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https://www.readbyqxmd.com/read/29380490/evaluation-of-primary-stability-in-modified-implants-analysis-by-resonance-frequency-and-insertion-torque
#1
Plínio Sciasci, Nicole Casalle, Luís Geraldo Vaz
BACKGROUND: Changes in the macrogeometry of dental implants are known to influence primary stability and the osseointegration process. PURPOSE: The purpose of the present in vitro study was to evaluate the mechanical behavior of geometric changes in the apex region of dental implants. METHODS: Thirty-five cylindrical dental implants (Titamax Ti; Neodent) were machined at the apical third to reproduce the experimental groups: without apical cut (Wc), apical bi-split cut, apical tri-split cut, apical quadri-split cut (Qs)...
January 30, 2018: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29303412/assessment-of-dental-implants-stability-in-areas-previously-submitted-to-maxillary-sinus-elevation
#2
Karine Câmara Silva, Elton Gonçalves Zenóbio, Paulo Eduardo Alencar Souza, Rodrigo Villamarim Soares, Maurício Greco Cosso, Martinho Campolina Rebello Horta
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. Correlation between RFA and implant insertion torque was also assessed. Twenty implants of 9 and 11 mm were inserted in areas submitted to maxillary sinus lift. The insertion torque was measured by the Bien Air® motor. Osstell®, through RFA, determined the ISQ (Implant Stability Quotient) at two times: the day of implant installation (T1) and 90 days after implant installation (T2)...
January 5, 2018: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29281715/correlation-between-the-thickness-of-the-crestal-and-buccolingual-cortical-bone-at-varying-depths-and-implant-stability-quotients
#3
Kanthanat Chatvaratthana, Sita Thaworanunta, Dutmanee Seriwatanachai, Natthamet Wongsirichat
BACKGROUND/PURPOSE: Resonance frequency analysis (RFA) is clinically used in dentistry to access the stiffness of dental implants in surrounding bone. However, the clear advantages and disadvantages of this method are still inconclusive. The aim of this study was to investigate and compare implant stability quotient (ISQ) values obtained from RFA with parameters obtained from a cone beam computed tomography (CBCT) scan of the same region. MATERIALS AND METHODS: Nineteen implants (Conelog) were inserted in the posterior maxillary and mandibular partially edentulous regions of 16 patients...
2017: PloS One
https://www.readbyqxmd.com/read/29082462/low-level-laser-therapy-with-940%C3%A2-nm-diode-laser-on-stability-of-dental-implants-a-randomized-controlled-clinical-trial
#4
Parviz Torkzaban, Shahin Kasraei, Sara Torabi, Maryam Farhadian
Low-level laser therapy (LLLT) is a non-invasive modality to promote osteoblastic activity and tissue healing. The aim of this study was to evaluate the efficacy of LLLT for improvement of dental implant stability. This randomized controlled clinical trial was performed on 80 dental implants placed in 19 patients. Implants were randomly divided into two groups (n = 40). Seven sessions of LLLT (940 nm diode laser) were scheduled for the test group implants during 2 weeks. Laser was irradiated to the buccal and palatal sides...
October 29, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/29075416/secondary-implant-stability-outcome-of-immediate-versus-late-placed-variable-thread-implants-in-the-maxilla-a-retrospective-cohort-study
#5
Nicolas Grognard, Gino Verleye, Dimitrios Mavreas, Bart Vande-Vannet
BACKGROUND: The healing of xenograft augmentated intra-alveolar gaps following immediate implant placement (IMIP) after tooth extraction is likely to differ in time and density compared to the native bone part that directly contacts the implant. MATERIAL AND METHODS: Secondary implant stability (SIS) data recorded 2-3 months following a late implant placement protocol (LIP) (n= 43) and 6-8 months following an immediate implant placement protocol (IMIP) (n=33) of variable-thread implants (Nobel Active™) in the maxilla were retrospectively collected from files of 63 patients (42 females, 21 males)...
September 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29075415/updated-secondary-implant-stability-data-of-two-dental-implant-systems-a-retrospective-cohort-study
#6
Nicolas Grognard, Gino Verleye, Dimitrios Mavreas, Bart Vande-Vannet
BACKGROUND: At present, updated secondary implant stability data generated by actual versions of resonance frequency analysis (RFA) and mobility measurement (MM) electronic devices of 2 different implant systems with actual manufactured surfaces seem to lack and/or are incomplete. MATERIAL AND METHODS: Secondary implant stability data based on both RFA and MM measurements were collected and analyzed from 44 formerly treated patients (24 f, 20 m) that received either Ankylos Cellplus (Ø3...
September 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29027158/isq-calculation-evaluation-of-in-vitro-laser-scanning-vibrometry-captured-resonance-frequency
#7
Stijn Debruyne, Nicolas Grognard, Gino Verleye, Korneel Van Massenhove, Dimitrios Mavreas, Bart Vande Vannet
BACKGROUND: Implant stability testing at various stages of implant therapy by means of resonance frequency analysis is extensively used. The overall measurement outcome is a function of the resulting stiffness of three entities: surrounding bone, bone-implant complex, and implant-Smartpeg complex. The influence of the latter on the overall measurement results is presently unknown. It can be investigated in vitro by use of imbedded implants with mounted Smartpegs. This enables to keep the influence of the two other entities constant and controlled...
October 12, 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/29023607/immediate-palatal-molar-implants-a-simple-safe-minimally-invasive-technique
#8
Piotr Wychowański, Jarosław Woliński, Marcin Kacprzak, Witold Tomkiewicz, Iwańczyk Bartłomiej, Dorota Szubińska-Lelonkiewicz, Andrzej Wojtowicz, Myron Nevins
The purpose of this study was to determine whether a single immediate implant placed into the postextraction palatal socket of a maxillary molar would be as efficacious as a single implant placed centrally in a staged approach. A total of 61 immediate implants were placed in 52 patients and restored after 6 months. Periotest and Osstell were used to determine implant stability, and cone beam computed tomography was used for marginal bone level assessment. During the 2-year follow-up, implant survival was 100%...
November 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28791277/the-rate-and-stability-of-mandibular-block-bone-graft-in-recent-5%C3%A2-years
#9
Jong-Cheol Park, Yun-Ho Kim, Hong-Seok Choi, Jong-Shik Oh, Sang-Hun Shin, Yong-Deok Kim
BACKGROUND: The purposes of the present study were to compare implant stabilities of mandibular block bone graft and bovine bone graft and to evaluate influencing factors for implant stability in mandibular block bone (MBB) graft. METHODS: This retrospective study investigated 1224 cases and 389 patients treated by one surgeon in the Department of Oral and Maxillofacial Surgery of Pusan National University Dental Hospital (Yangsan, Korea) between January 2010 and December 2014...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28578374/in-vitro-comparison-of-primary-stability-of-two-implant-designs-in-d3-bone
#10
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/28542904/can-resonance-frequency-analysis-detect-narrow-marginal-bone-defects-around-dental-implants-an-ex-vivo-animal-pilot-study
#11
C J Yao, L Ma, N Mattheos
BACKGROUND: Resonance frequency analysis (RFA) is applied to assess implant stability, as expressed by the implant stability quotient (ISQ). This study aimed to investigate the potential of RFA devices to identify narrow marginal bone defects around implants. METHODS: Twenty-eight Straumann bone level (BL) implants and 28 bone level tapered (BLT) implants were placed ex vivo in porcine ribs. Implants in the control group (A) were fully submerged in the bone. In three experimental groups, implants were placed with a 0...
December 2017: Australian Dental Journal
https://www.readbyqxmd.com/read/28533009/comparison-of-implant-stability-measurement-devices-for-bone-anchored-hearing-aid-systems
#12
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/28365383/a-comparative-study-of-the-effectiveness-of-early-and-delayed-loading-of-short-tissue-level-dental-implants-with-hydrophilic-surfaces-placed-in-the-posterior-section-of-the-mandible-a-preliminary-study
#13
Arkadiusz Makowiecki, Ute Botzenhart, Julia Seeliger, Friedhelm Heinemann, Peter Biocev, Marzena Dominiak
The objective of the present study was to compare the primary and secondary stability of tissue-level short dental titanium implants with polished necks and hydrophilic surfaces of two different designs and manufacturers. The first implant system used (SPI(®)ELEMENT RC INICELL titanium implants, Thommen Medical AG, Grenchen, Switzerland), allowed functional loading 6 weeks after its placement, whereas the second implant system (RN SLActiv(®) tissue-level titanium implants, Straumann GmbH, Fribourg, Germany), was loaded after 15 weeks...
March 30, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28258471/evaluation-of-effectiveness-of-concentrated-growth-factor-on-osseointegration
#14
Cagasan Pirpir, Onur Yilmaz, Celal Candirli, Emre Balaban
BACKGROUND: Growth factor-containing products have been reported to increase implant stability and accelerate osseointegration. Concentrated growth factor (CGF) can be used for this purpose with the growth factors it contains. The aim of this study is to assess the effect of CGF on implant stability and osseointegration. METHODS: Twelve patients with maxillary anterior toothless were included in the study. Implant cavities prepared in the study group were covered with CGF membrane before implant placement, but conventional implant placement was performed in the control group...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28230596/the-efficacy-of-immediate-implant-placement-in-extraction-sockets-for-alveolar-bone-preservation-a-clinical-evaluation-using-three-dimensional-cone-beam-computerized-tomography-and-resonance-frequency-analysis-value
#15
Ali Al Qabbani, Noor Hayati A Razak, Sausan Al Kawas, Suzina Sheikh Abdul Hamid, Saad Wahbi, A R Samsudin
The aim of this study was to determine the efficacy of immediate implant placement with alveolar bone augmentation on socket preservation following atraumatic tooth extraction and comparing it with a tooth alveolar socket that was allowed to heal in a conventional way.Twenty medically fit patients (8 males and 12 females aged between 18 and 40 years) who needed noncomplicated tooth extraction of mandibular premolar teeth were divided randomly and equally into 2 groups. In Group I, the empty extraction socket was left untreated and allowed to heal in a conventional way...
June 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28216849/assessment-of-implant-stability-during-various-stages-of-healing-placed-immediately-following-extraction-in-an-overdenture-situation
#16
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/28176266/effects-on-the-torsional-vibration-behavior-in-the-investigation-of-dental-implant-osseointegration-using-resonance-frequency-analysis-a-numerical-approach
#17
Min Zhai, Bing Li, Dehua Li
Resonance frequency analysis (RFA) methods are widely used to assess implant stability, particularly the Osstell(®) device. The potential effects associated with this method have been discussed in the literature. Torsional RFA (T-RFA), mentioned in our previous study, could represent a new measurement method. The purpose of this study was to simulate T-shaped and Osstell(®) transducer-implant-bone system models; compare their vibration modes and corresponding resonance frequencies; and investigate the effects of their parameters, such as the effective implant length (EIL), bone quality, and osseointegration level, on the torsional resonance frequency (TRF) and bending resonance frequency (BRF) using three-dimensional finite element analysis...
February 7, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28160577/the-effects-of-surgical-preparation-techniques-and-implant-macro-geometry-on-primary-stability-an-in-vitro-study
#18
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
#19
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/28149455/the-influence-of-length-of-implant-on-primary-stability-an-in-vitro-study-using-resonance-frequency-analysis
#20
Anwar B Bataineh, Ala M Al-Dakes
BACKGROUND: Primary stabilityis not sufficientin less contact area between the implant and bone, the healing process because will be disrupted due to micro-motions and fibrous tissue affects osseointegration. MATERIAL AND METHODS: We implemented an in vitro experimental study of total 135 XiVE® implants were inserted in 22.5 bovine cow ribs with bone quality similar to a type IV human bone. Each rib end received a group of three different implant lengths, which were 8mm, 13mm and 15mm and had the same diameter 3...
January 2017: Journal of Clinical and Experimental Dentistry
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