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Implant stability quotient

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https://www.readbyqxmd.com/read/28389025/the-effect-of-2-versus-4-implants-on-implant-stability-in-mandibular-overdentures-a-randomized-controlled-trial
#1
Wafa'a R Al-Magaleh, Amal A Swelem, Iman A W Radi
STATEMENT OF PROBLEM: Dental research is rich with articles that investigated the influence of host-site variables, some implant-related variables (implant length, diameter, taper, design, location, and surface topography), different loading protocols or surgical procedures, and measurement methodology on dental implant stability. However, the number of implants and its effect on implant stability remain unclear. PURPOSE: The purpose of this randomized clinical trial was to investigate the influence of implant number on implant stability by comparing 2 versus 4 implants in mandibular implant overdentures...
April 4, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28373978/monitoring-the-changes-of-material-properties-at-bone-implant-interface-during-the-healing-process-in-vivo-a-viscoelastic-investigation
#2
Hsiang-Ho Chen, Wei-Yi Lai, Tze-Jian Chee, Ya-Hui Chan, Sheng-Wei Feng
The aim of this study was to monitor the changes of viscoelastic properties at bone-implant interface via resonance frequency analysis (RFA) and the Periotest device during the healing process in an experimental rabbit model. Twenty-four dental implants were inserted into the femoral condyles of rabbits. The animals were sacrificed immediately after implant installation or on day 14, 28, or 56 after surgery. Viscoelastic properties at bone-implant interface were evaluated by measuring the implant stability quotient (ISQ) using RFA and by measuring the Periotest values (PTVs) using the Periotest device...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28296984/implant-stability-and-bone-characteristics-in-free-fibula-flaps-used-for-jaw-reconstruction-a-prospective-cohort-study
#3
Vinay V Kumar, Ullash Kumar, Vijay Pillai, Vinotha Ponnusamy, Bilal Al-Nawas, Moni A Kuriakose
PURPOSE: The primary objective of this prospective cohort study was to evaluate primary and secondary implant stability values of implants placed into healed free fibula-reconstructed mandibles. The secondary objective was to investigate whether a correlation existed between primary implant stability and the quantity of cortical bone-implant contact and of cortical fibular bone in contact with the implants. MATERIALS AND METHODS: The study participants are patients enrolled in a registered trial (No...
March 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28218866/improvement-in-the-initial-isq-through-use-of-a-modified-surgical-technique
#4
Rosa-Maria Diaz-Sanchez, Jose-Maria Delgado-Muñoz, Pilar Hita-Iglesias, Kyle T Pullen, Maria-Angeles Serrera-Figallo, Daniel Torres-Lagares
To ensure that similar primary implant stability measured by resonance frequency analysis (RFA) could be obtained in different jawbone densities by using a specific surgical drilling protocol and, to correlate those RFA measurements with factors related to the implant design, width and length, we are performed a one-year prospective clinical study was carried out using 27 subjects. A total of 67 hydrophilic titanium implants were placed using a standard two-stage implant placement protocol. The bone type at each implant site was determined by evaluation of a preoperative, high-resolution cone beam computed tomography (CBCT) scan...
February 20, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28216849/assessment-of-implant-stability-during-various-stages-of-healing-placed-immediately-following-extraction-in-an-overdenture-situation
#5
Ashwin Thomas Koshy, T Aby Mathew, Nicholas Mathew, Angel Mary Joseph
To assess the implant stability during different stages of healing in an immediate loaded implant soon after extraction. A 73-year-old female came with a chief complaint of bad smell and irritation in her lower front gum region. On examination, she was found to be completely edentulous in the maxillary arch and partially edentulous in the mandibular arch with only the canines present bilaterally. The posterior mandibular ridge was severely resorbed and hence could not be treated with a conventional mandibular complete denture...
January 2017: Journal of Indian Prosthodontic Society
https://www.readbyqxmd.com/read/28168242/does-implant-design-affect-primary-stability-in-extraction-sites
#6
Matthias Karl, Ainara Irastorza-Landa
OBJECTIVE: Immediate implant placement and restoration following tooth extraction is desirable for shortening treatment times and maintaining oral structures. With a variety of bone-level implants available on the market, the goal of this in-vitro study was to compare different implant designs. METHOD AND MATERIALS: Using a polyurethane foam sandwich model with an intermediate cortical layer, a standardized extraction socket model was created. The following implant systems were assessed: OsseoSpeed EV (Astra), Straumann Bone Level Tapered (BLT), and Nobel Active (NA)...
2017: Quintessence International
https://www.readbyqxmd.com/read/28160577/the-effects-of-surgical-preparation-techniques-and-implant-macro-geometry-on-primary-stability-an-in-vitro-study
#7
G Falisi, M Severino, C Rastelli, S Bernardi, S Caruso, M Galli, L Lamazza, C Di Paolo
BACKGROUND: The attainment of a good primary stability is a necessary condition to ensure the success of osseointegration in implantology. In type IV cancellous bone, however, it is possible that a reduced primary stability can lead to an increased rate of failure. The aim of this study was therefore to determine, with the help of the resonance frequency (Osstell mentor), which technique of implant site preparation (piezo surgery, conventional, under-preparation, bone compaction, osteodistraction) and macro-geometry is able to improve implant stability in type IV cancellous bone...
March 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28150188/customized-smartpeg-for-measurement-of-resonance-frequency-of-mini-dental-implants
#8
Jagjit Singh Dhaliwal, Rubens F Albuquerque, Ali Fakhry, Sukhbir Kaur, Jocelyne S Feine
BACKGROUND: One-piece narrow diameter implants (NDIs) have been recommended as "Single-tooth replacements in the anterior zones, single posterior, multiple-unit fixed dental prosthesis (FDP), edentulous jaws to be rehabilitated with FDP, and edentulous jaws rehabilitation with overdentures in situations with reduced mesiodistal space or reduced ridge width." (ITI consensus 2013). Since NDIs can be immediately loaded, it is important to be able to carry out stability testing. We developed and validated a customized SmartPeg for this type of implant to measure the Implant Stability Quotient (ISQ)...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28101497/the-factors-that-influence-postoperative-stability-of-the-dental-implants-in-posterior-edentulous-maxilla
#9
Yun-Ho Kim, Na-Rae Choi, Yong-Deok Kim
BACKGROUND: All clinicians are aware of the difficulty of installing a dental implant in posterior maxilla because of proximate position of maxillary sinus, insufficient bone width, and lower bone density. This study is to examine which factors will make the implantation in the posterior maxilla more difficult, and which factors will affect the postoperative implant stability in this region. METHODS: Five hundred seventy-three fixtures on the maxilla posterior were included for this study from all the patients who underwent an installation of the dental implant fixture from January 2010 to December 2014 at the Department of Oral and Maxillofacial Surgery in Pusan National University Dental Hospital (Yangsan, Korea)...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28095527/satisfaction-and-clinical-outcomes-among-patients-with-immediately-loaded-mandibular-overdentures-supported-by-one-or-two-dental-implants-results-of-a-5-year-prospective-randomized-clinical-trial
#10
RANDOMIZED CONTROLLED TRIAL
Mats Kronstrom, Ben Davis, Robert Loney, Jack Gerrow, Lars Hollender
PURPOSE: The purpose of this study was to evaluate patient satisfaction and clinical outcomes among subjects with mandibular overdentures supported by one or two immediately placed dental implants 5 years after loading. MATERIALS AND METHODS: Thirty-six subjects (16 men and 20 women) received one or two dental implants in the anterior mandible, and all implants were loaded the day of surgery. Subjects were scheduled for follow-up 3-, 6-, and 12 months after implant placement and thereafter annually for 4 more years...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28095522/correlation-between-resonance-frequency-analysis-and-bone-quality-assessments-at-dental-implant-recipient-sites
#11
Min-Wen Fu, Earl Fu, Fu-Gong Lin, Wei-Jeng Chang, Yao-Dung Hsieh, E-Chin Shen
PURPOSE: To evaluate whether primary implant stability could be used to predict bone quality, the association between the implant stability quotient (ISQ) value and the bone type at the implant site was evaluated. MATERIALS AND METHODS: Ninety-five implant sites in 50 patients were included. Bone type (categorized by Lekholm and Zarb) at the implant site was initially assessed using presurgical dental radiography. During the preparation of the implant site, a bone core specimen was carefully obtained...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28079610/influence-of-the-localization-of-frontal-bone-defects-on-primary-stability-values-of-2-different-implant-designs-an-in-vitro-study
#12
Ugur Mercan, Hakan Bilhan, Deniz Gokce Meral, Sehnaz Kazokoglu, Gokce Aykol-Sahin, Onur Geckili
OBJECTIVES: The aim of this study was to determine the influence of different frontal bone defect localizations on primary stability values of 2 different implant designs. MATERIALS AND METHODS: Eight cow rib segments were prepared before implant installation, as 2 segments with coronal, 2 with middle, and 2 with apical defects and 2 with control. Thirty-two cylindrical and 32 tapered implants were placed in the remaining 4 segments. Implant stability measurements were performed using electronic percussive testing and resonance frequency analysis...
February 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28068301/successful-loading-of-a-bone-anchored-hearing-implant-at-1-week-after-surgery
#13
Morten Høgsbro, Andreas Agger, Lars Vendelbo Johansen
OBJECTIVE: To assess implant stability and safety of loading a bone-anchored implant 1 week after surgery. The patients were loaded at 1 week for fast rehabilitation and ease of logistics. DESIGN: Single center, prospective cohort study of 25 adults with expected normal skin and bone quality. INTERVENTION: Implantation of the Baha BA400 implant system using a linear incision technique without skin thinning. Abutment lengths of 8, 10, and 12 mm were used...
February 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28048965/the-developing-stability-of-posterior-mandibular-implants-associated-with-bone-expansion-and-conventional-drilling-techniques
#14
Yen Ting Lin, Adrienne Hong, Ying Chin Peng, Hsiang Hsi Hong
Clinical decisions regarding the stability and osseointegration of mandibular implants positioned using the bone expansion techniques are conflicting and limited. The objective was to evaluate the stability of implants placed using two surgical techniques, selected according to the initial width of the mandibular posterior edentulous ridge, with D3 bone density, during a 12-week period. Fifty-eight implants in 33 patients were evaluated. Thirty-two implants in 24 patients were positioned using the osteotome expansion technique, and twenty-six fixtures in 17 patients were installed using the conventional drilling technique...
January 3, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28042440/immediate-vs-non-immediate-loading-post-extractive-implants-a-comparative-study-of-implant-stability-quotient-isq
#15
L Milillo, C Fiandaca, F Giannoulis, L Ottria, A Lucchese, F Silvestre, M Petruzzi
PURPOSE: This study aims to evaluate differences in implant stability between post-extractive implants vs immediately placed post-extractive implants by resonance frequency analysis (RFA). MATERIALS AND METHODS: Patients were grouped into two different categories. In Group A 10 patients had an immediate post-extractive implant, then a provisional, acrylic resin crown was placed (immediate loading). In Group B (control group) 10 patients only had an immediate post-extractive implant...
July 2016: Oral & Implantology
https://www.readbyqxmd.com/read/27984434/effects-of-surface-treatment-modification-and-implant-design-in-implants-placed-crestal-and-subcrestally-applying-delayed-loading-protocol
#16
José Eduardo Maté Sánchez de Val, Gerardo Gómez-Moreno, Matilde Ruiz-Linares, Juan Carlos Prados-Frutos, Sergio Alexandre Gehrke, José Luis Calvo-Guirado
OBJECTIVES: The aim of this study is to evaluate the effect of the surface modification and cervical implant design on the bone remodeling in implants installed at the crestal and subcrestal bone level. METHODS: Ten American Fox Hound of approximately 1 year of age, each weighing approximately 14 to 15 kg, were used for this study. Two different dental implant macrodesign were used: cylindric-conical with 3.5 mm of diameter and 9 in length (implant A) and conical with 2...
March 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27977827/minimally-invasive-sinus-augmentation-procedure-using-a-dedicated-hydraulic-sinus-lift-implant-device-a-prospective-case-series-study-on-clinical-radiologic-and-patient-centered-outcomes
#17
Marco Tallarico, Silvio Mario Meloni, Erta Xhanari, Milena Pisano, David L Cochran
The aim of this study was to evaluate clinical and radiologic outcomes of a novel device that allows simultaneous hydraulic sinus membrane elevation, bone grafting, and implant placement. A sample of 18 consecutive participants with severe atrophy of the posterior maxilla underwent transcrestal elevation of the sinus membrane and implant placement. At the 6-month follow-up, the following parameters were assessed: implant success, any complications, marginal bone loss (MBL), three-dimensional (3D) graft measurements, implant stability quotient (ISQ), and graft density...
January 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27933572/relation-between-the-stability-of-dental-implants-and-two-biological-markers-during-the-healing-period-a-prospective-clinical-study
#18
Choknapa Tirachaimongkol, Peraphan Pothacharoen, Peter A Reichart, Pathawee Khongkhunthian
OBJECTIVES: The purposes of this study were to examine the correlation between the stability of dental implants and bone formation markers during the healing period and to monitor the stability of dental implants using the resonance frequency analysis (RFA) method. The null hypothesis of the study is no correlation between the stability of dental implant and bone formation markers. METHODS: The study is a prospective clinical study during the 3-month healing period of implant...
December 2016: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27922455/primary-stability-of-cylindrical-and-conical-dental-implants-in-relation-to-insertion-torque-a-comparative-ex-vivo-evaluation
#19
Henning Staedt, Victor Palarie, Arne Staedt, Jens M Wolf, Karl Martin Lehmann, Peter Ottl, Peer W Kämmerer
INTRODUCTION: The aim of this ex vivo study was to investigate the influence of different insertion torques on primary stability of a conical and a cylindrical implant system. MATERIALS AND METHODS: Thirty-two dental implants (Astra Tech OsseoSpeed 5.0 S × 11 mm cylindrical [n = 16] and 5.0 × 11 mm conical [n = 16]) were inserted with 20, 30, 40, and 45 N·cm into fresh porcine bone of mixed trabecular-cortical quality. Before insertion, bone quality was assessed via cone beam tomography...
April 2017: Implant Dentistry
https://www.readbyqxmd.com/read/27891492/effect-of-magnetic-field-on-bone-healing-around-endosseous-implants-an-in-vivo-study
#20
Mahalakshmi Gujjalapudi, Chandrasekar Anam, Praveen Mamidi, Radha Chiluka, A Gautam Kumar, Ragini Bibinagar
INTRODUCTION: After implant placement, a stress-free healing period of 3-6 months is a pre-requisite to achieve good osseointegration. If this duration could be reduced, the patients would feel happier. Eventhough, immediate loading of implants is a clinically feasible concept; it is not possible in certain situations. Few studies have shown that Static magnetic field is useful to promote bone formation faster after the bone is wounded. AIM: This pilot study was intended to evaluate the tissue response after implant placement under the influence of magnetic field...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
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