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Dental implants have become a predictable treatment modality that is widely used in the rehabilitation of edentulous areas. The primary stability achieved shortly after implant installation is necessary for the success of osseointegration, as well as one of the main factors that influence the survival rates of the implants. This study aimed to compare the primary and secondary stability, measured by Resonance Frequency Analysis (RFA), in implants of different lengths installed in areas submitted to maxillary sinus lift using BioOssu00ae as graft biomaterial. Correlation between RFA and implant insertion torque was also assessed.The study was approved by the Research Ethics Committee 53955215.0.0000.5137.Twenty implants of 9 and 11mm were inserted into areas submitted to maxillary sinus lift. The insertion torque was measured using the Bien Airu00ae motor and the Osstellu00ae, determined the ISQ (Implant Stability Quotient) at two times: the day of implant installation (T1) and 90 days after implant installation (T2). A D'Agostino-Pearson normality test showed that the data of these variables, Implant Stability Quotient (ISQ) and insertion torque, have a normal distribution. The paired t-test was performed to assess the existence of differences in ISQ between T1 and T2. A Student's t-test was performed to assess any differences in ISQ between the 9mm implants and the 11mm implants. The Pearson correlation test was used to evaluate the existence of a correlation between ISQ and insertion torque at T1.No differences were observed in the ISQ between T1 and T2 when the 20 implants were grouped, nor when the 9mm implants were evaluated separately. In contrast, when the 11mm values were evaluated separately, the ISQ was significantly higher at T2 than at T1 (p 0.05). At T1, the 9mm implants had a higher ISQ than the 11mm ones (p 0.05), whereas at T2 the 11mm implants showed a higher ISQ than the 9mm implants (p
The fifth volume of the ITI Treatment Guide series provides clinicians with evidence-based data and practical information relating to sinus floor elevation procedures to ensure adequate bone volume for implant placement. Strong emphasis has been placed on proper case selection based on a comprehensive clinical and radiologic examination of the patient. Treatment options for transcrestal and lateral window protocols for sinus floor elevation are presented, along with guidelines for choosing the appropriate technique based on thorough risk evaluation and the relative complexity of each option. Detailed case studies and illustrations support the clinical recommendations and highlight the challenges associated with the management of complications of these surgical procedures. An essential guide for managing patients requiring dental implants in the atrophic posterior maxilla.
Clinical studies have shown that posterior maxilla is associated with challenges in the implant dentistry. Sinus lift procedures are required for sufficient bone volume in the maxillary ridge. Osseointegration of titanium implants in and their stability in grafted and nongrafted sites has been shown by means of resonance frequency analysis (RFA). Aim/Hypothesis. The aim of our study was to evaluate the implant stability quotient (ISQ) results of the resonance frequency (RF) in grafted and nongrafted sinus lift procedures on the first day of surgery and after 1, 4, 16 weeks of healing period. Materials and Methods. In this study were included 58 healthy patients, where sinus lift was obtained. In all, 137 SLA ITI Standard plus implants were placed. In the first group of 27 patients, 62 implants were placed following sinus lift and grafted with Bio Oss 0.25u20131 mm particle size (small particles), and in the second group of 31 patients 75 implants were placed without bone augmentation. Resonance frequency analysis (RFA) was measured at both groups to get implant stability quotient (ISQ) values. Student's t test was used to calculate P values for ISQ with Statistica 7. Results. On the first day and one week after surgery no statistical difference was observed in ISQ values of implants placed in grafted and nongrafted sinus lift procedures (p=0,651). After 4 and 16 weeks, grafted sites showed higher ISQ values than the control site. Conclusion. Sinus lift procedures on grafted sites offer better long term stability. RFA values during the healing period are predictable for the implant outcome during maxillary sinus lift procedures.
This issue of Dental Clinics of North America focuses on Unanswered Questions in Implant Dentistry and is edited by Dr. Mohanad Al-Sabbagh. Articles will include: Is there a contraindication for dental implant?; Should cone beam tomography be routinely obtained in implant dentistry?; What is the optimal ridge preservation technique?; Resorbable versus non-resorbable membrane: when and why?; Is there an alternative to an invasive site development?; Tissue engineering: what is new?; What is the best available micro and macro dental implant topography?; Can we achieve osseointegration without primary stability?; How reliable and predictable is fully guided technology?; Zygomatic implants or sinus lift for the atrophic maxilla with a dentate mandible?; Is there an ideal material for implant supported prosthesis?; Soft tissue quality and quantity: better implant longevity?; Is peri-implantitis Curable?; What Is the Best Cement for Implant Supported Prosthesis?; and more!
This atlas, in which a wealth of illustrations are supported by clear explanatory text, offers an up-to-date and comprehensive overview of the immediate restoration of teeth and immediate functional loading when using different implant systems and surfaces in patients with single tooth loss or partial or complete edentulism. It provides guidance on all aspects of technique, including procedures for impression and measurement taking, and describes the surgical and prosthetic protocols applicable in various settings. The coverage encompasses the more advanced techniques used for immediate loading of implants placed in conjunction with grafting/augmentation procedures or in fresh extraction sockets, as well as immediate implant loading for mandibular and maxillary full-arch rehabilitation. This atlas will help dental students and practitioners to gain a sound understanding of immediate loading techniques, including their indications and limitations, and to apply them optimally in their practice. The atlas also shows and explains how to integrate a full digital workflow from the intraoral scanner to solve complex cases in a simple way.
It provides a concise and accessible introduction and revision aid, comprehensively covering all the constituent sub-topics that comprise implant dentistry. Following the familiar, easy-to-use at a Glance format, each topic is presented as a double-page spread with facts accompanied by clear diagrams and clinical photographs encapsulating essential information. Is an ideal companion for all students of dentistry, junior clinicians and members of the dental team with an interest in implant dentistry. [editor].
BACKGROUND: Resonance frequency analysis (RFA) is a simple, practical, reproducible, clinically feasible and non-invasive method that allows to safely assess the degree of stiffness that the implant is within the bone structure. AIM: According to the applied methodology, the aim of this clinical study was to perform a research to evaluate the stability of two different types of implants, with resonance frequency analysis (RFA). METHODS AND MATERIALS: This clinical research was approved by the ethical committee (Plataforma Brasil) under the number CAEE 54726816.6.0000.5374. Patients were submitted to conventional dental implant surgery with installation of two implants, Straumannu2019s, Bone Level Tapered (BLT) 4x8mm and SINu2019s Unitite 4x8,5mm. Each patient received two implants, one from each brand, with their respective healing abutments. The stability of the implants (ISQ) was measured by the Osstell apparatus. A torque of 10Ncm was applied to the smartpegs. The stability of the implants was measured at the time of surgery, four, six and eight weeks post-surgery. At each stage, three measurements were taken and a mean (mean ISQ) was obtained for each implant. RESULTS: Each group (SINu00ae and Straumannu00ae) was treated, separately, with ANOVA and the differences found identified by Tukey-Kramer multiple comparisons test. The Straumann implants show no statically difference in the ISQ values for all measurements. The SIN group showed only a statistically lower ISQ value in the 4 week. The two groups were compared in all stages with a paired t-test. The ISQ values u200bu200bfor the Straumann groups were statistically higher in all stages (P
Written by recognized dental implant surgery experts Marco Rinaldi, Scott Ganz, and Angelo Mottola, Computer-Guided Applications for Dental Implants, Bone Grafting, and Reconstructive Surgery is the first text to provide state-of-the-art information on procedures and techniques used in guided dental implant surgery and bone grafting. It begins with the basic principles of guided dental implants including anatomical obstacles, pathologies, and pharmacological management of patients, and then uses a templated, atlas format to discuss clinical case studies. With a companion website includes videos demonstrating surgical procedures, this text makes it easier for the entire surgical team to share in the diagnosis and treatment planning for patients receiving implants. Coverage of computer-guided surgery from treatment planning to recovery includes a combination of actual 3-D computed imagery and clinical photos to clearly demonstrate implant surgeries. Bone grafting protocols address 3-D evaluation of bone density and the use of bone grafts to augment bone volume prior to dental implant surgery. 40 case studies include pre- and post-operative considerations as well as the description of the surgical procedure, using high-quality clinical photos as well as CT and 3-D images to clearly illustrate every guided-implant challenge. Over 1,800 full-color images include pre-, intra-, and post-operative photographs, showing pathologies, procedures, and outcomes. Expert, authoritative authors provide guidance based upon extensive experience with current techniques as well as the latest technological advances in guided-implant surgery. A companion website includes 10 video clips that are linked to selected clinical cases in the text. Digital book formats supplement the print book, making this reference easy to access on iPads, tablets, e-readers, and smart phones.