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Implant stability quotient

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https://www.readbyqxmd.com/read/28710652/comparison-between-inflammation-related-markers-in-peri-implant-crevicular-fluid-and-clinical-parameters-during-osseointegration-in-edentulous-jaws
#1
Amália M Bielemann, Raissa M Marcello-Machado, Fábio Renato Manzolli Leite, Frederico Canato Martinho, Otacílio Luiz Chagas-Júnior, Altair Antoninha Del Bel Cury, Fernanda Faot
OBJECTIVES: The aim of this study is to improve the understanding of interleukin mechanisms during osseointegration to enhance the monitoring of implant failure and success. Clinical parameters, implant stability, and cytokine levels in peri-implant crevicular fluid (PICF) during early bone healing after implant placement were investigated. MATERIAL AND METHODS: Sixty narrow implants were placed in mandible anterior region of 30 edentulous patients (67.23 ± 7...
July 14, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28708918/the-influence-of-low-insertion-torque-on-primary-stability-implant-survival-and-maintenance-of-marginal-bone-levels-a-closed-cohort-prospective-study
#2
Michael R Norton
PURPOSE: The purpose of this study was to evaluate the impact of low insertion torque on primary stability and the short-term clinical outcome of single-tooth implants placed into healed ridges and fresh extraction sockets. MATERIALS AND METHODS: A cohort of n = 30 implants was self-selected on the basis that their insertion torque measured ≤ 20 Ncm. The cohort was closed with the follow-up set at 1 year. Resonance frequency analysis was evaluated in both mesiodistal (MD) and buccolingual (BL) directions at the time of implant insertion and at the time of restoration...
July 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28689908/the-insertion-torque-depth-curve-integral-as-a-measure-of-implant-primary-stability-an-in%C3%A2-vitro-study-on-polyurethane-foam-blocks
#3
Danilo Alessio Di Stefano, Paolo Arosio, Giorgio Gastaldi, Enrico Gherlone
STATEMENT OF PROBLEM: Recent research has shown that dynamic parameters correlate with insertion energy-that is, the total work needed to place an implant into its site-might convey more reliable information concerning immediate implant primary stability at insertion than the commonly used insertion torque (IT), the reverse torque (RT), or the implant stability quotient (ISQ). Yet knowledge on these dynamic parameters is still limited. PURPOSE: The purpose of this in vitro study was to evaluate whether an energy-related parameter, the torque-depth curve integral (I), could be a reliable measure of primary stability...
July 6, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28631408/resonance-frequency-analysis-of-dental-implants-placed-at-the-posterior-maxilla-varying-the-surface-treatment-only-a-randomized-clinical-trial
#4
Marcelo M Novellino, Newton Sesma, Piero R Zanardi, Dalva C Laganá
BACKGROUND: Chemical modifications of the dental implant surface that improve the wettability result in a faster and better osseointegration. PURPOSE: The aim of this randomized clinical trial was to evaluate the implant stability quotient (ISQ) of implants with similar designs, treated with 2 surfaces, sandblasted acid-etched (SAE) and hydrophilic SAE, within the initial 16 weeks of healing. MATERIAL AND METHODS: A total of 64 implants (32 SAE-control group and 32 modified SAE-test group) with the same design, length, and diameter (conical and compressive, 4...
June 20, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28626763/implant-stability-in-the-posterior-maxilla-a-controlled-clinical-trial
#5
Raquel Zita Gomes, Mario Ramalho de Vasconcelos, Isabel Maria Lopes Guerra, Rute Alexandra Borges de Almeida, Antonio Cabral de Campos Felino
AIM: To evaluate the primary and secondary stability of implants in the posterior maxilla. METHODS: Patients were allocated into three groups: (A) native bone, (B) partially regenerated bone, and (C) nearly totally regenerated bone. Insertion torque (IT) and implant stability quotient (ISQ) were measured at placement, to evaluate whether satisfactory high primary stability (IT ≥ 45 N/cm; ISQ ≥ 60) was achieved; ISQ was measured 15, 30, 45, and 60 days after placement, to investigate the evolution to secondary stability...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28578374/in-vitro-comparison-of-primary-stability-of-two-implant-designs-in-d3-bone
#6
J González-Serrano, R Ortega-Aranegui, J López-Quiles
BACKGROUND: Primary stability (PS) is a key factor for implant survival rate and depends on implant design or bone quality. The aim of this study was to compare different thread designs implants, evaluating PS with periotest values (PV) and implant stability quotient (ISQ) values through resonance frequency analysis (RFA). MATERIAL AND METHODS: A total of 60 implants (Radhex®, Inmet-Garnick S.A., Guadalajara, Spain) were placed in freshly bovine ribs in vitro. Two designs were used: 30 tapered body with single thread design (PHI) and 30 tapered body with double thread design implants (PHIA)...
July 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28566674/a-stability-evaluation-of-a-novel-titanium-dental-implant-interconnected-porous-hydroxyapatite-complex-under-functional-loading-conditions
#7
Kazuya Doi, Takayasu Kubo, Shiho Kajihara, Yusuke Makihara, Hiroshi Oue, Yoshifumi Oki, Vittoria Perrotti, Adriano Piattelli, Yasumasa Akagawa, Kazuhiro Tsuga
The aim of this study was to evaluate the stability of implant/interconnected porous calcium hydroxyapatite complex (implant/IPCHA-complex) under functional loading. Implant/IP-CHA-complexes were placed into the mandibles of four Beagle-Labrador hybrid dogs (complex-group). On the other side, an implant was placed directly (control-group). To subject the loading, the animals were fed a hard diet throughout the loading phase of 5 months. The implant stability quotients (ISQs) and bone implant contact (BIC), and histological evaluations were performed...
May 30, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28557376/comparison-between-tapered-and-cylindrical-implants-in-the-posterior-regions-of-the-mandible-a-prospective-randomized-split-mouth-clinical-trial-focusing-on-implant-stability-changes-during-early-healing
#8
Janine Waechter, Marina de Matos Madruga, Luiz Carlos do Carmo Filho, Fábio Renato Manzolli Leite, André Ribeiro Schinestsck, Fernanda Faot
BACKGROUND: Companies affirm that tapered implants show adequate initial stability, while their installation in the lower arch is uncommon in clinical practice. PURPOSE: To compare the clinical outcomes of tapered and cylindrical implants and to study their effect on bone site characteristics and peri-implant health during healing. MATERIALS AND METHODS: The implant site dimensions were assessed by linear measurements using CBCT prior to the installation of 40 implants in the posterior mandible (20 tapered and 20 cylindrical)...
May 29, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28551316/impacts-of-3d-bone-to-implant-contact-and-implant-diameter-on-primary-stability-of-dental-implant
#9
Jui-Ting Hsu, Yen-Wen Shen, Chih-Wei Kuo, Ruei-Teng Wang, Lih-Jyh Fuh, Heng-Li Huang
BACKGROUND/PURPOSE: This study investigated the effects of three three-dimensional (3D) bone-to-implant contact (BIC) parameters-potential BIC area (pBICA), BIC area (BICA), and 3D BIC percentage (3D BIC%; defined as BICA divided by pBICA)-in relation to the implant diameter on primary implant stability, as well as their correlations were also evaluated. METHODS: Dental implants with diameters of 3.75, 4, 5, and 6 mm and artificial bone specimens were scanned by microcomputed tomography to construct 3D models for calculating pBICA, BICA, and 3D BIC%...
May 24, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28549683/findings-from-the-experience-with-the-punch-technique-for-auditory-osseointegrated-implants-a-retrospective-single-center-comparative-study
#10
Alfonso Bonilla, Carlos Magri, Eulalia Juan
OBJECTIVE: To compare the punch technique and linear incision with soft tissue reduction for the placement of auditory osseointegrated implants (AOI) and analyze results of osseointegration obtained with the punch technique as measured with the Implant Stability Quotient (ISQ). METHODS: Case review of 34 patients who received auditory osseointegrated implants between January 2010 and July 2015 and were divided into two groups according to the surgical technique: 18 with the punch technique (PT) and 16 with the linear incision technique (LI)...
May 23, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28545806/a-systematic-review-and-meta-analysis-of-long-term-studies-five-or-more-years-assessing-maxillary-sinus-floor-augmentation
#11
REVIEW
T Starch-Jensen, H Aludden, M Hallman, C Dahlin, A-E Christensen, A Mordenfeld
The objective was to test the hypothesis of no difference in long-term (≥5 years) implant treatment outcomes after maxillary sinus floor augmentation (MSFA) with autogenous bone graft compared to a mixture of autogenous bone graft and bone substitutes or bone substitutes alone. A MEDLINE (PubMed), Embase, and Cochrane Library search in combination with a hand-search of relevant journals was conducted. Human studies published in English between January 1, 1990 and October 1, 2016 were included. Nine studies fulfilled the inclusion criteria...
May 22, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28543806/effect-of-microthreads-on-coronal-bone-healing-of-narrow-diameter-implants-with-reverse-tapered-design-in-beagle-dogs
#12
Yun-Young Chang, Su-Hwan Kim, Keun-Oh Park, Jeong-Ho Yun
OBJECTIVES: The objective of this study was to investigate the effect of microthreads on the coronal bone healing of narrow-diameter implants with reverse-tapered design. MATERIAL AND METHODS: A total of 52 implants were classified into two groups according to presence or absence of coronal microthreads, the reverse-tapered narrow-diameter implant (RTN) group, and the reverse-tapered narrow-diameter implant with microthreads (RTNM) group. The implants were installed in split-mouth design in the edentulous mandible of six dogs...
May 22, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28542904/can-resonance-frequency-analysis-rfa-detect-narrow-marginal-bone-defects-around-dental-implants-an-ex-vivo-animal-pilot-study
#13
Coral Jie Yao, Li Ma, Nikos Mattheos
BACKGROUND: Resonance Frequency Analysis (RFA) is widely applied to assess implant stability, as expressed by Implant Stability Quotient (ISQ). However, the relation between ISQ value and the presence and extent of narrow marginal bone defects around implants has not been documented. PURPOSE: To investigate the potential of RFA devices to identify the presence and extent of marginal bone defects around implants, as expressed by the ISQ values. MATERIALS AND METHODS: 28 Straumann bone level implants (BL) and 28 bone level tapered implants (BLT), were placed ex-vivo in porcine ribs...
May 25, 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28533009/comparison-of-implant-stability-measurement-devices-for-bone-anchored-hearing-aid-systems
#14
Lindsey Westover, Gary Faulkner, William Hodgetts, Don Raboud
STATEMENT OF PROBLEM: The success of implants for bone-anchored hearing aids (BAHA) relies on proper osseointegration at the bone-implant interface. Clinical evaluation of implant stability is important in prescribing loading, identifying the risk of failure, and monitoring the long-term health of the implant. PURPOSE: The purpose of this in vitro study was to evaluate 2 measurement systems for BAHA implant stability: the most commonly used, Osstell implant stability quotient (ISQ), and a newly developed advance system for implant stability testing (ASIST)...
May 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28498552/ex-vivo-biomechanical-stability-of-5-cricoid-suture-constructs-for-equine-laryngoplasty
#15
Olivier Brandenberger, Fabrice Rossignol, Justin D Perkins, Antoine Lechartier, Céline Mespoulhès-Rivière, Amelie Vitte, Anthony Rossignol, Norm Ducharme, Karl Joseph Boening
OBJECTIVE: To determine the biomechanical properties of 5 suture constructs in the equine cricoid under cyclic loading and load to failure testing. STUDY DESIGN: Ex vivo study. SAMPLES: Seventy-five equine cadaver larynges. METHODS: Each larynx was implanted with 1 of 5 cricoid-suture constructs. The standard laryngoplasty, where a suture is passed once through the cricoid, including its caudal edge, was used in 2 constructs: 1 with 5 USP Ethibond (ES) and 1 with 2 mm Fibertape (FS)...
May 12, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28494046/traditional-postextractive-implant-site-preparation-compared-with-pre-extractive-interradicular-implant-bed-preparation-in-the-mandibular-molar-region-using-an-ultrasonic-device-a-randomized-pilot-study
#16
Antonio Scarano
PURPOSE: The immediate placement of single postextractive implants is increasing in the everyday clinical practice. Due to insufficient bone tissue volume, proper primary stability, essential for subsequent osseointegration, is sometimes not reached. The aim of this work was to compare two different approaches: implant bed preparation before and after root extraction. MATERIALS AND METHODS: Twenty-two patients of both sexes were selected who needed an implant-prosthetic rehabilitation of the fractured first mandibular molar or presented an untreatable endodontic pathology...
May 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28492424/a-new-highly-hydrophilic-electrochemical-implant-titanium-surface-a-histological-and-biomechanical-in-vivo-study
#17
Paolo Trisi, Marco Berardini, Antonello Falco, Enrico Sandrini, Michele Podaliri Vulpiani
PURPOSE: The aim was to compare the osseointegration degree and secondary implant stability between implants with different surface treatments. MATERIALS AND METHODS: A novel electrochemical treatment was applied to modify the sandblasted and acid-etched surface (SLA) to obtain the new hydrophilic Feeling (FEL) surface presenting a highly soluble and homogenous film made of calcium and phosphorus nanocrystals. Twenty 3.8 × 10-mm dynamix implants (Cortex) were inserted in sheep iliac crests...
June 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28478869/immediate-implant-placement-into-fresh-extraction-sockets-versus-delayed-implants-into-healed-sockets-a-systematic-review-and-meta-analysis
#18
REVIEW
C C Mello, C A A Lemos, F R Verri, D M Dos Santos, M C Goiato, E P Pellizzer
The aim of this systematic review and meta-analysis was to compare the survival rate of the implants and the peri-implant tissue changes associated with implants inserted in fresh extraction sockets and those inserted in healed sockets. This review has been registered at PROSPERO under the number CRD42016043309. A systematic search was conducted by two reviewers independently in the databases PubMed/MEDLINE, Embase, and the Cochrane Library using different search terms; articles published until November 2016 were searched for...
May 3, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28466248/comparative-evaluation-of-the-stability-of-two-different-dental-implant-designs-and-surgical-protocols-a-pilot-study
#19
David E Simmons, Pooja Maney, Austin G Teitelbaum, Susan Billiot, Lomesh J Popat, A Archontia Palaiologou
BACKGROUND: The purpose of this study was to compare a parallel wall design implant to a tapered apex design implant when placed in the posterior maxilla using two different surgical protocols. METHODS: Twenty-seven patients (30 implants) were divided into three groups. All implants were 4 mm wide in diameter and 8 mm long. Group A received 10 tapered implants (OSPTX) (Astra Tech OsseoSpeed TX™) using the soft bone surgical protocol (TXSoft). Group B received 10 tapered implants (OSPTX) (AstraTech OsseoSpeedTX™) using the standard surgical protocol (TXStd)...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28462009/a-resonance-frequency-analysis-of-sandblasted-and-acid-etched-implants-with-different-diameters-a-prospective-clinical-study-during-the-initial-healing-period
#20
Hyun-Joo Kim, Yeun-Kang Kim, Ji-Young Joo, Ju-Youn Lee
PURPOSE: The possibility of immediate or early loading has become popular in implant dentistry. A prerequisite for the immediate or early loading of an implant prosthesis is the achievement of initial stability in the implant. Moreover, in response to clinicians' interest in verifying clinical stability to determine the optimal time point for functional loading, a non-invasive method to assess implant stability has been developed on the basis of resonance frequency analysis (RFA). The primary objective of this study was to monitor the stability of sandblasted, large-grit, and acid-etched (SLA) implants with different diameters during the early phases of healing by RFA...
April 2017: Journal of Periodontal & Implant Science
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