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Clinical Oral Implants Research

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https://www.readbyqxmd.com/read/30659666/triclosan-containing-fluoride-toothpaste-on-clinical-parameters-and-osteo-inflammatory-mediators-when-applied-in-a-stent-during-experimental-peri-implant-mucositis-in-smokers
#1
Suzana Peres Pimentel, Fernanda Vieira Ribeiro, Renato Correa Casarin, Fabiano Ribeiro Cirano, Vanessa Haguihara Luchesi, Vanessa Gallego Arias Pecorari, Marcio Zaffalon Casati
OBJECTIVES: To determine the effect of triclosan-containing fluoride toothpaste on the clinical parameters and the osteo-immunoinflammatory mediators in the peri-implant fluid when applied in a stent during experimental peri-implant mucositis in smokers. MATERIALS AND METHODS: Twenty-six smokers with an implant-supported crown were enrolled in this double-blind, randomized, crossover study. During the two 3-week periods without mechanical toothbrushing (wash-out period:30 days), patients were randomly assigned to: Triclosan/fluoride (n:13) or fluoride toothpaste (n:13), three times/day...
January 19, 2019: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30636066/peri-implantitis-and-its-prevention
#2
Tord Berglundh, Søren Jepsen, Bernd Stadlinger, Hendrik Terheyden
This perspective article on peri-implantitis and its prevention was produced as a supplement to a 3-D, computer-animated film aiming at presenting key characteristics of peri-implant health, the build-up of a biofilm and the ensuing host-response resulting in peri-implant mucositis and, subsequently, peri-implantitis. Treatment concepts for peri-implantitis were briefly reviewed and prevention of the condition was brought to attention as a priority in implant dentistry. The overview also highlighted the 2017 World Workshop on Classification of Periodontal and Peri-implant diseases and Conditions, in which new disease definitions and case definitions were presented for peri-implant health, peri-implant mucositis and peri-implantitis...
January 12, 2019: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30636064/four-or-6-implants-in-the-maxillary-posterior-region-to-support-an-overdenture-5-year-results-from-a-randomized-controlled-trial
#3
Wim Slot, Gerry M Raghoebar, Marco S Cune, Arjan Vissink, Henny J A Meijer
OBJECTIVE: To compare clinical and patient-reported outcomes when providing maxillary overdentures on 4-bar and 6-bar connected implants placed in the posterior region during a 5-year follow-up period. MATERIALS AND METHODS: Sixty-six fully edentulous patients with functional maxillary denture complaints and insufficient bone volume to allow implant placement were scheduled for a maxillary sinus floor elevation procedure with bone from the anterior iliac crest and randomized to receive either 4 or 6 implants in the posterior maxilla and 4 implants in the mandible...
January 12, 2019: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30636059/bone-response-to-porous-tantalum-implants-in-a-gap-healing-model
#4
David Fraser, Gustavo Mendonca, Elisa Sartori, Paul Funkenbusch, Carlo Ercoli, Luiz Meirelles
OBJECTIVES: The objective of this study was to determine the relative osteogenic behavior of titanium implants with or without a porous tantalum modification when placed with a gap between the implant and existing bone. MATERIALS AND METHODS: A gap-healing model in the rabbit tibia was used for placement of titanium implants. Forty-eight rabbits received 96 implants, with 48 of the implants containing a porous tantalum middle section and the remaining 48 implants were composed of solid titanium...
January 12, 2019: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30629769/loading-capacity-of-cad-cam-fabricated-anterior-feldspathic-ceramic-crowns-bonded-to-one-piece-zirconia-implants-with-different-cements
#5
Reto Nueesch, Julian Conejo, Francis Mante, Jens Fischer, Sabrina Märtin, Nadja Rohr, Markus B Blatz
OBJECTIVE: This study evaluated the loading capacity of CAD/CAM-fabricated anterior feldspathic ceramic crowns bonded to one-piece zirconia implants with different cements. MATERIAL AND METHODS: Fifty one-piece zirconia implants were embedded in epoxy resin. The abutment aspect of one implant was optically scanned and a standardized upper canine was designed with CAD-software. Fifty feldspathic ceramic crowns were milled, polished, and mounted on the implants either without any cement, with a temporary cement or with three different composite resin cements after surface pretreatment as recommended by the manufacturers (n = 10)...
January 10, 2019: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30584682/immediate-provisionalization-of-bone-level-implants-with-a-hydrophilic-surface-a-5-year-follow-up-of-a-randomised-controlled-clinical-trial
#6
Nikolaos Donos, Attila Horvath, Elena Calciolari, Nikos Mardas
OBJECTIVES: To follow-up the radiographic bone level changes and the clinical outcomes of immediately provisionalized and conventionally restored implants with a hydrophilic surface following 5 years of function. MATERIALS AND METHODS: This was a 5-year follow-up of a prospective, randomized, single blind controlled study involving 16 out of the 24 originally recruited patients in need of a single tooth replacement in the esthetic area. Implants were either immediately provisionalized with a non-occluding temporary crown (test group, n=7), or left without a crown (control group, n=9)...
December 25, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30580459/prevalence-of-peri-implant-disease-and-risk-indicators-in-a-japanese-population-with-at-least-3-years-in-function-a-multicentre-retrospective-study
#7
Masahiro Wada, Tomoaki Mameno, Yoshinobu Onodera, Hirofumi Matsuda, Koji Daimon, Kazunori Ikebe
OBJECTIVES: The aim of this study was to evaluate the prevalence of peri-implant disease and analyze risk indicators in Japanese subjects with ≥ 3 years of implant function. MATERIAL AND METHODS: Five hundred and forty-three subjects treated with 1613 implants were evaluated. Information was collected about the patients' physical and dental history, as well as implant details. Peri-implant evaluation included probing depth, bleeding on probing (BoP), suppuration (Sup) and keratinized tissue width...
December 23, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30578650/a-randomized-controlled-trial-on-the-efficiency-of-free-handed-pilot-drill-guided-and-fully-guided-implant-surgery-in-partially-edentulous-patients
#8
Faris Younes, Aryan Eghbali, Thomas De Bruyckere, Roberto Cleymaet, Jan Cosyn
OBJECTIVES: To compare the effectiveness of free-handed (FH), pilot-drill guided (PG) and fully-guided (FG) implant surgery by means of the Apical Global Deviation (AGD) in relation to the additional financial cost and time spent. MATERIALS AND METHODS: Thirty-three partially edentulous patients in need of ≥2 implants in the posterior maxilla were randomly allocated to one of the following treatment groups: FH, PG, FG. Eleven patients (mean age 57; 8 females; altogether 26 implants) were treated by FH surgery, 11 (mean age 53; 7 females; altogether 24 implants) by PG surgery and 10 (mean age 60; 6 females; altogether 21 implants) by FG surgery...
December 22, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30578579/comparison-of-heat-generation-between-guided-and-conventional-implant-surgery-for-single-and-sequential-drilling-protocols-an-in-vitro-study
#9
Leonie Frösch, Khaled Mukaddam, Andreas Filippi, Nicola U Zitzmann, Sebastian Kühl
OBJECTIVES: The aim of this in vitro study was to compare the heat generation during guided osteotomy preparation (GOP) with that of a conventional approach (CA) for a single and sequential drilling protocol. METHODS: Temperature measurements were performed during standardized osteotomy preparations in polyurethane foam blocks with an infrared camera. The four groups included single and sequential drilling with and without the use of a surgical guide. In the first group (single CA) and the second group (single GOP) only the final drills diameters were applied once...
December 22, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30521106/full-arch-implant-supported-rehabilitations-a-prospective-study-comparing-porcelain-veneered-zirconia-frameworks-to-monolithic-zirconia
#10
João Caramês, Duarte Marques, João Malta Barbosa, André Moreira, Pedro Crispim, André Chen
OBJECTIVES: To evaluate the performance of two types of zirconia frameworks. MATERIAL AND METHODS: From 2014 to 2016, in a prospective clinical trial 150 patients were rehabilitated with 83 and 110 implant-supported, screw-retained, full-arch ceramic-veneered zirconia (PVZ) rehabilitations and monolithic zirconia with porcelain veneering limited to buccal (MZ) rehabilitations, respectively. Patients were consecutively enlisted according to pre-defined inclusion criteria and evaluated on 4 months intervals...
December 6, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30521101/surface-modification-of-ultrafine-grained-titanium-influence-on-mechanical-properties-cytocompatibility-and-osseointegration-potential
#11
B E Pippenger, M Rottmar, B S Kopf, S Stübinger, F H Dalla Torre, S Berner, K Maniura-Weber
OBJECTIVE: The main objective of this study was to demonstrate that dental implants made from ultrafine-grain titanium (UFG-Ti) can be created that replicate state of the art surfaces of standard coarse-grain titanium (Ti), showing excellent cytocompatibility and osseointegration potential while also providing improved mechanical properties. MATERIAL AND METHODS: UFG-Ti was prepared by continuous equal channel angular processing (ECAP) and surfaces were treated by sand-blasting and acid-etching...
December 6, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30521070/mechanical-behavior-of-posterior-all-ceramic-hybrid-abutment-crowns-versus-hybrid-abutments-with-separate-crowns-a-laboratory-study
#12
Ingy Nouh, Matthias Kern, Ahmed E Sabet, Ahmad K Aboelfadl, Amina M Hamdy, Mohamed S Chaar
OBJECTIVE: The purpose of this laboratory study was to evaluate the fatigue resistance, fracture resistance and mode of failure of posterior hybrid-abutment-crown vs. hybrid-abutment with separate crown, both bonded to short titanium bases. MATERIALS AND METHODS: Thirty-two titanium implants were embedded perpendicularly in auto-polymerizing resin. Implant-supported restorations simulating a maxillary first premolar were designed and milled using a CAD/CAM system and divided into 2 groups according to material (n = 16): zirconia (Z) and lithium disilicate (L)...
December 6, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30520155/perceptions-and-experiences-of-patients-following-treatment-with-single-implant-mandibular-overdentures-a-qualitative-study
#13
Túlio Eduardo Nogueira, Danilo Rocha Dias, Laís Ferreira Rios, Ana Luiza Mustafé Silva, Lidia Moraes Ribeiro Jordão, Cláudio Rodrigues Leles
OBJECTIVE: This study aimed to explore the perceptions and long-term experiences of edentulous patients rehabilitated with single-implant mandibular overdentures (SIMO). METHODS: Thirteen participants, mean age 65.7 years, 69.2% women, who had had their treatment completed for at least 1 year, were invited and included in the study. Focus groups including four to five participants each were conducted, audio and video recorded and transcribed verbatim. Subsequently, the transcripts were analysed according to the principles of thematic analysis...
December 5, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30500094/effect-of-implant-supported-mandibular-overdentures-versus-reline-on-masticatory-performance-and-salivary-flow-rates-in-very-old-adults-a-randomized-clinical-trial
#14
Sabrina Maniewicz, Elena Duvernay, Murali Srinivasan, Thomas Perneger, Martin Schimmel, Frauke Müller
PURPOSE: To compare the masticatory efficiency (ME), maximum voluntary bite force (MBF), masseter muscle thickness (MMT) and salivary flow rates (SFR) in completely edentulous dependent elders treated either with a conversion of their existing mandibular complete removable dental prostheses (CRDP) into a 2-implant overdenture (IOD) or a conventional reline of the CRDP. MATERIAL AND METHODS: Participants were randomly allocated into intervention (IG), and control (CG) group...
November 30, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30565741/impact-of-a-zoledronate-coating-on-early-post-surgical-implant-stability-and-marginal-bone-resorption-in-the-maxilla-a-split-mouth-randomized-clinical-trial
#15
Jahan Abtahi, Gustav Henefalk, Per Aspenberg
OBJECTIVES: The objective of this clinical study was to evaluate the effect of a bisphosphonate coating on a titanium implant on the implant stability quotient (ISQ) and the radiographic marginal bone levels at implants during early healing (2 to 8 weeks). MATERIAL AND METHODS: In a randomized double-blind trial with internal controls, 16 patients received a dental implant coated with zoledronate and one uncoated implant as a control. The coated and uncoated implants which were visually indistinguishable were bone level titanium implants with a moderately rough surface and a micro-threaded neck...
November 22, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30537302/original-vs-non-original-abutments-for-screw-retained-single-implant-crowns-an-in-vitro-evaluation-of-internal-fit-mechanical-behaviour-and-screw-loosening
#16
Raquel Alonso-Pérez, José F Bartolomé, Alberto Ferreiroa, María P Salido, Guillermo Pradíes
OBJECTIVES: To assess the internal accuracy, mechanical behaviour under static load and screw loosening before and after cyclic loading of implant-supported crowns restored with original components or with two compatible non-original brands. MATERIALS AND METHODS: Sixty-three dental implants were divided into three groups (n = 21 each): Group 1 used original components, and groups 2 and 3 used non-original components. Internal accuracy was measured throughout a cross section of the sample groups (n = 8) using scanning electron microscopy (SEM) to evaluate the fit for implant-abutments, implant-crowns and crown-abutments...
November 22, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30466192/titanium-dental-implants-with-different-collar-design-and-surface-modifications-a-systematic-review-on-survival-rates-and-marginal-bone-levels
#17
REVIEW
Ana Messias, Pedro Nicolau, Fernando Guerra
AIM: The aim of this study was to compare clinical and radiographic outcomes of dental implants with different neck characteristics. METHODS: A protocol-oriented search aimed at the question: "In patients subjected to tooth replacement with screw-type dental implants does the modification of the implant neck macro- or microgeometry contribute to the improvement of survival rates and maintenance of the peri-implant marginal bone levels?" Primary outcomes were survival and marginal bone level (MBL) changes evaluated on randomized controlled trials with >10 participants and follow-up >1 year...
November 22, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30450593/schneiderian-membrane-perforation-via-transcrestal-sinus-floor-elevation-a-randomized-ex-vivo-study-with-endoscopic-validation
#18
Jordi Gargallo-Albiol, Mustafa Tattan, Khaled H Sinjab, Hsun-Liang Chan, Hom-Lay Wang
OBJECTIVE: To endoscopically determine the incidence of Schneiderian membrane perforation during transcrestal maxillary sinus floor elevation (SFE), in relation to the bone preparation technique, amount of bone graft, membrane elevation height and different surgical steps. MATERIALS AND METHODS: Seven cadaver heads corresponding to 12 maxillary sinuses were used to perform 3 SFE via transcrestal approach per sinus (36 elevations). Each sinus was randomly assigned to either the Sinus Crestal Approach (SCA) drill kit technique (experimental group) or the conventional osteotome technique (control group)...
November 19, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30430655/long-term-follow-up-of-single-crowns-supported-by-short-moderately-rough-implants-a-prospective-10-year-cohort-study
#19
Fabio Rossi, Niklaus P Lang, Emanuele Ricci, Lorenzo Ferraioli, Niccolò Baldi, Daniele Botticelli
OBJECTIVES: To evaluate prospectively the clinical and radiographic outcomes after ten years of short (6 mm) implants with a moderately rough surface supporting single crowns in the posterior region. MATERIAL AND METHODS: Forty 6 mm modified sandblasted large-grit acid-etched (mod-SLA), soft tissue level implants were installed in the distal segments of 35 consecutive patients. After 6 weeks of healing, abutments were tightened, and single porcelain fused-to-metal crowns were cemented...
November 14, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/30430654/variation-in-bucco-palatal-maxillary-sinus-width-does-not-permit-a-meaningful-sinus-classification
#20
Kristina Bertl, René-Bernard Mick, Patrick Heimel, André Gahleitner, Andreas Stavropoulos, Christian Ulm
OBJECTIVES: The bucco-palatal sinus width (SW) appears as relevant factor for graft consolidation after maxillary sinus (MS) floor augmentation. The present study aimed to assess a) SW at different height levels of posterior teeth, b) possible factors influencing SW, and c) whether a simple/meaningful sinus classification based on SW is possible. METHODS: The following parameters were recorded on computed tomographies of 76 edentulous and 86 partially edentulous maxillary quadrants displaying 383 tooth sites in total: i) alveolar ridge height, ii) -area, iii) -width 2mm apical to the alveolar crest, iv) -width at the sinus floor, and v) SW and sinus area at a level 2, 4, 6, 8, and 10mm above the sinus floor...
November 14, 2018: Clinical Oral Implants Research
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