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Clinical Oral Implants Research

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https://www.readbyqxmd.com/read/29341335/osteogenic-efficacy-of-bmp-2-mixed-with-hydrogel-and-bone-substitute-in-peri-implant-dehiscence-defects-in-dogs-16%C3%A2-weeks-of-healing
#1
Jae-Kook Cha, Ui-Won Jung, Daniel S Thoma, Christoph H F Hämmerle, Ronald E Jung
OBJECTIVES: The objective of this study was to determine the effect of bone morphogenetic protein-2 (BMP-2) mixed with either polyethylene glycol hydrogel or synthetic bone substitute (SBS) on new bone formation in peri-implant dehiscence defects after 16 weeks of healing. MATERIALS AND METHODS: A guided bone regeneration procedure was performed in box-type peri-implant defects that were surgically prepared in six beagle dogs. The following four experimental groups were used (i) control (no graft), (ii) SBS+hydrogel, (iii) SBS+BMP-2/hydrogel and (iv) BMP-2/SBS+hydrogel...
January 17, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29337393/provision-of-information-on-dental-implant-treatment-patients-thoughts-and-experiences
#2
Wafa Ahmed Kashbour, Nikki S Rousseau, James Mark Thomason, Janice Sarah Ellis
OBJECTIVES: To explore patients' thoughts and perceptions of information provision regarding dental implant treatment. METHODS: This generic qualitative study involved 38 semi-structured face-to-face and telephone interviews with 34 participants, who were at different stages of dental implant treatment. The interviews were transcribed verbatim. The data collection and coding process followed the principles of qualitative thematic analysis. RESULTS: Clinical sources of information were generally trusted by patients; however, patients clearly lacked information relative to their own specific situation, concerns and preferences, and this may lead to patients' reliance on other general sources of information...
January 16, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29330869/three-year-analysis-of-zirconia-implants-used-for-single-tooth-replacement-and-three-unit-fixed-dental-prostheses-a-prospective-multicenter-study
#3
Marc Balmer, Benedikt C Spies, Kirstin Vach, Ralf-Joachim Kohal, Christoph H F Hämmerle, Ronald E Jung
AIM: The aim of the present investigation was to evaluate clinically and radiographically the outcome of zirconia oral implants after 3 years in function. MATERIALS AND METHODS: In 60 patients in need of either a single-tooth replacement or a three-unit fixed dental prosthesis (FDP), a total of 71 one-piece zirconia implants were placed and immediately restored with temporary fixed prostheses. After a period of at least 2 months in the mandible and at least 4 months in the maxilla, zirconia-based reconstructions were cemented...
January 12, 2018: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29288505/bone-response-to-functionally-loaded-two-piece-zirconia-implants-a-preclinical-histometric-study
#4
Simone F M Janner, Michael Gahlert, Dieter D Bosshardt, Stefan Roehling, Stefan Milz, Frank Higginbottom, Daniel Buser, David L Cochran
OBJECTIVE: To evaluate the bone response to a two-piece zirconia implant in comparison with a control titanium implant in the canine mandible 4 and 16 weeks after restoration. MATERIAL AND METHODS: Zirconia and titanium implants were alternately placed bilaterally in healed mandibular molar and premolar sites of five canines. Full-ceramic single-tooth restorations were cemented after 6 weeks of transmucosal healing, allowing for full functional loading of the implants...
December 30, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29266485/the-effect-of-resorbable-membranes-on-one-stage-ridge-augmentation-in-anterior-single-tooth-replacement-a-randomized-controlled-clinical-trial
#5
Brend P Jonker, Eppo B Wolvius, Justin T van der Tas, Justin Pijpe
AIM: To evaluate the effect of resorbable membranes on one-stage ridge augmentation procedures in small (2-4 mm) buccal bony dehiscences in anterior maxillary single-tooth replacement. MATERIALS AND METHODS: Patients with a buccal bony dehiscence after implant placement in the esthetic zone were randomly allocated to one-stage ridge augmentation with (M+) or without a membrane (M-). Second-phase surgery was performed after 8 weeks, and follow-up was performed 1, 6, and ≥12 months after loading...
December 19, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29250831/injectable-simvastatin-gel-for-minimally-invasive-periosteal-distraction-in-vitro-and-in-vivo-studies-in-rat
#6
Jia Hao, Joshua Chou, Shinji Kuroda, Makoto Otsuka, Shohei Kasugai, Niklaus P Lang
OBJECTIVES: To evaluate whether the subperiosteal injection of simvastatin (SIM) with a novel in situ gel-forming system, SrHA/Alg (strontium hydroxyapatite/alginate), can stimulate vertical bone augmentation in a rat calvarial model. MATERIAL AND METHODS: The SrHA/Alg solution was synthesized and combined with different doses of SIM (0.01, 0.02, 0.1, and 0.2 mg) to form the following groups: (1) SrHA/Alg only, (2) SrHA/Alg/0.01, (3) SrHA/Alg/0.02, (4) SrHA/Alg/0...
December 18, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29235158/single-staged-implant-placement-using-bone-ring-technique-with-and-without-membrane-placement-an-experimental-study-in-the-beagle-dog
#7
Maiko Haga-Tsujimura, Ken Nakahara, Eizaburo Kobayashi, Kensuke Igarashi, Benoit Schaller, Nikola Saulacic
AIM: To evaluate the impact of a collagen membrane on bone remodeling and osseointegration of implants placed simultaneously with a bone ring technique. MATERIAL AND METHODS: Standardized, vertical alveolar bone defects in the mandibles of six dogs were created. Tapered dental implants designed for two-stage subcrestal placement were inserted simultaneously with a bone ring technique. On one side of the mandible, the augmented sites were covered with a collagenous membrane...
December 12, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29231263/a-prospective-controlled-trial-comparing-xenograft-autogenous-bone-and-collagen-stabilized-xenograft-for-maxillary-sinus-augmentation-complications-patient-reported-outcomes-and-volumetric-analysis
#8
Jamil Alayan, Saso Ivanovski
OBJECTIVE: Compare maxillary sinus augmentation (MSA) using two different materials-anorganic bovine bone mineral (ABBM) + autogenous bone (AB) (control group) vs. collagen-stabilized ABBM (test group) in terms of complications, patient-reported outcome measures (PROMs) and volumetric analysis. MATERIALS AND METHODS: Sixty patients underwent sinus augmentation (30 control + 30 test group). Intra- and postoperative complications were recorded. PROMs measured the impact of grafting on daily activities, pain and morbidity...
December 12, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29222809/effect-of-abutment-height-on-interproximal-implant-bone-level-in-the-early-healing-a-randomized-clinical-trial
#9
Juan Blanco, Alexandre Pico, Leticia Caneiro, Lourdes Nóvoa, Pilar Batalla, Pablo Martín-Lancharro
OBJECTIVE: The aim of this randomized clinical trial was to compare the effect on the interproximal implant bone loss (IBL) of two different heights (1 and 3 mm) of definitive abutments placed at bone level implants with a platform switched design. MATERIAL AND METHODS: Twenty-two patients received forty-four implants (6.5-10 mm length and 3.5-4 mm diameter) to replace at least two adjacent missing teeth, one bridge set to each patient-two implants per bridge...
December 8, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29218786/how-fast-can-treatment-with-overdentures-improve-the-masticatory-function-and-ohrqol-of-atrophic-edentulous-patients-a-1-year-longitudinal-clinical-study
#10
Raissa Micaella Marcello-Machado, Fernanda Faot, Alessandra Julie Schuster, Amália Machado Bielemann, Gustavo Giacomelli Nascimento, Altair Antoninha Del Bel Cury
OBJECTIVES: The aim of this prospective clinical study was to evaluate the masticatory function (MF) and subjective perception of patients with poor denture-bearing tissue in relation to change and the time required to identify an improvement in these parameters after rehabilitation with mandibular overdentures (MO) by two narrow-diameter two-piece implants. MATERIAL AND METHODS: Twenty-three edentulous patients were selected for MO installation. The masticatory function (MF) was evaluated with the masticatory performance (MP) and swallowing threshold (ST) tests...
December 7, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29148597/three-dimensional-analysis-of-bone-remodeling-following-ridge-augmentation-of-compromised-extraction-sockets-in-periodontitis-patients-a-randomized-controlled-study
#11
Mario Aimetti, Valeria Manavella, Lisa Corano, Elena Ercoli, Cristina Bignardi, Federica Romano
OBJECTIVES: The aim of this study was to analyze linear and volumetric hard tissue changes in severely resorbed alveolar sockets after ridge augmentation procedure and to compare them with spontaneous healing using three-dimensional cone beam computed tomography (CBCT). MATERIAL AND METHODS: Thirty patients (mean age 53.2 ± 6.3 years) requiring tooth extraction for advanced periodontitis were randomly allocated to test and control groups. The test sites were grafted using a collagenated bovine-derived bone (DBBM-C) covered with a collagen membrane, while control sites had spontaneous healing...
November 17, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29090511/fracture-behavior-marginal-gap-width-and-marginal-quality-of-vented-or-pre-cemented-cad-cam-all-ceramic-crowns-luted-on-y-tzp-implants
#12
Lucia K Zaugg, Simon Meyer, Nadja Rohr, Isabella Zehnder, Nicola U Zitzmann
OBJECTIVES: To investigate the fracture behavior and marginal gap region of CAD/CAM fabricated lithium disilicate (L) and zirconium dioxide (Z) crowns using palatal venting (PV), pre-cementation with custom analogs (CA), or conventional cementation technique (SP) with adhesive cement (A) or resin-modified glass ionomer cement (B). MATERIAL AND METHODS: Twelve groups (n = 6) were set according to material (L, Z), cement (A, B), and technique (PV, CA, SP). Specimens were thermo-mechanical aged (TML), loaded until fracture (LF) and fracture patterns recorded...
October 31, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29080268/histomorphometric-analyses-of-area-fraction-of-different-ratios-of-bio-oss-%C3%A2-and-bone-prior-to-grafting-procedures-an-in-vitro-study-to-demonstrate-a-baseline
#13
Hanna Aludden, Anna Dahlin, Thomas Starch-Jensen, Christer Dahlin, Arne Mordenfeld
OBJECTIVE: The objective of this study was to estimate the area fraction of different ratios of Bio-Oss(®) and bone, prior to grafting in an in vitro model to demonstrate a histomorphometric baseline. METHODS: Bio-Oss(®) particles were mixed with autogenous bone from pig jaw in three different ratios (50:50, 80:20 and 100:0) and packed in rice paper in a standardized procedure. Histomorphometric analyses were performed in 25 specimens and 74 regions of interest...
October 27, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29072346/effects-of-modified-abutment-characteristics-on-peri-implant-soft-tissue-health-a-systematic-review-and-meta-analysis
#14
REVIEW
Ignacio Sanz-Martín, Ignacio Sanz-Sánchez, Ana Carrillo de Albornoz, Elena Figuero, Mariano Sanz
OBJECTIVES: The purpose of this systematic review was to evaluate the impact of the abutment characteristics on peri-implant tissue health and to identify the most suitable material and surface characteristics. METHODS: A protocol was developed aimed to answer the following focused question: "Which is the effect of the modification of the abutment design in regard to the maintenance of the peri-implant soft tissue health?" Further subanalysis aimed to investigate the impact of the abutment material, macroscopic design, surface topography and surface manipulation...
October 26, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/29071736/histopathological-comparison-of-healing-after-maxillary-sinus-augmentation-using-xenograft-mixed-with-autogenous-bone-versus-allograft-mixed-with-autogenous-bone
#15
Pablo Galindo-Moreno, Juan G de Buitrago, Miguel Padial-Molina, Juan Emilio Fernández-Barbero, Javier Ata-Ali, Francisco O Valle
OBJECTIVE: To compare the clinical and histologic outcomes of two different grafting materials (allograft and xenograft) when combined with autogenous bone and covered with a collagen membrane for sinus augmentation. MATERIAL AND METHODS: A parallel case series of fourteen patients in need of a unilateral sinus augmentation was evaluated in this study. Seven patients received a graft composed by autologous cortical bone (ACB) and anorganic bovine bone in a ratio of 1:1; the other seven patients received ACB mixed with an allograft in the same ratio...
October 26, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28653343/guided-bone-regeneration-at-zirconia-and-titanium-dental-implants-a-pilot-histological-investigation
#16
Goran I Benic, Daniel S Thoma, Ignacio Sanz-Martin, Fernando Munoz, Christoph H F Hämmerle, Antonio Cantalapiedra, Jens Fischer, Ronald E Jung
AIM: To test whether guided bone regeneration (GBR) of peri-implant defects at zirconia (ZrO2 ) implants differs from GBR at titanium (Ti) implants regarding the bone integration of the implant and of the grafting material. MATERIALS AND METHODS: Maxillary premolars and molars were extracted in seven dogs. After 5 months, four semi-saddle bone defects were created in each maxilla. Implant placement and simultaneous GBR were performed using the following randomly assigned modalities: (1) ZrO2 implant + deproteinized bovine bone mineral (DBBM) granules + a collagen membrane (CM), (2) ZrO2 implant + DBBM with 10% collagen matrix + CM, (3) ZrO2 implant + DBBM block + CM, and (4) Ti implant + DBBM granules + CM...
December 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28626888/clinical-and-radiographic-evaluation-of-early-loaded-narrow-diameter-implants-5-year-follow-up-of-a-multicenter-prospective-clinical-study
#17
Pablo Galindo-Moreno, Peter Nilsson, Paul King, Nils Worsaae, Alexander Schramm, Miguel Padial-Molina, Carlo Maiorana
OBJECTIVE: This study was initiated to evaluate the 5-year implant survival rate and marginal bone levels around a 3.0-mm implant when replacing a single tooth in the anterior region. MATERIALS AND METHODS: The study was designed as a prospective, single-arm, multicenter clinical study. Patients missing 12, 22, 32, 31, 41 or 42 teeth were included, and implants of 3.0 mm diameter and different lengths were placed by a one-stage surgery protocol. Definitive cemented crowns were placed 6-10 weeks later...
December 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28556432/randomized-controlled-clinical-trial-comparing-one-piece-and-two-piece-dental-implants-supporting-fixed-and-removable-dental-prostheses-4-to-6-year-observations
#18
Felix B Gamper, Goran I Benic, Ignacio Sanz-Martin, Asgeir G Asgeirsson, Christoph H F Hämmerle, Daniel S Thoma
OBJECTIVES: To test whether or not a one- (S1) and a two-piece (S2) dental implant systems render the same biological, technical, and esthetic outcomes regarding implants and implant-supported reconstructions over an observation period of 4 to 6 years. MATERIALS AND METHODS: Sixty patients were randomly assigned to receive S1 or S2 implants. The implants were restored with either fixed or removable prostheses. The insertion of the final reconstruction was chosen as baseline...
December 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27766693/implant-survival-following-sinus-membrane-elevation-without-grafting-and-immediate-implant-installation-with-a-one-stage-technique-an-up-to-40-month-evaluation
#19
Sebastian Stefanski, Börje Svensson, Andreas Thor
PURPOSE: Various augmentation procedures involving the maxillary sinus, using bone substitutes or bone, have been used to enhance bone support for dental implants. The aim of this study was to retrospectively evaluate the status of implants in patients who had undergone a maxillary sinus lift and immediate implant placement without the addition of graft material. MATERIALS AND METHODS: Nineteen patients who had required bone augmentation of their maxillary sinus floor were evaluated in this study...
November 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27743398/survival-of-dental-implants-placed-in-sites-of-previously-failed-implants
#20
Bruno R Chrcanovic, Jenö Kisch, Tomas Albrektsson, Ann Wennerberg
OBJECTIVES: To assess the survival of dental implants placed in sites of previously failed implants and to explore the possible factors that might affect the outcome of this reimplantation procedure. MATERIALS AND METHODS: Patients that had failed dental implants, which were replaced with the same implant type at the same site, were included. Descriptive statistics were used to describe the patients and implants; survival analysis was also performed. The effect of systemic, environmental, and local factors on the survival of the reoperated implants was evaluated...
November 2017: Clinical Oral Implants Research
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