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Oral dental implants

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https://www.readbyqxmd.com/read/29140388/titanium-activates-the-dna-damage-response-pathway-in-oral-epithelial-cells-a-pilot-study
#1
Fernando Suárez-López Del Amo, Ivan Rudek, Vivian Petersen Wagner, Manoela D Martins, Francisco O'Valle, Pablo Galindo-Moreno, William V Giannobile, Hom-Lay Wang, Rogerio M Castilho
PURPOSE: To evaluate the effect of titanium (Ti) particles on oral epithelial cell homeostasis and the potential of dental implants to release Ti debris upon insertion. MATERIALS AND METHODS: Dental implants with varying surface treatments were employed to determine the feasibility of particle release during implant placement as well as the impact of free Ti debris on oral epithelial cells. Ti particles derived from implant surfaces were isolated and cultured in direct contact with normal oral epithelial cells for 48 hours...
November 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29138601/zinc-phosphate-as-a-definitive-cement-for-implant-supported-crowns-and-fixed-dentures
#2
Dennis Flanagan
Implant-supported dental prostheses can be retained by a screw or cement. Implant-supported fixed partial dentures have a passive fit. A passive fit means there is an internal gap between the abutment surface and the intaglio of the retainer to insure that there is no lateral pressure on the supporting implants or friction upon seating of the prosthesis. This gap is filled with cement for retention of the prosthesis. Any lateral pressure may cause marginal bone loss or periimplantitis. Also, there is usually a microscopic gap at the margin of a crown retainer that exposes the cement to oral fluids...
2017: Clinical, Cosmetic and Investigational Dentistry
https://www.readbyqxmd.com/read/29135328/when-the-solution-becomes-a-problem-an-educational-discussion
#3
Gustavo Frainer Barbosa
Presenting patients with the opportunity to restore their smiles using dental implants, which is a reliable and widely accepted technique, is highly recommended. Therefore, a correct clinical judgment and a, consequently, dental implant treatment planning is a central component of a good practice of implant dentistry. Moreover, to the oral clinician be able to make better decisions and reach a more accurate clinical judgment, it is necessary continuing professional development being, this development, an essential professional activity for dentists that intend planning implant treatments...
November 14, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29126426/the-influence-of-immediately-loaded-implant-treatment-in-the-atrophic-edentulous-maxilla-on-oral-health-related-quality-of-life-of-edentulous-patients-3-year-results-of-a-prospective-study
#4
Maria Erkapers, Susanna Segerström, Karl Ekstrand, Russell A Baer, Joseph A Toljanic, Andreas Thor
BACKGROUND: To evaluate oral health related quality of life (OHQoL) in edentulous patients treated with immediately loaded implants in the maxilla. METHODS: Fifty-one edentulous patients in two centers received six maxillary implants each were loaded within 24 h with provisional restoration. Definitive restoration was delivered 20-24 weeks later. OHQoL was evaluated preoperatively with the Oral Health Impact Profile 49 questionnaire (OHIP-49) and on five subsequent occasions...
November 10, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/29114333/comparing-the-quality-of-life-of-patients-requesting-dental-implants-before-and-after-implant
#5
Naser Sargozaie, Amir Moeintaghavi, Hamid Shojaie
Background and Objectives: Tooth loss is a serious life event that impairs two important functions, namely, eating and speaking, and has significant side effects on different aspects of quality of life. These effects are internalized by the individual. The present study aimed to compare the quality of life (QOL) of patients requesting dental implants before and after implant. Materials and Methods: This analytical cross-sectional study was conducted on patients referred to the Mashhad faculty of Dentistry and private clinics with dental implants in 2015...
2017: Open Dentistry Journal
https://www.readbyqxmd.com/read/29112907/impact-of-annual-bone-loss-and-different-bone-quality-on-dental-implant-success-a-finite-element-study
#6
Igor Linetskiy, Vladyslav Demenko, Larysa Linetska, Oleg Yefremov
BACKGROUND: For dental implant success, experimentally established thresholds should limit bone stresses and strains. From these metrics, the ultimate functional load, which determines the implant load-carrying capacity, can be calculated. Obviously, its decrease due to bone loss shortens implant service life. A comparison of how bone loss affects the ultimate functional loads of various implants can provide the clinician with meaningful feedback concerning the suitability and longevity of implants...
September 22, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29103446/miniscrew-assisted-multidisciplinary-orthodontic-treatment-with-surgical-mandibular-advancement-and-genioplasty-in-a-brachyfacial-class-ii-patient-with-mandibular-asymmetry
#7
Vanessa Paredes-Gallardo, Verónica García-Sanz, Carlos Bellot-Arcís
This article describes the complex dental treatment of a 43-year-old man with skeletal Class II, mandibular asymmetry, severe brachyfacial pattern, Class II Division 2, canting of the occlusal plane, and an increased curve of Spee. To achieve optimal results, we adopted a multidisciplinary approach to treatment, involving periodontics, oral surgery, orthodontics, maxillofacial surgery, and prosthetics specialists. After periodontal treatment, miniscrews were placed to correct the occlusal plane canting and the excessive curve of Spee with orthodontic treatment...
November 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/29098257/-effects-of-oral-implant-prosthesis-in-patients-with-missing-teeth-and-influence-on-gingival-sulcus-tnf-%C3%AE-il-6-and-il-8
#8
Rong Luo, Jun Luo, Luo-Ying Xia
PURPOSE: To evaluate effects of oral implant prosthesis in patients with missing teeth and influence on gingival sulcus TNF-α, IL-6 and IL-8. METHODS: Ninety four cases with tooth missing from October 2014 to October 2016 were divided into 2 groups, with 47 in each group. Patients in the control group were treated with conventional restoration, experimental group were treated with oral implantation. The clinical effects, levels of TNF-α, IL-6 and IL-8, gingival state, dental functions, and complications between the two groups were compared...
June 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/29091015/patient-reported-and-clinical-outcomes-of-implant-supported-fixed-complete-dental-prostheses-a-comparison-of-metal-acrylic-milled-zirconia-and-retrievable-crown-prostheses
#9
Virginia Lea Hogsett Box, Cortino Sukotjo, Kent L Knoernschild, Stephen D Campbell, Fatemeh S Afshari
The purpose of this retrospective study was to assess the incidence of biologic and technical complications for implant-supported fixed complete dental prostheses (IFCDPs) and their relationship to oral health-related quality of life (OHQoL) and patient-reported outcomes. Metal-acrylic (MA), retrievable crown (RC), monolithic zirconia (MZ), and porcelain veneered zirconia (PVZ) prostheses were included. Patients who received an IFCDP at least one year prior to recall were identified. Exclusion criteria were: (1) an opposing complete denture and (2) time in service >70 months...
November 1, 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/29090251/prognosis-following-dental-implant-treatment-under-general-anesthesia-in-patients-with-special-needs
#10
Il-Hyung Kim, Tae Seong Kuk, Sang Yoon Park, Yong-Suk Choi, Hyun Jeong Kim, Kwang-Suk Seo
BACKGROUND: This study retrospectively investigated outcomes following dental implantation in patients with special needs who required general anesthesia to enable treatment. METHODS: Patients underwent implant treatment under general anesthesia at the Clinic for the Disabled in Seoul National University Dental Hospital between January 2004 and June 2017. The study analyzed medical records and radiographs. Implant survival rates were calculated by applying criteria for success or failure...
September 2017: J Dent Anesth Pain Med
https://www.readbyqxmd.com/read/29084301/masticatory-performance-and-maximum-bite-and-lip-force-depend-on-the-type-of-prosthesis
#11
Martin Schimmel, Kujtim Memedi, Tatiana Parga, Joannis Katsoulis, Frauke Müller
PURPOSE: The aim of this cross-sectional study was to assess maximum restraining lip force (MLF), maximum voluntary bite force (MBF), and patient-related parameters to evaluate their influence on masticatory function in four groups of participants with different dental states. METHODS: Participants were recruited and assigned to one of four different groups depending on dental status: complete removable dental prostheses (CRDP group); edentulous with two-implant overdentures (IOD group); Kennedy Class I partial removable dental prostheses (PRDP group); or fully dentate (control group)...
November 2017: International Journal of Prosthodontics
https://www.readbyqxmd.com/read/29079267/dental-implants-the-last-100%C3%A2-years
#12
Michael S Block
The present article on the history of dental implants spans beyond the past 100 years of the American Association of Oral and Maxillofacial Surgeons. It was not until the materials and methods became less traumatic to the bone that implants could become firmly attached to the surrounding bone. This phenomenon is now used to replace single and multiple teeth and restore the patient to function and well-being. Many of the methods used to increase denture function are still used with modifications to augment the environment for an implant...
October 13, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29077686/accessory-mental-foramen-and-maxillofacial-surgery
#13
Amin Rahpeyma, Saeedeh Khajehahmadi
Accessory mental foramens should be considered in surgical procedures performed in mandibular body and symphysis. Location and content of these foramina has significant impact on the result of surgery.Lip numbness is the catastrophic result if these foramina are violated while their content is nerves that carry sensory inputs from lower lip. Examples of interferences with dental implant, orthognathic, and periapical surgeries are presented and it is discussed in which conditions they complicate oral surgical procedures...
October 26, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29071028/successful-use-of-lower-level-laser-therapy-in-the-treatment-of-medication-related-osteonecrosis-of-the-jaw
#14
Gustavo Antonio Correa Momesso, Fábio Roberto de Souza Batista, Cecília Alves de Sousa, Valthierre Nunes de Lima, Tárik Ocon Braga Polo, Jaqueline Suemi Hassumi, Idelmo Rangel Garcia Júnior, Leonardo Perez Faverani
Case Presentation: This study aimed to report a case of medication related osteonecrosis of the jaw (MRONJ) of a 65-year-old female patient referred to the Oral and Maxillofacial Surgery team from Araçatuba Dental School, complaining about mobility of a previously dental implant placed on the posterior maxillary region. Clinical examination revealed an extensive necrosis area around the implant region. The patient reported bisphosphonate therapy with sodium alendronate for prevention of osteoporosis 5 years ago...
2017: Journal of Lasers in Medical Sciences
https://www.readbyqxmd.com/read/29060278/a-study-on-setting-of-the-fatigue-limit-of-temporary-dental-implants
#15
M H Kim, E J Cho, J W Lee, E K Kim, S H Yoo, C W Park
A temporary dental implant is a medical device which is temporarily used to support a prosthesis such as an artificial tooth used for restoring patient's masticatory function during implant treatment. It is implanted in the oral cavity to substitute for the role of tooth. Due to the aging and westernization of current Korean society, the number of tooth extraction and implantation procedures is increasing, leading to an increase in the use and development of temporary dental implants. Because an implant performs a masticatory function in place of a tooth, a dynamic load is repeatedly put on the implant...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29057714/dose-dependent-effect-of-radiation-on-resorbable-blast-material-titanium-implants-an-experimental-study-in-rabbits
#16
Gülnihal Emrem Doğan, Zekai Halici, Emre Karakus, Burak Erdemci, Akgün Alsaran, Irfan Cinar
BACKGROUND: Radiotherapy is a commonly used treatment modality in head and neck cancer; however, it also negatively affects healthy structures. Direct damage to oral soft and hard tissue frequently occurs with radiotherapy. In this study, we aimed to evaluate the effect of radiotherapy on bone surrounding titanium dental implants via biomechanical and molecular methods. MATERIALS AND METHODS: Fifty-four implants were inserted in the left tibiae of 18 adult male New Zealand rabbits (3 implants in each rabbit)...
October 23, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/29053645/comparison-of-peri-implant-bone-loss-between-conventional-drilling-with-irrigation-versus-low-speed-drilling-without-irrigation
#17
H Pellicer-Chover, D Peñarrocha-Oltra, A Aloy-Prosper, J-C Sanchis-Gonzalez, M-A Peñarrocha-Diago, M Peñarrocha-Diago
BACKGROUND: To compare the technique of high speed drilling with irrigation and low speed drilling without irrigation in order to evaluate the success rate and peri-implant bone loss at 12 months of follow-up. MATERIAL AND METHODS: A randomized, controlled, parallel-group clinical trial was carried out in patients requiring dental implants to rehabilitate their unitary edentulism. Patients were recruited from the Oral Surgery Unit of the University of Valencia (Spain) between September 2014 and August 2015...
November 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29033526/complexity-of-comprehensive-care-treatments-in-undergraduate-dental-programs-the-benefits-of-observing-and-assisting-experienced-faculty-members
#18
Moataz Elgezawi, Khalid Hassan, Adel Alagl, Ahmad M Al-Thobity, Basel Al-Mutairi, Thamir Al-Houtan, Shazia Sadaf
OBJECTIVE: To improve the confidence of the final year dental students in completing occlusal and oral rehabilitation of patients, with complexities beyond their scope, based on full analysis of the biomechanical and esthetic considerations of each case. MATERIAL & METHODS: Two comprehensive patient situations presenting with special difficulties including extensive, reduced vertical dimension of occlusion, limited interocclusal space and maxillary alveolar bone for implant insertion necessitating bone augmentation and a sinus lift surgery was managed by two students at our institute...
October 2017: Saudi Dental Journal
https://www.readbyqxmd.com/read/29024920/chitosan-hydroxyapatite-ha-hydroxypropylmethyl-cellulose-hpmc-spongy-scaffolds-synthesis-and-evaluation-as-potential-alveolar-bone-substitutes
#19
Haffsah Iqbal, Moazzam Ali, Rabia Zeeshan, Zeeshan Mutahir, Farasat Iqbal, Muhammad Azhar Hayat Nawaz, Lubna Shahzadi, Aqif Anwar Chaudhry, Muhammad Yar, Shifang Luan, Ather Farooq Khan, Ihtesham-Ur Rehman
Alveolar bone loss is associated with infections and its augmentation is a pre-requisite for the success of dental implants. In present study, we aim to develop and evaluate novel freeze dried doxycycline loaded chitosan (CS)/hydroxyapatite (HA) spongy scaffolds where hydroxypropylmethyl cellulose (HPMC) was added as a crosslinker. Scaffolds displayed compressive strength of 14MPa/cm(3) and 0.34 as elastic response. The interconnected pore diameter was 41-273μm, favorably provided the template supporting cells and transport...
October 4, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29022215/effectiveness-of-a-new-dental-implant-bioactive-surface-histological-and-histomorphometric-comparative-study-in-minipigs
#20
Mariano Herrero-Climent, Manuel M Romero Ruizª, Pedro Lázaro Calvo, José Vicente Ríos Santos, Roman A Perez, Francisco Javier Gil Mur
OBJECTIVES: The objective of this study was to assess, by histomorphometric analysis, the degree of bone apposition on two types of dental implant's surfaces: a novel implant that combines Al2O3 abrasive particle blasting with thermochemical treatment (ContacTi), compared to a standard surface treatment obtained by sandblasting and acid etching (shot blasting). MATERIALS AND METHODS: Twelve minipigs were used, placing the studied implants in the maxillae, and divided into three groups according to the time of sacrifice: 2, 4, and 8 weeks after implant placement...
October 12, 2017: Clinical Oral Investigations
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