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https://www.readbyqxmd.com/read/28632257/modeling-of-crestal-bone-after-submerged-vs-transmucosal-implant-placement-a-systematic-review-with-meta-analysis
#1
Stefan Paul, Matthias Petsch, Ulrike Held
PURPOSE: To determine differences in marginal bone changes when using submerged or transmucosal dental implants through a systematic review of the literature. MATERIALS AND METHODS: PubMed, Embase, and the Cochrane Library were electronically searched for trials comparing marginal bone loss between submerged and transmucosal dental implants with a minimum follow-up of 12 months published between January 1980 and January 2016. Manual searches of the bibliographies of the included studies were also carried out...
June 20, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28628350/custom-cast-ball-attachments-used-on-outdated-implants-to-restore-a-maxillary-implant-supported-overdenture
#2
Andressa Rosa Perin Leite, Danny Omar Mendoza Marin, Gabriela Giro, Ana Carolina Pero, Ligia Antunes Pereira Pinelli, JoséMauriciodos Santos Reis
The lack of compatible prosthetic components can be a complication during oral rehabilitations using outdated implants. The aim of the present clinical report was to describe an alternative technique for the fabrication of a maxillary implant-supported overdenture in a patient with 20-year-old dental implants using castable spherical patterns and ball-attachments. The patient had been wearing a relined bar/clip overdenture in the mandible on four external-hexagon dental implants and a relined complete denture in the maxilla on four internal-hexagon implants due to abutment screw fracture inside of the implants, losing the attachment system...
June 19, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28609498/treatment-of-a-mandibular-glandular-odontogenic-cyst-with-peripheral-ostectomy-bone-allograft-and-implant-reconstruction-a-case-report
#3
Christopher T Barth, John A Chamberlain, Jeffrey R Wessel
This article reports on a case of a glandular odontogenic cyst (GOC) in the posterior mandible of a 25-year-old male treated with peripheral ostectomy, bone allograft, and an implant-supported fixed dental prosthesis. During a routine 3-month postoperative visit, a radiograph suggested vertical bone loss on the implant in the location of the mandibular right first molar. The three-walled defect was surgically treated with debridement, bone allograft, and a membrane. Healing of this site has been uneventful...
July 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28603707/maxillary-resection-for-cancer-zygomatic-implants-insertion-and-palatal-repair-as-single-stage-procedure-report-of-three-cases
#4
Pietro Salvatori, Antonio Mincione, Lucio Rizzi, Fabrizio Costantini, Alessandro Bianchi, Emma Grecchi, Umberto Garagiola, Francesco Grecchi
BACKGROUND: Oronasal/antral communication, loss of teeth and/or tooth-supporting bone, and facial contour deformity may occur as a consequence of maxillectomy for cancer. As a result, speaking, chewing, swallowing, and appearance are variably affected. The restoration is focused on rebuilding the oronasal wall, using either flaps (local or free) for primary closure, either prosthetic obturator. Postoperative radiotherapy surely postpones every dental procedure aimed to set fixed devices, often makes it difficult and risky, even unfeasible...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28594592/alveolar-ridge-preservation-using-allografts-and-dptfe-membranes-with-open-membrane-technique-in-unhealthy-extraction-sockets
#5
Gi-Beom Cheon, Kyung Lhi Kang, Mi-Kyung Yoo, Jeoung-A Yu, Dongwoon Lee
We evaluated the effectiveness of the open membrane technique using a high-density polytetrafluoroethylene (dPTFE) membrane with freeze-dried bone allografts (FDBA) in damaged sockets for alveolar ridge preservation (ARP). This retrospective study included 26 sites from 20 patients who had received ARP for the placement of dental implants. ARP was conducted using dPTFE membrane with allografts on the day of extraction without primary closure. When the membrane was removed after 4 weeks, the newly-formed reddish tissue at the grafted site was checked (1st outcome, clinical evaluation)...
June 8, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28576635/-infective-endocarditis-prophylaxis-in-congenital-heart-disease
#6
Sylvie Di Filippo
Infective endocarditis can negatively impact prognosis of congenital heart disease and has a 10-15% incidence of mortality. New guidelines recommend prophylaxis of infective endocarditis only for high-risk group (cyanotic congenital heart disease, valvular prosthesis, previous endocarditis) and for some specific invasive dental procedures. New guidelines are focused mainly on oral and cutaneous hygiene. Native shunts and valvular disease are no more targets for prophylaxis. More than half of the physicians do not follow the new guidelines...
May 30, 2017: La Presse Médicale
https://www.readbyqxmd.com/read/28575940/ag-nanoparticle-coated-zirconia-for-antibacterial-prosthesis
#7
Risa Yamada, Kosuke Nozaki, Naohiro Horiuchi, Kimihiro Yamashita, Reina Nemoto, Hiroyuki Miura, Akiko Nagai
Bacterial adhesion to dental materials is a major cause of caries and periodontitis, necessitating the development of compounds such as yttria-stabilized zirconia (YSZ) and silver nanoparticles (AgNPs), which are widely employed in medicine due to their high antimicrobial activity and low cytotoxicity. The main goal of this study is the synthesis of the broad antimicrobial activity of AgNP-coated YSZ with facile methods. The bactericidal AgNPs were immobilized on the surface of YSZ and tested for bactericidal activity against Staphylococcus aureus, Streptococcus mutans, Escherichia coli, and Aggregatibacter actinomycetemcomitans based on ISO 22196:2007...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28572648/successful-and-safe-endoscopic-removal-of-a-dental-prosthesis-from-the-colon-using-an-adapted-capuchon-hood
#8
Marta Gravito-Soares, Nuno Almeida, Elisa Gravito-Soares, Alexandra Fernandes, Pedro Figueiredo, Carlos Sofia
No abstract text is available yet for this article.
June 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28571258/immediate-versus-delayed-loading-of-implant-for-replacement-of-missing-mandibular-first-molar-a-randomized-prospective-six-years-clinical-study
#9
Prudhvi Raj Lakshmi Venkata Chidagam, Vijaya Chandra Gande, Sravanthi Yadlapalli, Ramani Yarlagadda Venkata, Sudheer Kondaka, Sravya Chedalawada
INTRODUCTION: Emergence of dental implants made the replacement of missing tooth easy. During the early days of introduction, implants were loaded three to six months after implant insertion, but understanding of healing cascade and improved production technology has changed the phase of restoration from delayed to immediate loading. AIM: To evaluate and compare the clinical outcome of immediate and delayed loaded implant supported prosthesis for missing mandibular first molar...
April 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28560816/scan-layered-reconstructions-a-pilot-study-of-a-nondestructive-dental-histoanatomical-analysis-method-and-digital-workflow-to-create-restorations-driven-by-natural-dentin-and-enamel-morphology
#10
João Malta Barbosa, Nick Tovar, Pablo A Tuesta, Ronaldo Hirata, Nuno Guimarães, José C Romanini, Marjan Moghadam, Paulo G Coelho, Leila Jahangiri
OBJECTIVE: This work aims to present a pilot study of a non-destructive dental histo-anatomical analysis technique as well as to push the boundaries of the presently available restorative workflows for the fabrication of highly customized ceramic restorations. MATERIALS AND METHODS: An extracted human maxillary central incisor was subject to a micro computed tomography scan and the acquired data was transferred into a workstation, reconstructed, segmented, evaluated and later imported into a Computer-Aided Design/Computer-Aided Manufacturing software for the fabrication of a ceramic resin-bonded prosthesis...
May 31, 2017: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/28555206/a-comparison-of-two-implants-with-conical-vs-internal-hex-connections-1-year-post-loading-results-from-a-multicentre-randomised-controlled-trial
#11
Maurizio Cannata, Tommaso Grandi, Rawad Samarani, Luigi Svezia, Giovanni Grandi
PURPOSE: To compare the clinical and radiological outcomes of identical implants with conical or internal hex connections. METHODS: A total of 90 patients with partial edentulism requiring one implant-supported prosthesis were randomly allocated in two equal groups (n = 45) to receive either implants with a conical connection or implants of the same type, but with an internal hex connection at three centres. Patients were followed for 1 year after loading. Outcome measures were implant failures, any complication and marginal bone level changes...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28555205/conventional-drills-vs-piezoelectric-surgery-preparation-for-placement-of-four-immediately-loaded-zygomatic-oncology-implants-in-edentulous-maxillae-results-from-1-year-split-mouth-randomised-controlled-trial
#12
Marco Esposito, Carlo Barausse, Andrea Balercia, Roberto Pistilli, Daniela Rita Ippolito, Pietro Felice
PURPOSE: To compare the outcome of site preparation for zygomatic oncology implants using conventional preparation with rotary drills or piezoelectric surgery with dedicated inserts for placing two zygomatic implants per zygoma according to a split-mouth design. MATERIALS AND METHODS: Twenty edentulous patients with severely atrophic maxillas not having sufficient bone volume for placing dental implants and less than 4 mm of bone height subantrally had their hemi-maxillas randomised according to a split-mouth design into implant site preparation with conventional rotational drills or piezoelectric surgery...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28555204/immediate-loading-of-two-fixed-on-2-vs-four-fixed-on-4-implants-placed-with-a-flapless-technique-supporting-mandibular-cross-arch-fixed-prostheses-3-year-results-from-a-pilot-randomised-controlled-trial
#13
Gioacchino Cannizzaro, Pietro Felice, Enrico Gherlone, Carlo Barausse, Vittorio Ferri, Michele Leone, Anna Trullenque-Eriksson, Marco Esposito
PURPOSE: To evaluate the outcome of two vs four implants placed flapless in fully edentulous mandibles and immediately restored with metal-resin screw-retained cross-arch prostheses. MATERIALS AND METHODS: A total of 60 patients from two different centres were randomised: 30 to the fixed-on-2 group and 30 to the fixed-on-4 group according to a parallel group design. To be immediately loaded implants had to be inserted with a minimum torque of 40 Newton/cm (Ncm)...
2017: European Journal of Oral Implantology
https://www.readbyqxmd.com/read/28552286/biomechanical-effects-of-implant-number-and-diameter-on-stress-distributions-in-maxillary-implant-supported-overdentures
#14
Gizem Dimililer, Sercan Kücükkurt, Sedat Cetiner
STATEMENT OF PROBLEM: Implant-supported overdentures (ISOs) are considered a good alternative to conventional removable dentures. However, varying rates of failure have been reported in some clinical studies. Excessive stress on surrounding tissues is one of the possible causes of implant failure. As stress is transmitted to the bone through the implant, careful planning, correct number of implants, and implant positioning are keys to ensuring appropriate stress distribution. However, research of the optimal number of implants necessary to support a maxillary ISO is insufficient...
May 26, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28533015/in%C3%A2-vitro-comparison-of-the-load-bearing-capacity-of-ceramic-and-metal-ceramic-resin-bonded-fixed-dental-prostheses-in-the-posterior-region
#15
Wolfgang Bömicke, Moritz Waldecker, Johannes Krisam, Peter Rammelsberg, Stefan Rues
STATEMENT OF PROBLEM: The clinical use of ceramic resin-bonded fixed dental prostheses (RBFDPs) in the posterior region is desirable for esthetic and biological reasons but has been associated with many technical problems, including fractures or chipping of the veneer. Although these problems may be overcome by using monolithic zirconia, information is lacking about the load-bearing capacity of resin-bonded monolithic zirconia restorations for replacing a molar. PURPOSE: The purpose of this in vitro study was to compare the load-bearing capacity (Fu), the load at initial damage (F1d), and the failure pattern of posterior RBFDPs fabricated from monolithic zirconia (MZr), veneered zirconia (VZr), and veneered cobalt-chromium (VCo)...
May 20, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28517552/clinical-and-radiographic-outcomes-of-immediate-and-delayed-placement-of-dental-implants-in-molar-and-premolar-regions
#16
Joon-Kyu Kim, Hyun-Joong Yoon
PURPOSE: The purpose of this retrospective study was to determine clinical and radiographic outcomes of immediate and delayed placement of dental implants in molar and premolar regions. MATERIALS AND METHODS: Clinical and radiographic records of 116 patients who received implants in molar and premolar regions were included in this study. After implantation, patients were recalled for assessments at 1 month, 3 months, 6 months, 1 year, and every year thereafter. In addition, anatomic location, type of prosthesis, gender, stage, diameter, and length of implants were analyzed...
May 18, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28513894/the-dentoalveolar-prosthesis-a-novel-approach-in-the-reconstruction-of-hard-and-soft-tissue-deficiencies
#17
James K Doll, Peter Barndt, Gerald Grant
A clinical problem commonly encountered by the advanced restorative dentist is a requirement to replace missing teeth and the supporting alveolus in areas adjacent to healthy or manageable dentition. A potential solution could utilize a dentoalveolar prosthesis fabricated on two or more implants in the edentulous area. The implant substructure, or framework, may be cast, milled, or selectively laser melted from a variety of metals. A superstructure, or ceramic overlay incorporating a ceramic or composite resin gingival tissue component, is constructed to fit over the implant substructure and luted to the substructure with resin cement...
May 17, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/28512757/sense-of-coherence-and-oral-health-in-older-adults-in-southern%C3%A2-brazil
#18
Anna Paula da Rosa Possebon, Ana Paula Pinto Martins, Júlia Freire Danigno, Caroline de Oliveira Langlois, Alexandre Emidio Ribeiro Silva
OBJECTIVE: The aim of this study was to evaluate the association between sense of coherence and oral health among older adults treated at family health units in southern Brazil. MATERIAL AND METHODS: The sample was composed of 164 individuals aged 60 years old or older. Socio-demographic and oral health variables were collected using a standardised questionnaire. Sense of coherence (SOC) was measured with the questionnaire proposed by Antonovsky containing 29 closed-ended questions...
May 17, 2017: Gerodontology
https://www.readbyqxmd.com/read/28512551/consensus-statements-and-clinical-recommendations-on-treatment-indications-surgical-procedures-prosthetic-protocols-and-complications-following-all-on-4-standard-treatment-9th-mozo-grau-ticare-conference-in-quintanilla-spain
#19
REVIEW
Miguel Penarrocha-Diago, María Penarrocha-Diago, Regino Zaragozí-Alonso, David Soto-Penaloza, Meeting On Behalf Of The Ticare Consensus
OBJECTIVES: The present consensus report critically evaluates the scientific evidence based on a comprehensive systematic review of the All-On-4 treatment concept, focusing primarily on the treatment indications, surgical procedures and prosthetic protocols, and secondarily on the mechanical and biological complications involved. MATERIAL AND METHODS: A systematic review was made in advance of the meeting. Consensus statements, treatment guidelines and recommendations for future research were based on within-group as well as plenary debates and discussions of the systematic review...
May 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28494273/fatigue-limit-of-monolithic-y-tzp-three-unit-fixed-dental-prostheses-effect-of-grinding-at-the-gingival-zone-of-the-connector
#20
Marina Amaral, Regina F Villefort, Renata Marques Melo, Gabriel K R Pereira, Yu Zhang, Luiz Felipe Valandro, Marco Antonio Bottino
OBJECTIVES: To determine the fatigue limits of three-unit monolithic zirconia fixed dental prosthesis (FDPs) before and after grinding of the gingival areas of connectors with diamond burs. MATERIAL AND METHODS: FDPs were milled from pre-sintered blocks of zirconia simulating the absence of the first mandibular molar. Half of the specimens were subjected to grinding, simulating clinical adjustment, and all of them were subjected to glazing procedure. Additional specimens were manufactured for roughness analysis...
August 2017: Journal of the Mechanical Behavior of Biomedical Materials
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