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Teeth implants

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https://www.readbyqxmd.com/read/28430345/healing-response-of-rat-pulp-treated-with-an-injectable-keratin-hydrogel
#1
Lavanya Ajay Sharma, Robert M Love, Mohammad A Ali, Ajay Sharma, Soraia Macari, Avadhoot Avadhani, George J Dias
BACKGROUND: Keratin has shown promising outcomes as a biomaterial due to its inherent bioactivity, biocompatibility and regenerative effects. The effect of keratin on repair and regeneration of dental tissues has never been studied before. Current therapies to treat pulp tissues involve its replacement with inert, synthetic materials that do not have a proper biological function, leading to failure and tooth loss. This study aimed to develop a biocompatible keratin hydrogel (KH) suitable for pulp therapies...
April 20, 2017: Journal of Applied Biomaterials & Functional Materials
https://www.readbyqxmd.com/read/28425209/identification-of-dynamic-load-for-prosthetic-structures
#2
Dequan Zhang, Xu Han, Zhongpu Zhang, Jie Liu, Chao Jiang, Nobuhiro Yoda, Xianghua Meng, Qing Li
Dynamic load exists in numerous biomechanical systems and its identification signifies a critical issue for characterizing dynamic behaviors and studying biomechanical consequence of the systems. This study aims to identify dynamic load in the dental prosthetic structures, namely three-unit implant-supported fixed partial denture (I-FPD) and teeth-supported fixed partial denture (T-FPD). The three-dimensional (3D) finite element (FE) models were constructed through patient's computerized tomography (CT) images...
April 20, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28424733/combined-implant-and-tooth-support-an-up-to-date-comprehensive-overview
#3
REVIEW
Mahmoud K Al-Omiri, Maher Al-Masri, Mohannad M Alhijawi, Edward Lynch
Objectives. This article presents a review on the concerned topics and some considerations related to the concept of splinting teeth and implants in the rehabilitation of partial edentulism. Study Selection. An electronic PubMed/MEDLINE and manual search of identified articles and reviews as well as clinical, laboratory, and finite element studies was performed in this project. Due to the shortage in within-subject, long term, randomized, controlled clinical trials regarding the subject a meta-analysis was not possible...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28421148/multidisciplinary-approach-in-the-management-of-a-complex-case-implant-prosthetic-rehabilitation-of-a-periodontal-smoking-patient-with-partial-edentulism-malocclusion-and-aesthetic-diseases
#4
Alessandro Lanza, Fabrizio Di Francesco, Gennaro De Marco, Fabio Scognamiglio, Valeria Aruta, Angelo Itro
Complex periprosthetic cases are considered as challenges by clinicians. Clinical and radiographic parameters should be considered separately to make the right choice between an endodontically or periodontally compromised treated tooth and implant. Therefore, in order to decide whether the tooth is safe or not, data that have to be collected are specific parameters of both the patient and the clinician. In addition, the presence of periodontal, prosthetic, and orthodontic diseases requires patients to be set in multidisciplinary approach...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28416308/implantation-of-endothelial-cells-with-mesenchymal-stem-cells-accelerates-dental-pulp-tissue-regeneration-healing-in-pulpotomized-rat-molars
#5
Yukiko Sueyama, Tomoatsu Kaneko, Takafumi Ito, Reika Kaneko, Takashi Okiji
INTRODUCTION: This study aimed to examine whether the implantation of mesenchymal stem cells (MSCs) with endothelial cells (ECs) accelerates pulp tissue regeneration/healing and induces dentin bridge formation in a rat model of molar coronal pulp regeneration. METHODS: The maxillary first molars of Wistar rats were subjected to pulpotomy. Then, pulp chambers were implanted with biodegradable hydrogel-made scaffolds carrying MSCs together or without dermal microvascular ECs, and the cavities were sealed with mineral trioxide aggregate...
April 14, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28410841/contemporary-surgical-management-of-hypodontia
#6
REVIEW
J Breeze, M S Dover, R W Williams
Hypodontia is the term most commonly applied to the condition in which teeth congenitally fail to develop. Such cases differ from teeth that have been lost early or that have failed to erupt, although their initial presentation may be similar and therefore not recognised. The range of missing teeth and their physical and psychological results is large, and the difference in complexity in the management of a patient with isolated hypodontia compared with one with oligodontia or anodontia together with skeletal and orthognathic discrepancies should not be underestimated...
April 11, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28407420/dental-biofilm-infections-an-update
#7
REVIEW
Tove Larsen, Nils-Erik Fiehn
Teeth are colonized by oral bacteria from saliva containing more than 700 different bacterial species. If removed regularly, the dental biofilm mainly comprises oral streptococci and is regarded as resident microflora. But if left undisturbed, a complex biofilm containing up to 100 bacterial species at a site will build up and may eventually cause development of disease. Depending on local ecological factors, the composition of the dental biofilm may vary considerably. With access to excess carbohydrates, the dental biofilm will be dominated by mainly gram-positive carbohydrate-fermenting bacteria causing demineralization of teeth, dental caries, which may further lead to inflammation and necrosis in the pulp and periapical region, i...
April 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28403135/evaluation-of-impacting-factors-on-facial-bone-thickness-in-the-anterior-maxillary-region
#8
Amirhossein Farahamnd, Fatemeh Sarlati, Saeedeh Eslami, Marjan Ghassemian, Navid Youssefi, Bahareh Jafarzadeh Esfahani
BACKGROUND: The goal of the current study was to measure the width of the labial alveolar bone of the overlying maxillary anterior teeth, based on cone-beam computed tomography (CBCT) images, and the distance between cementoenamel junction (CEJ) and bone crest in adult patients. METHODS: A cross-sectional study was performed using a sample of 132 tomographic scans. Intact maxillary anterior with healthy periodontium and teeth was randomly selected and afterwards assessed by 2 calibrated and independent reviewers...
April 11, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28402355/digitally-milled-metal-framework-for-fixed-complete-denture-with-metal-occlusal-surfaces-a-design-concept
#9
Bader AlBader, Abdulaziz AlHelal, Periklis Proussaefs, Antonela Garbacea, Mathew T Kattadiyil, Jaime Lozada
Implant-supported fixed complete dentures, often referred to as hybrid prostheses, have been associated with high implant survival rates but also with a high incidence of mechanical prosthetic complications. The most frequent of these complications have been fracture and wear of the veneering material. The proposed design concept incorporates the occlusal surfaces of the posterior teeth as part of a digital milled metal framework by designing the posterior first molars in full contour as part of the framework...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28402353/peri-implant-soft-tissue-stability-after-single-implant-restorations-using-either-guided-bone-regeneration-or-a-connective-tissue-graft-a-randomized-clinical-trial
#10
Chiara D'Elia, Nicola Baldini, Edoardo Ferrari Cagidiaco, Giacomo Nofri, Cecilia Goracci, Massimo de Sanctis
The purpose of the present study was to compare two different surgical procedures, connective tissue graft and guided bone regeneration, when applied in conjunction with implant placement. Probing pocket depth and the recession depth were recorded at the implant site after crown placement (T₁) and at the 1-year follow-up (T₂), while the keratinized tissue height and the buccal mucosa thickness were recorded at three different time points: at the time of implant surgery (T₀), after crown placement, and at the 1-year follow-up...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28402348/accuracy-of-bone-sounding-in-assessing-facial-osseous-gingival-tissue-relationship-in-maxillary-anterior-teeth
#11
Joseph Yk Kan, Yoon Jeong Kim, Kitichai Rungcharassaeng, John C Kois
The aim of this study was to evaluate the accuracy of bone sounding (BS) in assessing the facial osseous-gingival tissue relationship (FOGTR) of failing maxillary anterior teeth. Dental records of patients who received immediate implant placement (IIP) at the maxillary anterior area were screened. Mid-FOGTR prior to extraction (BS), and immediately after flapless extraction (direct bone level [DBL] measurement) were analyzed. A total of 160 patients with 190 maxillary anterior teeth were included. The mean FOGTR obtained from BS and DBL were 3...
May 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28396130/gingival-esthetics-and-oral-health-related-quality-of-life-in-patients-with-cleft-lip-and-palate
#12
F Stelzle, M Rohde, N Oetter, K Krug, M Riemann, W Adler, F W Neukam, C Knipfer
While the oral health-related quality of life (OHRQoL) is known to be reduced in patients with cleft lip and palate (CLP), its inter-dependency with the soft tissue characteristics of the CLP area remains unclear. This study aimed to evaluate the soft tissue characteristics in the treated cleft area in order to investigate whether gingival esthetics correlate with OHRQoL. Thirty-six patients with unilateral or bilateral CLP (46 cleft areas) were investigated after secondary/tertiary alveolar bone grafting and orthodontic/prosthetic implant treatment using an adapted score to rate gingival esthetics (clinical esthetic score, CES)...
April 7, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28392948/advanced-implant-prosthetic-rehabilitation-how-to-obtain-a-correct-restoration-of-both-functions-and-aesthetics-in-patients-with-complex-combined-dental-and-maxillofacial-trauma-a-case-report-and-topical-review-of-the-literature
#13
M M Figliuzzi, A Giudice, L Fortunato
Aim. This study aims to explain the main steps that characterize the implant-prosthetic rehabilitation in complex combined dental and maxillofacial trauma. Material and Methods. A 20-year-old patient reported an extensive facial trauma which also involved the alveolar process of the maxillary bone. The patient reported a maxillofacial fracture and the loss of teeth 1.3, 1.2, 1.1, and 2.1. A "Le Fort" type 2 fracture was also reported, with the malar bone involvement. After reduction and containment of bone fractures, through appropriate mounting plates, appropriate functional and aesthetic rehabilitation of the patient were replaced thanks to a temporary removable prosthesis...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28391648/prevalence-of-proximal-contact-loss-between-implant-supported-fixed-prostheses-and-adjacent-natural-teeth-and-its-associated-factors-a-7-year-prospective-study
#14
Nan-Sim Pang, Chang-Sup Suh, Kee-Deog Kim, Wonse Park, Bock-Young Jung
OBJECTIVES: The aim was to analyze the prevalence rate of proximal contact loss (PCL) between implant-fixed prostheses (IFPs) and adjacent teeth and investigate the associated factors. MATERIAL AND METHODS: One hundred fifty participants were recruited for this prospective study from January 2009 to December 2014. Two hundred thirty-four IFPs supported by 384 implants for the posterior region were followed up until June 2016. The contact tightness had been recorded using aluminum strips of different thicknesses with a regular interval after delivery...
April 8, 2017: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/28389179/bone-anchored-intermaxillary-elastics-in-an-asymmetric-class-ii-malocclusion-a-case-report
#15
Antonio Manni, Daniela Lupini, Mauro Cozzani
PURPOSE: A 13-year-old male patient, presenting a Class II, division 1 malocclusion and crowding was treated by an innovative technique. METHODS: After rapid palatal expansion by a Hyrax appliance, the teeth were bonded with straightwire brackets. Two miniscrews were inserted, one per side, in the mandibular buccal bone between the roots of the mandibular first molar and the second premolar. On the right side, the miniscrew implant was connected to the hook clamped on a 0...
April 4, 2017: International Orthodontics
https://www.readbyqxmd.com/read/28381734/implant-supported-oral-rehabilitation-in-child-with-ectodermal-dysplasia-4-year-follow-up
#16
Thaisa Cezária Triches, Marcos Ximenes, João Gustavo Oliveira de Souza, Armando Rodrigues Lopes Pereira Neto, Antônio Carlos Cardoso, Michele Bolan
Ectodermal dysplasia (ED) is an anomaly determined by genetic factors that alter ectodermal structures such as skin, hair, nails, glands, and teeth. Children affected by this condition require extensive, comprehensive, and multidisciplinary treatment. An 8-year-old female patient visited the Dentistry Clinic of the Federal University of Santa Catarina with the chief complaint of multiple missing teeth. The mother reported that the patient had ED. Clinical and radiographic examination revealed the congenital absence of several primary and permanent teeth and tooth germs...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28381733/tooth-auto-transplantation-an-alternative-treatment
#17
Jawaad Ahmed Asif, Tahir Yusuf Noorani, Mohammad Khursheed Alam
Auto-transplantation is the repositioning of an autogenously erupted, partially erupted, or unerupted tooth from one site to another in the same individual. The purpose of this case report is to describe the auto-transplantation of the mandibular third molars as an alternative means of replacing second molars requiring extraction. An orthopantomogram revealed horizontal impaction of teeth #37 and 47 and mesio-angular impaction of teeth #38 and 48. Cone beam computed tomography revealed that the roots of #37 and 47 were in close proximity to the inferior alveolar canal bilaterally...
2017: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/28377984/low-dose-effect-of-bisphosphonates-on-hmscs-osteogenic-response-to-titanium-surface-in-vitro
#18
N R Alqhtani, N J Logan, S Meghji, R Leeson, P M Brett
Since the 1980s, titanium (Ti) implants have been routinely used to replace missing teeth. This success is mainly due to the good biocompatibility of Ti and the phenomenon of osseointegration, with very early events at implant placement being important in determining good osseointegration. However, enhancing implant performance with coatings such as hydroxyapatite (HA) and calcium phosphate has proved largely unsuccessful. Human mesenchymal stem cells (hMSCs) are the first osteogenic cells to colonise implant surfaces and offer a target for enhancing osseointegration...
June 2017: Bone Reports
https://www.readbyqxmd.com/read/28374679/in-vitro-study-of-electrodeposited-fluoridated-hydroxyapatite-coating-on-g-ii-titanium-with-a-nanostructured-tio2-interlayer
#19
Jin-Shyong Lin, Tzung-Bau Tsai, Wen-Ching Say, Chun Chiu, Shih-Hsun Chen
Titanium and its alloys have been widely used as orthopedic and dental implants for several decades due to their superior mechanical properties, corrosion resistance and biocompatibility. Recently, many researches revealed that the hydroxyapatite coatings on biomedical materials can further improve their biocompatibility and bioactivity. However, hydroxyapatite coatings are easily decomposed, weakening the bonding between implants and bone tissues and resulting in a high dissolution rate in the biological environment...
April 4, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28368133/10-keys-for-successful-esthetic-zone-single-immediate-implants
#20
Robert A Levine, Jeffrey Ganeles, Luiz Gonzaga, Joseph K Kan, Harry Randel, Chris D Evans, Stephen T Chen
The 10 keys for successful esthetic-zone single immediate implants encapsulate in an evidencebased manner the treatment planning and replacement of single hopeless teeth in the maxillary anterior sextant. These include 2 treatment-planning, 5 surgical, and 3 prosthetic keys, which, collectively, aim to minimize soft- and hard-tissue complications for an optimal esthetic implant restoration. The straightforward, advanced, and complex (SAC) classification was designed to aid clinicians in the treatment planning of dental implant cases...
April 2017: Compendium of Continuing Education in Dentistry
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