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International Journal of Implant Dentistry

Motaz S Osman, Hassan M Ziada, Neamat H Abubakr, Ahmed M Suliman
BACKGROUND: The outcome of the evaluation of impression techniques accuracy may improve the selection criteria for an ideal technique. The aim was to evaluate the accuracy of the open and closed tray techniques for implant impressions, in a partially edentulous maxilla, replaced with a three-unit fixed partial denture, as well as to assess the effect of implants parallelism on accuracy. MATERIAL AND METHODS: This is an experimental in vitro study to evaluate impressions accuracy of a simulated area restored with an implant retained FPD, using the open and closed tray implant impression techniques...
February 19, 2019: International Journal of Implant Dentistry
Anton Dank, Irene H A Aartman, Daniël Wismeijer, Ali Tahmaseb
BACKGROUND: To review the literature on the effect of dental implant surface roughness in patients with a history of periodontal disease. The present review addresses the following focus question: Is there a difference for implant survival, mean marginal bone loss, and the incidence of bleeding on probing in periodontally compromised patients receiving a machined dental implant or rough surface dental implant? METHODS: Electronic and manual literature searches were conducted on PubMed/MEDLINE and the Cochrane Library on studies published until May 2018 to collect information about the effect of machined, moderately rough, and rough dental implant surfaces in patients with a history of periodontal disease...
February 13, 2019: International Journal of Implant Dentistry
Diego Fernandes Triches, Fernando Rizzo Alonso, Luis André Mezzomo, Danilo Renato Schneider, Eduardo Aydos Villarinho, Maria Ivete Rockenbach, Eduardo Rolim Teixeira, Rosemary Sadami Shinkai
BACKGROUND: This study assessed the relationship between insertion torque and bone quality evaluated during surgery and in preoperative computed tomographic (CT) images analyzed either visually or by rescaled mean gray values (MGVs). The study also tested the correlation between the clinical and radiographic measures of bone quality. METHODS: The consecutive sample was composed of 45 short implants (4.1 × 6 mm) placed in the posterior region of 20 patients...
February 11, 2019: International Journal of Implant Dentistry
Gian Maria Ragucci, Basel Elnayef, Fernando Suárez-López Del Amo, Hom-Lay Wang, Federico Hernández-Alfaro, Jordi Gargallo-Albiol
BACKGROUND: After tooth loss, the posterior maxilla is usually characterized by limited bone height secondary to pneumatization of the maxillary sinus and/or collapse of the alveolar ridge that preclude in many instances the installation of dental implants. In order to compensate for the lack of bone height, several treatment options have been proposed. These treatment alternatives aimed at the installation of dental implants with or without the utilization of bone grafting materials avoiding the perforation of the Schneiderian membrane...
February 5, 2019: International Journal of Implant Dentistry
Jonas Lorenz, Maximilian Blume, Tadas Korzinskas, Shahram Ghanaati, Robert A Sader
BACKGROUND: Short implants present a promising approach for patients with advanced atrophy to avoid augmentative procedures. However, concerns about increased biological and technical complications due to an unfavorable implant-crown ratio are still present. PURPOSE: The aim of the present retrospective study was to evaluate whether a reduced implant length has any impact on implant success and peri-implant hard and soft tissue health in implants placed in the posterior maxilla to avoid sinus augmentation procedures...
January 22, 2019: International Journal of Implant Dentistry
Kanyarin Benjaboonyazit, Pisaisit Chaijareenont, Pathawee Khongkhunthian
BACKGROUND: Despite the high survival rate of dental implants, screw loosening is frequently reported. Screw loosening can cause a misfit of the implant-abutment connection leading to peri-implantitis or abutment screw fracture. Therefore, studies about related factors and mechanism of screw loosening are needed. The aim of this study was to evaluate the decreasing pattern of removal torque values (RTVs) of a combined cone and octalobule index implant-abutment connection under different numbers of mechanical loading cycles...
January 14, 2019: International Journal of Implant Dentistry
Mehmet Ali Altay, Alper Sindel, Hüseyin Alican Tezerişener, Nelli Yıldırımyan, Mehmet Mustafa Özarslan
BACKGROUND: This study investigated objective and patient-reported esthetic outcomes and their correlation for single-tooth implant restorations in the maxillary anterior region. METHODS: Nineteen patients were included. Gingival biotypes and smile lines were evaluated. Esthetic evaluation was performed according to the pink and white esthetic scores (PES and WES). Patients rated their satisfaction regarding the implant treatment using a subjective outcome questionnaire and a 10-cm visual analogue scale (VAS)...
January 7, 2019: International Journal of Implant Dentistry
Puria Parvini, Karina Obreja, Robert Sader, Jürgen Becker, Frank Schwarz, Loutfi Salti
An oroantral fistula (OAF) is a pathological abnormal communication between the oral cavity and the maxillary sinus which may arise as a result of failure of primary healing of an OAF, dental infections, osteomyelitis, radiation therapy, trauma, or iatrogenic complications. With the presence of a fistula, the maxillary sinus is permanently open. Microbial flora passes from the oral cavity into the maxillary sinus, and the inflammation of the sinus occurs with all potential consequences. In literature, various techniques have been proposed for closure of OAFs...
December 27, 2018: International Journal of Implant Dentistry
Sotirios Konstantinos Saridakis, Wilfried Wagner, Robert Noelken
OBJECTIVES: This retrospective study examined the mid- to long-term clinical and radiographic performance of a tapered implant in various treatment protocols in patients with local and systemic risk factors (RFs). MATERIAL AND METHODS: Two hundred seven NobelActive implants were inserted in 98 patients in the period from 10/2008 to 02/2015. The subdivision of the cohort was defined by local (n = 40), systemic (n = 6), local and systemic (n = 8), or without any RFs (n = 44) to analyze implant survival and marginal bone levels...
December 17, 2018: International Journal of Implant Dentistry
Giuseppe Allocca, Diana Pudylyk, Fabrizio Signorino, Giovanni Battista Grossi, Carlo Maiorana
BACKGROUND: The aim of this randomized clinical trial was to assess the efficacy of an oscillating-rotating toothbrush in reducing plaque and inflammation around dental implants. METHODS: Eighty patients presenting dental implants were enrolled in this study and assigned randomly to two different groups: 40 patients in the test group and 40 in the control one. Each patient in the test group received an oscillating-rotating toothbrush while in the control group patients kept using the manual toothbrush...
December 10, 2018: International Journal of Implant Dentistry
Mai Ahmed Yousry El-Sheikh, Tamer Mohamed Nasr Mostafa, Mohamed Maamoun El-Sheikh
BACKGROUND: The purpose of this in vitro study was to evaluate the effect of different angulations and collar lengths of the implant abutment on screw loosening by measuring removal torque value (RTV) before and after dynamic cyclic loading using digital torque gauge. METHODS: A total 90 sets of 4.5 mm diameter × 10 mm length bone level implants with conical hybrid connection were used. They were divided equally according to abutment angulation, into three groups: GI 0° abutment, GII 15° abutment, and GIII 25°...
December 3, 2018: International Journal of Implant Dentistry
Shamit S Prabhu, Kevin Fortier, Michael C May, Uday N Reebye
Bone fragility and skeletal irregularities are the characteristic features of osteogenesis imperfecta (OI). Many patients with OI have weakened maxillary and mandibular bone, leading to poor oral hygiene and subsequent loss of teeth. Improvements in implant therapy have allowed for OI patients to achieve dental restoration. However, there is limited available literature on implant therapy for patients with OI. The greatest challenge in the restoration process for OI patients in an outpatient setting is ensuring primary stability and osseointegration...
November 23, 2018: International Journal of Implant Dentistry
Josipa Radic, Raphael Patcas, Bernd Stadlinger, Daniel Wiedemeier, Martin Rücker, Barbara Giacomelli-Hiestand
BACKGROUND: The aim of this study was to assess the diagnostic accuracy of various dentoalveolar pathologies based on panoramic radiography (OPG), cone beam computed tomography (CBCT) and printed 3D models in consecutive order; and to evaluate the impact of specialisation of residents in oral surgery (OS) versus residents in orthodontics (ORTH). METHODS: Fourteen residents were recruited to evaluate nine selected cases with different dentoalveolar pathologies. The residents were given for each case an OPG, a CBCT and a printed 3D model...
November 16, 2018: 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
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