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International Journal of Implant Dentistry

Dimitrios Apostolakis, Georgios Kourakis
BACKGROUND: The purpose of this study is to provide the relevant equations and the reference tables needed for calculating the maximum errors in implant positioning attributed to the properties of the mechanical parts of any CAD/CAM implant surgical guide, especially the in-office manufactured ones. METHODS: An algorithm was developed and implemented in C programming language in order to accurately calculate the maximum error at the apex, error at the neck, vertical error at the apex and deviation of implant axis, between the planned and the actual implant position...
November 9, 2018: International Journal of Implant Dentistry
Sven Marcus Beschnidt, Claudio Cacaci, Kerem Dedeoglu, Detlef Hildebrand, Helfried Hulla, Gerhard Iglhaut, Gerald Krennmair, Markus Schlee, Paul Sipos, Andres Stricker, Karl-Ludwig Ackermann
BACKGROUND: The performance of dental implants in controlled clinical studies is often investigated in homogenous populations. Observational studies are necessary to evaluate the outcome of implant restorations placed in real-life situations, according to standard practice, and to assess the needs of the patients. The aim of this non-interventional study was to reveal the survival, success, and general performance of CAMLOG SCREW-LINE implants and their restorations in daily dental practice...
November 2, 2018: International Journal of Implant Dentistry
Kathrin Becker, Annika Pliska, Caroline Busch, Benedict Wilmes, Michael Wolf, Dieter Drescher
BACKGROUND/AIM: Retraction of the upper incisors/canines requires maximum anchorage. The aim of the present study was to analyze the efficacy of mini implants in comparison to conventional devices in patients with need for en masse retraction of the front teeth in the upper jaw. MATERIAL AND METHODS: An electronic search of PubMed, Web of Science, and EMBASE and hand searching were performed. Relevant articles were assessed, and data were extracted for statistical analysis...
October 25, 2018: International Journal of Implant Dentistry
Demos Kalyvas, Andreas Kapsalas, Sofia Paikou, Konstantinos Tsiklakis
BACKGROUND: The aims of the present study were to determine the thickness of the Schneiderian membrane and identify the width of the maxillary sinus, which is indicated by the buccal and lingual walls of the sinus angle between. Furthermore, to investigate the possibility of a correlation between the aforementioned structures and also other anatomical and demographic parameters using CBCTs for dental implant surgical planning. METHODS: The study included CBCT images of 76 consecutive patients with field-of-view 15 × 12 or 12 × 8cm...
October 19, 2018: International Journal of Implant Dentistry
Jie Denny Luo, Catherine Miller, Tamara Jirjis, Masoud Nasir, Dileep Sharma
Non-steroidal anti-inflammatory drugs are commonly used in implant dentistry for management of post-operative pain. The objective of this systematic review was to analyse the effect of non-steroidal anti-inflammatory drugs on the osteogenic activity of osteoblasts with an emphasis on its effect on osseointegration. A systematic literature search for in vitro, animal models, and clinical trials was conducted using Ovid, PubMed, Scopus, and Web of Science databases. Articles published since the introduction of selective COX-2 inhibitors, between January 1999 and July 2018, were selected...
October 9, 2018: International Journal of Implant Dentistry
Yutaka Kitamura, Masashi Suzuki, Tsuneyuki Tsukioka, Kazushige Isobe, Tetsuhiro Tsujino, Taisuke Watanabe, Takao Watanabe, Hajime Okudera, Koh Nakata, Takaaki Tanaka, Tomoyuki Kawase
BACKGROUND: Platelet-rich plasma (PRP) is widely used in regenerative dentistry and other medical fields. However, its effectiveness has often been questioned. For better evaluation, the quality of individual PRP preparations should be assured prior to use. We proposed a spectrophotometric method for determination of platelet counts and validated its applicability using two types of PRP preparations. METHODS: Blood samples were obtained from healthy male volunteers and pure PRP (P-PRP) and leukocytes-rich PRP (L-PRP) were prepared using the double-spin method...
October 2, 2018: International Journal of Implant Dentistry
Puria Parvini, Robert Sader, Didem Sahin, Jürgen Becker, Frank Schwarz
BACKGROUND: To assess and compare the radiographic outcomes following lateral alveolar ridge augmentation using autogenous tooth roots (TR) and autogenous bone (AB) blocks. METHODS: In a total of 30 patients, lateral ridge augmentation was conducted in parallel groups using either (1) healthy autogenous tooth roots (e.g., retained wisdom or impacted teeth) (n = 15) or (2) cortical autogenous bone blocks harvested from the retromolar area. Cone-beam computed tomographic (CBCT) scans taken at 26 weeks of submerged healing were analyzed for the basal graft integration (i...
September 28, 2018: International Journal of Implant Dentistry
Rainde Naiara Rezende de Jesus, Eunice Carrilho, Pedro V Antunes, Amílcar Ramalho, Camilla Christian Gomes Moura, Andreas Stavropoulos, Darceny Zanetta-Barbosa
BACKGROUND: The high survival clinical success rates of osseointegration are requisites for establishing a long-term biomechanical fixation and load-bearing potential of endosseous oral implants. The objective of this preclinical animal study was to evaluate the effect of surface microtopography and chemistry on the early stages of biomechanical rigidity with a sandblasted, dual acid-etched surface, with or without an additional chemical modification (SAE-HD and SAE, respectively), in the tibia of Beagle dogs...
September 27, 2018: 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
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