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Clinical Implant Dentistry and related Research

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https://www.readbyqxmd.com/read/29034598/a-prospective-randomized-controlled-trial-of-the-two-window-technique-without-membrane-versus-the-solo-window-technique-with-membrane-over-the-osteotomy-window-for-maxillary-sinus-augmentation
#1
Huajie Yu, Danqing He, Lixin Qiu
BACKGROUND: Maturation of the grafted volume after lateral sinus elevation is crucial for the long-term survival of dental implants. PURPOSE: To compare endo-sinus histomorphometric bone formation between the solo- and two-window maxillary sinus augmentation techniques with or without membrane coverage for the rehabilitation of multiple missing posterior teeth. MATERIALS AND METHODS: Patients with severely atrophic posterior maxillae were randomized to receive lateral sinus floor elevation via the solo-window technique with membrane coverage (Control Group) or the two-window technique without coverage (Test Group)...
October 16, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29034578/a-prospective-split-mouth-study-comparing-tilted-implants-with-angulated-connection-versus-conventional-implants-with-angulated-abutment
#2
Manú Van Weehaeghe, Hugo De Bruyn, Stefan Vandeweghe
BACKGROUND: An angulation of the implant connection could overcome the problems related to angulated abutments. PURPOSE: This study compares conventional implants with angulated abutment to tilted implants with an angulated connection. MATERIALS AND METHODS: Twenty patients were treated in the edentulous mandible. In the posterior jaw locations, one conventional tilted implant with angulated abutment and one angulated implant without abutment were placed...
October 16, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29034574/morphometric-and-histologic-characterization-of-alveolar-bone-from-hypertensive-patients
#3
André Luís da Silva Fabris, Gabriel Mulinari-Santos, Jaqueline Suemi Hassumi, Alexandre Rodrigues Freire, Leonardo Perez Faverani, Reinhard Gruber, Roberta Okamoto
BACKGROUND: Hypertension is considered a risk factor in implant dentistry but the underlying reasons remain unclear. It may be that hypertension has a negative impact on the local bone quality. PURPOSE: Here we evaluated the structural and histological parameters of bone collected from hypertensive patients treated by antagonists of the renin-angiotensin system, and of bone collected from normotensive patients. MATERIAL AND METHODS: A total of 30 patients were referred for rehabilitation with dental implants to be placed in the posterior mandible...
October 16, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29024303/the-influence-of-crown-to-implant-ratio-on-marginal-bone-levels-around-splinted-short-dental-implants-a-radiological-and-clincial-short-term-analysis
#4
Lukas Hingsammer, Georg Watzek, Bernhard Pommer
BACKGROUND: The amount of marginal bone resorption around dental implants is considered to have a significant impact on implant stability as well as implant survival rates. PURPOSE: The aim of this prospective study was to investigate the influence of prosthetic as well as patient specific factors on marginal bone loss around short dental implants. MATERIALS AND METHODS: Seventy-six implants, which supported splinted crowns were included for investigation...
October 12, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28982223/continuous-eruption-of-maxillary-teeth-and-changes-in-clinical-crown-length-a-10-year-longitudinal-study-in-adult-women
#5
Luis Huanca Ghislanzoni, Grethe Jonasson, Stavros Kiliaridis
BACKGROUND: Continuous physiologic eruption of teeth may become a main aesthetic issue for implants inserted in the maxillary anterior region. PURPOSE: To study maxillary tooth vertical changes during a 10 years period by 3-dimensional superimposition of digital dental casts. MATERIAL AND METHODS: Alginate impressions were taken at both baseline and at the 10-year follow-up in a sample of 24 adult Swedish women (average age of 48 years at T0)...
October 5, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28941152/cost-minimization-analysis-of-a-long-term-randomized-clinical-trial-of-patients-treated-with-immediately-loaded-implant-supported-fixed-prosthesis
#6
Sara A Alfadda, Jill E Furzer
PURPOSE: To document the long-term costs from a randomized controlled clinical trial (RCT) on edentulous patients treated with mandibular 4-implant-supported fixed prosthesis and two loading protocols. METHODS: Taking the perspective of the individual patient, costs associated with treatment, complications, and patients' time from 18 patients who received an immediate-loading protocol and 21 patients treated with a conventional loading protocol were compared over 10 years of observation...
September 21, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28940709/a-comparative-study-of-encode-protocol-versus-conventional-protocol-for-restoring-single-implants-one-year-prospective-randomized-controlled-clinical-trial
#7
Jaafar Abduo, Lakshmi Gade, Harjot Gill, Roy Judge, Ivan Darby
BACKGROUND: The Encode protocol (Biomet 3i, Palm Beach Gardens, Fla) has been proposed as a simplified implant restoration protocol. PURPOSE: To compare the 1-year clinical outcome of the Encode and conventional protocols for restoring single implants. MATERIALS AND METHODS: Forty-seven implants were inserted in 44 patients. After randomizing the implants, 24 implants were allocated to the Encode protocol and 23 implants were allocated to the conventional protocol...
September 21, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28940603/long-term-stable-vertical-bone-regeneration-after-sinus-floor-elevation-and-simultaneous-implant-placement-with-and-without-grafting
#8
Fernando Verdugo, Agurne Uribarri, Theresia Laksmana, Antonio D'addona
BACKGROUND: Less invasive surgical approaches to regenerate bone intra-sinus and allow long-term functional implant stability are needed. PURPOSE: To evaluate long-term vertical bone regeneration after sinus floor elevation and simultaneous implant placement with and without bone grafting. METHODS: Vertical bone gains (VBG) post-sinus elevation, with and without grafting, were evaluated in thirty individuals presenting an average residual bone height (RBH) of 4...
September 21, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28905475/evaluation-of-volumetric-dimensional-changes-in-posterior-extraction-sites-with-and-without-arp-using-a-novel-imaging-device
#9
Carolina Sbordone, Paolo Toti, Ranieri Martuscelli, Franco Guidetti, Massimo Porzio, Ludovico Sbordone
BACKGROUND: Alveolar ridge volume loss may be minimized when postextraction sockets are filled by bone substitutes. PURPOSE: The aim of the study was to measure the effect of alveolar ridge preservation (ARP) in maintaining the external contour of the ridge after fresh socket grafting with or without particulate anorganic bovine bone mineral (BBM) and resorbable barrier covering. MATERIALS AND METHODS: In the present controlled study, patients subjected to single-tooth extraction were allocated to 2 groups: postextraction sockets grafted with bovine bone mineral (bbm), and naturally healing sockets (nat)...
September 14, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28884953/a-retro-prospective-effectiveness-study-on-3448-implant-operations-at-one-referral-clinic-a-multifactorial-analysis-part-i-clinical-factors-associated-to-early-implant-failures
#10
Torsten Jemt
BACKGROUND: Limited numbers of large effectiveness studies on routine dental implant treatment are available in the literature. PURPOSE: To report retro-prospective data on prevalence of early implant failures in a large number of routine patients/operations at 1 referral clinic. MATERIALS AND METHODS: A total of 2848 patients were consecutively provided with 9582 implants with an anodized surface (Nobel Biocare AB) during 3448 implant operations between 2003 and 2011...
September 8, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28884882/a-retro-prospective-effectiveness-study-on-3448-implant-operations-at-one-referral-clinic-a-multifactorial-analysis-part-ii-clinical-factors-associated-to-peri-implantitis-surgery-and-late-implant-failures
#11
Torsten Jemt
BACKGROUND: Little knowledge is available on implant treatment in large effectiveness studies in routine practice. PURPOSE: To report retro-prospective data on prevalence of peri-implantitis surgery and late implant failures in a large number of routine patients at 1 referral clinic. MATERIALS AND METHODS: Altogether 9582 implants with an anodized surface (Nobel Biocare AB) were consecutively placed between 2003 and 2011 and followed-up to end of 2015...
September 8, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28857405/assessment-of-the-effectiveness-of-platelet-rich-fibrin-in-the-treatment-of-schneiderian-membrane-perforation
#12
Elif Öncü, Esin Kaymaz
BACKGROUND: The objective of this study is to evaluate the effect of Platelet rich fibrin (PRF) treatment of maxillary sinus membrane perforation on bone formation and new vascular supply and the success of dental implant survival rate. METHODS: The dataset for this retrospective study consists of patients who received sinus augmentation using the lateral wall technique. A total of 16 patients (20 sinuses) the patients without sinus membrane perforation (10 maxiller sinus area with sinus floor augmentation) and with Schneiderian perforation (10 maxiller sinus area repairing with PRF and augmented sinus floor area) were included in this study...
August 30, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28853215/survival-rate-of-titanium-zirconium-narrow-diameter-dental-implants-versus-commercially-pure-titanium-narrow-diameter-dental-implants-a-systematic-review
#13
Carolina Mayumi Iegami, Priscila Nakasone Uehara, Newton Sesma, Cláudio Mendes Pannuti, Pedro Tortamano Neto, Márcio Katsuyoshi Mukai
BACKGROUND: Despite the existence of several studies validating the use of narrow diameter implants, most of them are based on pure Ti alloys. There is few clinical evidence of the success of TiZr narrow diameter implants (TiZr NDIs) regarding survival rate (SR) and marginal bone loss (MLB). PURPOSE: The aim of this review was to systematically assess SR, as well as MBL of TiZr NDIs compared to commercially pure titanium narrow diameter implants (cpTi NDIs). MATERIAL AND METHODS: The search was conducted in Medline/PubMed, Cochrane, Scopus, and Embase databases (year 2000 to November 2016)...
August 29, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28853214/long-term-evaluation-of-osteotome-sinus-floor-elevation-and-simultaneous-placement-of-implants-without-bone-grafts-10-year-radiographic-and-clinical-follow-up
#14
Janusz Caban, Robert Fermergård, Jahan Abtahi
BACKGROUND: Insertion of an implant in the edentulous posterior maxilla is a challenging procedure because of poor bone quality and increased pneumatization of the maxillary sinus after tooth extraction. To increase the amount of bone, several surgical bone grafting techniques have been used-with considerable morbidity for patients. Osteotome sinus floor elevation (OSFE) is a less invasive technique. The clinical and radiographic outcome of 53 implants placed with this technique without bone graft has been reported previously...
August 29, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28853203/transcrestal-sinus-floor-augmentation-with-immediate-implant-placement-applied-in-three-types-of-fresh-extraction-sockets-a-clinical-prospective-study-with-1-year-follow-up
#15
Yaqian Chen, Shanshan Yuan, Nan Zhou, Yi Man
BACKGROUND: Immediate implant insertion and transcrestal sinus augmentation both can provide a lot of advantages for patients and clinicians. OBJECTIVE: This prospective study aims to verify the use of a modified technique for immediate implant insertion simultaneously with sinus augmentation in different types of sockets. MATERIALS AND METHODS: Thirty-seven patients were recruited for the clinical study and were divided into 3 groups according to the relationship of their maxillary molar roots and sinus floor: group 1 with none of the teeth roots contacts sinus floor; group 2 as at least 1 teeth root contacting sinus floor, but no root is observed penetrating into sinus cavity; group 3 with at least 1 teeth root penetrating into sinus cavity...
August 29, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28791801/one-piece-internal-zirconia-abutments-for-single-tooth-restorations-on-narrow-and-regular-diameter-implants-a-5-year-prospective-follow-up-study
#16
Andrée Nilsson, Lars-Åke Johansson, Christina Lindh, Anders Ekfeldt
BACKGROUND: Studies have reported an increased risk for fractures of zirconia abutments compared with titanium abutments. PURPOSE: The aim of this study was to evaluate single-tooth implant restorations with one-piece yttria-stabilized internal zirconia abutments on narrow and regular diameter implants up to 6 years after insertion. MATERIAL AND METHODS: This study comprises 52 consecutively treated patients, with a median age of 19 years...
August 9, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28772024/biomechanical-behavior-of-titanium-and-zirconia-frameworks-for-implant-supported-full-arch-fixed-dental-prosthesis
#17
Rodrigo Tiossi, Érica Alves Gomes, Adriana Cláudia Lapria Faria, Renata Cristina Silveira Rodrigues, Ricardo Faria Ribeiro
BACKGROUND: The biomechanical behavior of implant-supported titanium and zirconia full-arch fixed dental prosthesis (FAFDP) frameworks require further investigation. PURPOSE: Strains transferred by implant-supported titanium (Ti) and zirconia (Zr) FAFDP frameworks were analyzed. MATERIALS AND METHODS: Maxillary 14-unit FAFDPs supported by 6 implants and 12-unit FAFDPs supported by 4 implants were tested. One-piece frameworks were fabricated by computer-aided design/computer-aided manufacturing...
August 2, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28766912/measurement-of-the-zygomatic-region-for-the-optimal-placement-of-quad-zygomatic-implants
#18
Kuo-Feng Hung, Qi-Yong Ai, Sheng-Chi Fan, Feng Wang, Wei Huang, Yi-Qun Wu
BACKGROUND: The zygomatic implant is suggested to be placed in zygomatic areas with the largest thickness, but regions to obtain the largest bone-to-implant contact (BIC) were unknown. PURPOSE: To identify the zygomatic regions for placing quad zygomatic implants that obtain the largest BIC. MATERIALS AND METHODS: The zygomatic thicknesses of 300 zygomata were measured at total 12 points on the superior, middle, and inferior areas on the 3-dimensional reconstruction images...
August 1, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28752693/comparison-between-mineralized-cancellous-bone-allograft-and-an-alloplast-material-for-sinus-augmentation-a-split-mouth-histomorphometric-study
#19
Roni Kolerman, Joseph Nissan, Marina Rahmanov, Hana Vered, Omer Cohen, Haim Tal
BACKGROUND: Several grafting materials have been used in sinus augmentation procedures including autogenous bone, demineralized freeze-dried bone, hydroxyapatite, β-tricalcium phosphate, anorganic deproteinized bovine bone, and combination of these and others. Yet, the issue of the optimal graft material for sinus floor augmentation is controversial. PURPOSE: This prospective, randomized split-mouth study was undertaken to histomorphometrically compare a biphasic calcium phosphate (BCP) alloplastic bone substitute and a human bone mineral allograft (freeze-dried bone allograft, FDBA) in patients undergoing bilateral maxillary lateral sinus floor augmentation...
July 27, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28745035/evaluation-of-complication-rates-and-vertical-bone-gain-after-guided-bone-regeneration-with-non-resorbable-membranes-versus-titanium-meshes-and-resorbable-membranes-a-randomized-clinical-trial
#20
Alessandro Cucchi, Elisabetta Vignudelli, Aldo Napolitano, Claudio Marchetti, Giuseppe Corinaldesi
BACKGROUND: The partial edentulous posterior mandible is often a challenge area that requires a bone reconstructive surgery for implants placement. PURPOSE: This RCT was aimed to evaluate complications rate and vertical bone gain after Guided Bone Regeneration (GBR) with dense non-resorbable d-PTFE titanium-reinforced membranes (Group A) versus titanium meshes covered by cross-linked collagen membranes (Group B). MATERIAL AND METHODS: 40 partially edentulous patients with atrophic posterior mandible, were randomly divided into two study group: 20 patients were treated with one stage GBR by means of non-resorbable d-PTFE titanium-reinforced membranes (Group A); and 20 patients, by means of titanium mesh covered by cross-linked collagen membranes (Group B)...
July 26, 2017: Clinical Implant Dentistry and related Research
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