgical therapy of peri-implantitis at initially grafted and non-grafted (i.e., pristine) implant sites. METHODS: A total of 39 patients exhibiting 57 implants diagnosed with peri-implantitis (i.e., 16 implants at grafted and 41 implants at non-grafted sites) were included. Each subject had received a combined (i.e., implantoplasty and augmentative therapy) surgical treatment procedures at respective implants (grafted sites: 10 patients, 16 implants, non-grafted sites: 29 patients, 41 implants)...
August 9, 2018: International Journal of Implant Dentistry
Toshihisa Toyoda, Kazushige Isobe, Tetsuhiro Tsujino, Yasuo Koyata, Fumitaka Ohyagi, Taisuke Watanabe, Masayuki Nakamura, Yutaka Kitamura, Hajime Okudera, Koh Nakata, Tomoyuki Kawase
BACKGROUND: Based on the notion that full activation of platelets is required for a growth factor release, in regenerative dentistry, platelet-rich plasma (PRP) in liquid form is usually clotted by addition of CaCl2 in glassware before topical implantation. However, there has been no evidence as to which is better, full or partial activation of platelets, for minimizing the loss of growth factors and improving the controlled release of growth factors from coagulated PRP. To address this matter, here, we primarily examined direct effects of CaCl2 on platelets in PBS and on coagulation in citrated PRP...
August 1, 2018: International Journal of Implant Dentistry
Hiroko Ishii, Akemi Tetsumura, Yoshikazu Nomura, Shin Nakamura, Masako Akiyama, Tohru Kurabayashi
BACKGROUND: The aim of this study was to evaluate the visibility of the superior and inferior walls of the mandibular canal separately using limited volume cone beam computed tomography (CBCT) with small voxel size. METHODS: CBCT cross-sectional images of 86 patients obtained by 3D Accuitomo FPD and reconstructed with a voxel size of 0.08 mm were used for the evaluation. A 30-mm range of the mandible just distal to the mental foramen was divided into three equal areas (areas 1, 2, and 3, from anterior to posterior)...
July 26, 2018: International Journal of Implant Dentistry
Cassio Rocha Scardueli, Carolina Bizelli-Silveira, Rosemary Adriana C Marcantonio, Elcio Marcantonio, Andreas Stavropoulos, Rubens Spin-Neto
The literature states that Strontium (Sr) is able to simultaneously stimulate bone formation and suppress bone resorption. Recent animal studies suggest that the systemic administration of Sr, in the form of strontium ranelate (SRAN), would enhance the osseointegration of implants. The purpose of the present study was to undertake a systematic review on animal studies evaluating the systemic administration of Sr to enhance the osseointegration of titanium implants and the remodeling of bone grafts. The MEDLINE (PubMed) and Scopus bibliographic databases were searched from 1950 to October 2017 for reports on the use of systemic and non-radioactive Sr to enhance the osseointegration of titanium implants and the remodeling of bone grafts in animals...
July 17, 2018: International Journal of Implant Dentistry
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
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
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
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
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
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
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
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
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
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
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
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
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
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