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Soft tissue thickness AND implant bone

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https://www.readbyqxmd.com/read/28178323/non-invasive-evaluation-of-facial-crestal-bone-with-ultrasonography
#1
Hsun-Liang Chan, Khaled Sinjab, Ming-Pang Chung, Yi-Chen Chiang, Hom-Lay Wang, William V Giannobile, Oliver D Kripfgans
PURPOSE: Facial crestal bone level and dimension determine function and esthetics of dentition and dental implants. We have previously demonstrated that ultrasound can identify bony and soft tissue structures in the oral cavity. The aim of this study is to evaluate the accuracy of using ultrasound to measure facial crestal bone level and thickness. MATERIALS AND METHODS: A commercially available medical ultrasound scanner, paired with a 14 MHz imaging probe was used to scan dental and periodontal tissues at the mid-facial site of each tooth on 6 fresh cadavers...
2017: PloS One
https://www.readbyqxmd.com/read/28167874/design-considerations-for-the-next-generation-hip-resurfacing-implant-commentary
#2
Edwin P Su
The current generation of hip resurfacing consists of a metal-on-metal ball and monoblock socket of minimal thickness. Although results in certain patient subgroups have been excellent at up to 15 years of follow-up, other subgroups have had poor results. The hard-on-hard bearing is susceptible to edge-loading conditions and may produce excessive metallic debris; furthermore, other patients have had allergic reactions to the metal byproducts. In both situations, there can be clinical failures from adverse local tissue reactions...
February 2017: HSS Journal: the Musculoskeletal Journal of Hospital for Special Surgery
https://www.readbyqxmd.com/read/28095526/effects-of-platform-switching-on-peri-implant-soft-and-hard-tissue-outcomes-a-systematic-review-and-meta-analysis
#3
Yung-Ting Hsu, Guo-Hao Lin, Hom-Lay Wang
PURPOSE: This systematic review and meta-analysis was aimed at evaluating the longitudinal effect of platform switching on implant survival rates as well as on soft and hard tissue outcomes. MATERIALS AND METHODS: An electronic search of the databases of the National Center for Biotechnology Information, PubMed, Ovid (MEDLINE), EMBASE, Web of Science, and Cochrane Collaboration Library was conducted in February 2015. Studies published in English with at least 10 human participants and a 12-month post-loading follow-up were included...
January 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28042445/guided-bone-regeneration-via-a-preformed-titanium-foil-clinical-histological-and-histomorphometric-outcome-of-a-case-series
#4
M Andreasi Bassi, C Andrisani, S Lico, Z Ormanier, L Ottria, M Gargari
PURPOSE: The aim of this paper was to evaluate the histological and histomorphometric outcome of Preformed Titanium Foil (PTF) to perform Guided Bone Regeneration (GBR) in posterior mandibular atrophies. MATERIALS AND METHODS: 10 subjects (1 male; 9 females; mean age 58±11.37 years), with distal mandibular atrophies were selected to perform GBR by means of PTF, using a moldable allograft paste as graft material. The devices, made of a 0,2 mm thick pure titanium foil, were pre-shaped using stereolithographic models obtained from CT-scan of the patients' recipient site...
October 2016: Oral & Implantology
https://www.readbyqxmd.com/read/28000281/clinical-relevance-of-dimensional-bone-and-soft-tissue-alterations-post-extraction-in-esthetic-sites
#5
REVIEW
Vivianne Chappuis, Mauricio G Araújo, Daniel Buser
The key to achieving pleasing esthetics in implant dentistry is a thorough understanding of the biological processes driving dimensional bone and soft tissue alterations post-extraction. The aim of the present report is first to characterize the extent of bone and soft tissue changes post-extraction and second to identify potential factors influencing tissue preservation in order to facilitate successful treatment outcomes. The facial bone wall thickness has been identified as the most critical factor influencing bone resorption and can be used as a prognostic tool in order to identify sites at risk for future facial bone loss subsequent to tooth extraction...
February 2017: Periodontology 2000
https://www.readbyqxmd.com/read/27928239/comparison-of-tissue-density-in-hounsfield-units-in-computed-tomography-and-cone-beam-computed-tomography
#6
Masoud Varshowsaz, Sepideh Goorang, Sara Ehsani, Zeynab Azizi, Sepideh Rahimian
OBJECTIVES: Bone quality and quantity assessment is one of the most important steps in implant treatment planning. Different methods such as computed tomography (CT) and recently suggested cone beam computed tomography (CBCT) with lower radiation dose and less time and cost are used for bone density assessment. This in vitro study aimed to compare the tissue density values in Hounsfield units (HUs) in CBCT and CT scans of different tissue phantoms with two different thicknesses, two different image acquisition settings and in three locations in the phantoms...
March 2016: Journal of Dentistry of Tehran University of Medical Sciences
https://www.readbyqxmd.com/read/27779610/factors-influencing-the-soft-tissue-changes-around-single-laser-microtextured-implants-abutments-in-the-anterior-maxilla-a-5-year-retrospective-study
#7
Renzo Guarnieri, Luca Savio, Alessandro Bermonds des Ambrois, Stefano Ippoliti, Francesco Zuffetti, Luigi Vito Stefanelli, Stefano Di Carlo, Giorgio Pompa
PURPOSE: The aim of this study was to evaluate the possible factors that influenced the periimplant soft tissue changes around single implants-abutments with laser-microtextured surface (LMS) in the esthetic zone. MATERIALS AND METHODS: Thirty-nine units, formed by implant-abutment with LMS were studied. Variables possibly associated with the periimplant soft tissue changes were obtained from clinical measurements (plaque [present/absent], periimplant biotype [thin/thick], and probing depth); intrasurgical measurements (vertical height in millimeters of the keratinized gingiva in the vestibular part of the implant site vestibular keratinized gingiva [VKG], implant vestibular crestal exposition, vestibular crestal level, and vestibular bone width); cast models (implant position [buccal/palatal], implant abutments angle); periapical radiographs (distance from the contact point to the interproximal bone crest of the adjacent tooth [CP-BC], distance from the contact point to the implant platform [CP-P], distance from the contact point to the first bone to implant contact [CP-IB]); and digital clinical photographs...
December 2016: Implant Dentistry
https://www.readbyqxmd.com/read/27747705/the-effect-of-prf-platelet-rich-fibrin-inserted-with-a-split-flap-technique-on-soft-tissue-thickening-and-initial-marginal-bone-loss-around-implants-results-of-a-randomized-controlled-clinical-trial
#8
Julia Hehn, Thomas Schwenk, Markus Striegel, Markus Schlee
BACKGROUND: Previous studies have shown that adequate thickness or initial augmentation of soft tissue has a positive effect on the stability of peri-implant bone. This randomized, controlled trial aimed to evaluate the influence of augmenting soft tissue with platelet-rich fibrin (PRF) on crestal bone and soft tissue around implants. METHODS: After randomization, 31 fully threaded titanium implants were inserted in 31 patients (16 men and 15 women) in the lower mandible using a split-flap technique...
December 2016: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27716970/soft-tissue-volume-augmentation-at-dental-implant-sites-using-a-volume-stable-three-dimensional-collagen-matrix-histological-outcomes-of-a-preclinical-study
#9
Daniel S Thoma, Nadja Naenni, Goran I Benic, Christoph H F Hämmerle, Ronald E Jung
AIM: The aim of this study was to test whether or not soft tissue augmentation with a collagen matrix (VCMX) leads to a similar increase in ridge width around dental implants compared to the use of an autogenous subepithelial connective tissue graft (SCTG). MATERIALS AND METHODS: In 12 dogs, immediate dental implants were placed with simultaneous guided bone regeneration. Three months later, soft tissue volume augmentation was performed by randomly allocating three treatment modalities to these sites [VCMX, SCTG, sham-operated group (control)]...
October 7, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/27696708/pedicled-medial-sural-perforator-flap-for-the-reconstruction-of-knee-defects
#10
I-Han Chiang, Chia-Chun Wu, Shyi-Gen Chen, Chih-Hsin Wang
Soft tissue defects exposing the patellar tendon or bone are common in patients who have experienced trauma or implant infection. The purpose of this article is to present our experience of six patients who underwent reconstruction of soft tissue defects of the knee using a pedicled medial sural perforator flap. Between November 2013 and November 2015, six patients who presented with a soft tissue defect overlying the knee were admitted to our hospital. After adequate debridement or wide excision of the tumour, these patients underwent pedicled medial sural perforator flap placement to resurface the complex soft tissue defects and to provide a gliding surface for the exposed patellar tendon...
October 3, 2016: International Wound Journal
https://www.readbyqxmd.com/read/27673748/immediate-implant-placement-of-a-single-central-incisor-using-a-cad-cam-crown-root-form-technique-provisional-to-final-restoration
#11
Dean Vafiadis, Gary Goldstein, David Garber, Anthony Lambrakos, Bj Kowalski
OBJECTIVE: Preserving soft and hard tissues after extraction and implant placement is crucial for anterior esthetics. This technique will show how the information gathered from a cone-beam computed tomography (CBCT) scan of the maxillary left central incisor and an intra-oral digital impression can be merged to fabricate a CAD/CAM crown-root matrix to be used as an immediate provisional restoration that mimics the natural anatomy. CLINICAL CONSIDERATIONS: Due to trauma, a left central incisor appeared to be fractured and was scheduled for extraction and implant placement...
September 27, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27596490/a-new-cervical-implant-design-compared-with-standard-design-in-order-to-increase-peri-implant-hard-and-soft-tissue-behavior-histomorphometric-and-histological-study-in-dogs
#12
José Luis Calvo-Guirado, José E Maté-Sánchez de Val, Rafael Arcesio Delgado-Ruiz, Manuel Fernández Domínguez, Paulo Henrique Orlato Rossetti, Sergio A Gehrke
OBJECTIVE: The aim of this study was to evaluate a new design of the cervical portion of dental implant with the objective to increase the volume of peri-implant tissues in the crestal area. MATERIALS AND METHODS: Forty-eight tapered dental titanium implants with internal conical connection were implanted in healed alveolar sites of six dogs. Twenty-four conventional implants design (C1 implant) formed the control group, and 24 new implant design (V3 implant) formed the test group...
September 5, 2016: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27565228/different-configuration-of-socket-shield-technique-in-peri-implant-bone-preservation-an-experimental-study-in-dog-mandible
#13
José Luis Calvo Guirado, Miguel Troiano, P J López-López, María Piedad Ramírez-Fernandez, José Eduardo Maté Sánchez de Val, Jose Manuel Granero Marin, Sergio Alexandre Gehrke
The aim of this study was to evaluate the influence of the residual root and peri implant bone dimensions on the clinical success of the socket shield technique. Thirty-six dental implants were installed in 6 dogs. The clinical crowns of teeth P3, P4 and M1 were beheaded. Afterwards, the roots were worn down 2-3mm in apical direction until they were located at crestal level. Posterior implant beds were prepared in the center of the roots passing by 3mm apically forming 6 groups in accordance to the remaining root thickness...
November 2016: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/27560667/transmucosal-implant-placement-with-submarginal-connective-tissue-graft-in-area-of-shallow-buccal-bone-dehiscence-a-three-year-follow-up-case-series
#14
Martina Stefanini, Pietro Felice, Claudio Mazzotti, Matteo Marzadori, Enrico F Gherlone, Giovanni Zucchelli
The aim of the present case series study was to evaluate the short- and long-term (3 years) soft tissue stability of a surgical technique combining transmucosal implant placement with submarginal connective tissue graft (CTG) in an area of shallow buccal bone dehiscence. A sample of 20 patients were treated by positioning a transmucosal implant in an intercalated edentulous area. A CTG sutured to the inner aspect of the buccal flap was used to cover the shallow buccal bone dehiscence. Clinical evaluations were made at 6 months (T₁) and 1 (T₂) and 3 (T₃) years after the surgery...
September 2016: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/27540840/flap-designs-for-implant-related-surgical-procedures-a-review
#15
Mohammed Jasim Al-Juboori
PURPOSE: The objective of this study was to compare the reliability and results of 2 flap techniques, flapless (FL) and full-thickness (FT) flap, during implant placement. MATERIALS AND METHODS: Online and hand searches of the literature published were conducted to identify studies examining different flap techniques on clinical and histological outcomes. The search terms used, alone or in combination, were "flapless," "full-thickness flap," "crestal bone resorption," "gingival blood circulation," and "biological width...
December 2016: Implant Dentistry
https://www.readbyqxmd.com/read/27534085/-case-control-study-on-zero-profile-implant-for-anterior-cervical-discectomy-and-fusion-and-conventional-cage-plate-internal-fixation-for-the-treatment-of-single-segmental-cervical-intervertebral-disc-herniation
#16
Hai-yu Shao, Jun Zhang, Di Yang, Jin-ping Chen, Ya-zeng Huang
OBJECTIVE: To compare clinical efficacy of Zero-profile implant for anterior cervical discectomy and fusion and conventional titanium plate with cage internal fixation for the treatment of single segmental cervical intervertebral disc herniation. METHODS: From August 2011 to March 2014, clinical data of 139 patients with single cervical disc herniation treated with anterior cervical discectomy and interbody fusion with internal fixation were retrospectively analyzed...
June 2016: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/27469550/guided-bone-regeneration-in-distal-mandibular-atrophy-by-means-of-a-preformed-titanium-foil-a-case-series
#17
M Andreasi Bassi, C Andrisani, M A Lopez, R M Gaudio, L Lombardo, D Lauritano
The aim of this case series was to evaluate the clinical outcome of preformed titanium foil (PTF) to perform guided bone regeneration (GBR) in posterior mandibular atrophies. Thirteen patients (4 male; 9 female; mean age 58.85±10.16 years), with class II division C atrophy, according to Misch, were selected to perform GBR by means of PTF, using a moldable allograft paste as graft material. The devices, made of a 0.2mm thick pure titanium foil, were pre-shaped using stereolithographic models obtained from CT-scan of the patients’ recipient sites...
April 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/27469422/correlation-between-pre-operative-buccal-bone-thickness-and-soft-tissue-changes-around-immediately-placed-and-restored-implants-in-the-maxillary-anterior-region-a-2-year-prospective-study
#18
Himanshu Arora, Saso Ivanovski
OBJECTIVES: This study evaluated the correlation between pre-operative buccal cortical bone thickness and peri-implant tissue response following immediate placement and restoration of implants in the maxillary aesthetic zone. MATERIAL AND METHODS: Eighteen patients (3 males, 15 females) with an age range of 19-57 years requiring the replacement of a single maxillary anterior tooth were included in this prospective study. Patients were selected on the basis of defined criteria: intact socket walls, absence of any acute infection in the sockets, absence of any gingival marginal pathology and attainment of a high primary stability (≥30 Ncm) at implant placement...
July 29, 2016: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27432592/what-is-the-effect-of-soft-tissue-thickness-on-crestal-bone-loss-around-dental-implants-a-systematic-review
#19
Aliye Akcalı, Anna Trullenque-Eriksson, Chuanming Sun, Aviva Petrie, Luigi Nibali, Nikolaos Donos
OBJECTIVES: The aim of this systematic review was to determine whether soft tissue biotype at implant placement has an influence on crestal bone loss (CBL) at 1 year after implant loading. MATERIAL AND METHODS: Following electronic search in three databases (MEDLINE via OVID, EMBASE and The Cochrane Database) and hand search up to April 2015, two reviewers screened independently and in duplicate the references to identify randomized controlled trials, controlled clinical trials (CCTs) and prospective case series eligible for systematic review and meta-analysis...
July 19, 2016: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27364369/guided-bone-regeneration-using-individualized-ceramic-sheets
#20
J Malmström, J Anderud, P Abrahamsson, D-Å Wälivaara, S G Isaksson, E Adolfsson
Guided bone regeneration (GBR) describes the use of membranes to regenerate bony defects. A membrane for GBR needs to be biocompatible, cell-occlusive, non-toxic, and mouldable, and possess space-maintaining properties including stability. The purpose of this pilot study was to describe a new method of GBR using individualized ceramic sheets to perfect bone regeneration prior to implant placement; bone regeneration was assessed using traditional histology and three-dimensional (3D) volumetric changes in the bone and soft tissue...
October 2016: International Journal of Oral and Maxillofacial Surgery
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