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Oral dental implants

Chang-Hun Han, Kwang-Bum Park, Francesco Guido Mangano
OBJECTIVE: In the anterior regions, the resorption of the buccal bone after tooth extraction leads to a contraction of the overlying soft tissues, resulting in an esthetic problem, particularly with immediate implant placement. In the socket shield technique, the buccal root section of the tooth is maintained, to preserve the buccal bone for immediate implant placement. The aim of this prospective study was to investigate the survival, stability, and complication rates of implants placed using a "modified" socket shield technique...
March 20, 2018: Journal of Craniofacial Surgery
Subhashree Priyadarsini, Sumit Mukherjee, Monalisa Mishra
Nanotechnology is widely used in our day to day life including its use in medicine. Using nanotechnology, it is easy to analyze and manipulate atoms, chemical bonds and molecules present between various compounds. Nanotechnology is used in the dental field as nano dentistry. While choosing the nanoparticle for the use in the field of nano dentistry its chemical, physical, along with the biological aspect of nanostructures are taken into account. Often various atoms or molecules are added to form the functional structure...
January 2018: Journal of Oral Biology and Craniofacial Research
Fabio Rodríguez Sánchez, Carlos Rodríguez Andrés, Iciar Arteagoitia
OBJECTIVE: To assess which antibiotic regimen prevents dental implant failures or postoperative infections following dental implant placement. MATERIALS AND METHODS: Systematic review and meta-analysis. DATA SOURCES: Pubmed, Cochrane, Science Direct, and EMBASE via OVID were searched up to August 2017. Only randomized controlled clinical trials (RCT) using antibiotics were included. Outcome measures were set on dental implant failures or postoperative infection incidence after dental implant surgery...
February 26, 2018: Journal of Cranio-maxillo-facial Surgery
K Waskiewicz, O Oth, N Kochan, L Evrard
INTRODUCTION: Vitamin D deficiency is widespread throughout the world. Vitamin D has an important role in the regulation of phosphocalcic metabolism as well as in a large number of biological and metabolic processes. According to some studies, there is a correlation between vitamin D and LDL-cholesterol levels. A deficiency of vitamin D and / or a high level of LDL-cholesterol could represent risk factors for bone healing and osteointegration of dental implants. The purpose of our study is to demonstrate the reality of the problem of deficiency or deprivation in vitamin D in a population of patients requiring oral and / or implant surgery...
February 23, 2018: Revue Médicale de Bruxelles
Renzo Guarnieri, Maurizio Grande, Francesco Zuffetti, Tiziano Testori
PURPOSE: To retrospectively evaluate the incidence of peri-implant mucositis and peri-implantitis around dental implants with the same body design and surface but different collar surface (laser-microgrooved vs not laser-microgrooved) after 5 years of loading in private practice patients. MATERIALS AND METHODS: The study was carried out on patients at a private dental clinic enrolled in a periodontal maintenance program, who received at least one implant with a laser-microgrooved collar surface and one implant without a laser-microgrooved collar surface...
March 2018: International Journal of Oral & Maxillofacial Implants
Pedro C Aravena, Camila P Oyarzún, María F Arias, Héctor Monardes, Alejandro Jerez, Bruna Benso
PURPOSE: The use of antibiotic prophylaxis in dental implant surgery is a routine dental practice to prevent implant failure. Current systematic reviews have yet to confirm the effectiveness of antibiotic treatment at reducing postoperative infection rates in implant procedures. The aim of this study was to quantify amoxicillin plasma levels at the peripheral venous blood and at the surgical implant site in patients undergoing dental treatment. MATERIALS AND METHODS: A prospective study was conducted...
March 2018: International Journal of Oral & Maxillofacial Implants
Zeev Ormianer, Jonathan Block, Shlomo Matalon, Jerry Kohen
PURPOSE: The objective of this study was to assess whether long-term implant survival rates and bone loss in patients with moderately controlled type 2 diabetes is similar to the rates reported in the nondiabetic population. MATERIALS AND METHODS: This retrospective observational study utilized patient medical records from a general practitioner's dental office. The records of patients who had moderately controlled type 2 diabetes with hemoglobin A1C (HbA1c) up to 8% and glucose level below 150 mg/dL were reviewed, as patients with HbA1c up to 7% are considered to be well-controlled type 2 diabetes...
March 2018: International Journal of Oral & Maxillofacial Implants
P J Asikainen, A M Kullaa, A Koistinen, E A J M Schulten, C M Ten Bruggenkate
The treatment of oral cancer usually consists of surgical removal of the tumour, possibly followed by radiotherapy. The purpose of this dissertation research was to investigate the effects of radiotherapy on the oral tissues, in particular the superficially positioned epithelial cells in the oral mucosa. Earlier studies with electron microscopy revealed that unradiated oral mucosa cells, when observed at high magnification, contain microplicae (ridges or folds). Together with various saliva components, these microplicae form a protective layer that offers defence against, for instance, microorganisms...
March 2018: Nederlands Tijdschrift Voor Tandheelkunde
Y Klazen, F Van der Cruyssen, M Vranckx, M Van Vlierberghe, C Politis, T Renton, R Jacobs
With the growing demand for dental work, trigeminal nerve injuries are increasingly common. This retrospective cohort study examined 53 cases of iatrogenic trigeminal nerve injury seen at the Department of Oral and Maxillofacial Surgery, University Hospitals of Leuven between 2013 and 2014 (0.6% among 8845 new patient visits). Patient records were screened for post-traumatic trigeminal nerve neuropathy caused by nerve injury incurred during implant surgery, endodontic treatment, local anaesthesia, tooth extraction, or specifically third molar removal...
March 6, 2018: International Journal of Oral and Maxillofacial Surgery
Craig L Sikora, Maria F Alfaro, Judy Chia-Chun Yuan, Valentim A Barao, Cortino Sukotjo, Mathew T Mathew
PURPOSE: Dental implants have been shown to have predictable success, but esthetic complications often arise. To reduce tissue shadowing from titanium, zirconia abutments may be used; however, the literature suggests that the use of zirconia leads to greater destruction of the implant interface that may result in biological complications such as titanium tattoos and heavy metal toxicity. Previous studies have examined the mechanical aspects of this implant/abutment relationship, but they have not accounted for the corrosive degradation that also takes place in the dynamic environment of the oral cavity...
March 9, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
Alan B Carr, Venkata S Revuru, Christine M Lohse
PURPOSE: The probability of achieving important clinical outcomes is an increasingly important factor for patients considering various treatment options for tooth loss. For oral reconstruction involving dental implants, the patient-specific risks of implant failure may be influenced by the patient's medication profile. The purpose of this study was to identify associations between dental implant failure and medication use in a consecutive series of patients seen from October 1983 through December 2014 at the Department of Dental Specialties, Mayo Clinic (Rochester, Minnesota)...
March 5, 2018: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
E Anitua, L Piñas, V Escuer-Artero, R S Fernández, M H Alkhraisat
Oral lichen planus is associated with the Koebner phenomenon, and trauma may exacerbate oral lesions. Short dental implants, as alternatives to bony augmentation, would reduce the number of interventions and their morbidity. However, we know of no studies that have analysed the long-term outcomes of short implants in patients with oral lichen planus. We have therefore designed a retrospective study of such patients treated with short implants (≤8.5mm long), with survival of implants as the main outcome. The secondary outcomes were marginal bone loss and the development of complications...
March 1, 2018: British Journal of Oral & Maxillofacial Surgery
Rongyao Xu, Guanghui Shi, Ling Xu, Qinyi Gu, Yu Fu, Ping Zhang, Jie Cheng, Hongbing Jiang
Dental implants have become a widely accepted and successful treatment for fully and partially edentulous patients. Simvastatin has been applied to improve and accelerate the osseointegration of implants by increasing the quantity and quality of bone tissue. However, its potential mechanism has not been elucidated completely. Here, we found that simvastatin significantly enhanced the autophagy level of jaw-derived bone marrow stromal cells (BMSCs) and alleviated production of reactive oxygen species under unfavourable conditions...
March 2, 2018: Journal of Tissue Engineering and Regenerative Medicine
Mathilde Fénelon, Sabine Castet, Jean-Christophe Fricain, Sylvain Catros
Introduction: Von Willebrand Disease is the most common inherited bleeding disorder. In the general population, 1/8000 patients are affected. Primary hemostasis (platelet adhesion) and coagulation (protection of Factor VIII) are altered. Among several bleeding symptoms, these patients suffer from excessive bleeding of oral mucosa and dental management requires a close collaboration between haematologists and oral surgeons. Materials & Methods: Guided implant surgery can be used to increase the accuracy of implant placement and to reduce the overall morbidity of this surgical procedure by using a flapless surgery technique...
2018: Open Dentistry Journal
Mariane Beatriz Sordi, Thaís Altoé Moreira, Juan Felipe Dumes Montero, Luis Cláudio Barbosa, César Augusto Magalhães Benfatti, Ricardo de Souza Magini, Andréa de Lima Pimenta, Júlio César Matias de Souza
Considering oral diseases, antibiofilm compounds can decrease the accumulation of pathogenic species such as Streptococcus mutans at micro-areas of teeth, dental restorations or implant-supported prostheses. OBJECTIVE: To assess the effect of thirteen different novel lactam-based compounds on the inhibition of S. mutans biofilm formation. MATERIAL AND METHODS: We synthesized compounds based on γ-lactones analogues from rubrolides by a mucochloric acid process and converted them into their corresponding γ-hydroxy-γ-lactams by a reaction with isobutylamine and propylamine...
2018: Journal of Applied Oral Science: Revista FOB
Lorenzo Bevilacqua, Annalisa Milan, Veronica Del Lupo, Michele Maglione, Lucilla Dolzani
Microbial biofilms developed on dental implants play a major role in perimplantitis' pathogenesis. Many studies have indicated that surface roughness is the main feature favoring biofilm development in vitro, but its actual influence in vivo has still to be confirmed. In this study, the amount of biofilm formed on differently treated titanium surfaces, showing distinct roughness, has been examined both in vivo and in vitro by Confocal Laser Scanning Microscopy. In vitro studies availed of biofilm developed by Pseudomonas aeruginosa or by salivary bacteria from volunteer donors...
February 27, 2018: Current Microbiology
Hiroki Takata, Futoshi Komine, Junichi Honda, Markus B Blatz, Hideo Matsumura
OBJECTIVES: The purpose of this in vitro study was to evaluate fracture loads of implant-supported zirconia-based prostheses fabricated with different veneer materials (resin-based material and lithium disilicate ceramics). MATERIAL AND METHODS: Forty-four zirconia-based molar prostheses were fabricated on dental implants and divided into four groups (n = 11): zirconia-based prostheses veneered with feldspathic porcelain (ZVF), zirconia-based prostheses bonded with the lithium disilicate glass-ceramic veneer (ZBD), zirconia-based prostheses veneered with indirect composite resin (ZVC), and zirconia-based prostheses bonded with composite materials fabricated from a CAD/CAM resin block (ZBC)...
February 27, 2018: Clinical Oral Implants Research
A Vissink, Fkl Spijkervet, G M Raghoebar
In healthy subjects, dental implants have evolved to be a common therapy to solve problems related to stability and retention of dentures as well as to replace failing teeth. Although dental implants are applied in medically compromised patients, it is often not well known whether this therapy is also feasible in these patients, whether the risk of implant failure and developing peri-implantitis is increased, and what specific preventive measures, if any, have to be taken when applying dental implants in these patients...
March 2018: Oral Diseases
Badr Al-Jandan, Hesham F Marei, Hatem Abuohashish, Osama Zakaria, Haytham Al-Mahalawy
Targeted chemotherapies are novel therapeutic approaches for many malignancies. In contrast to conventional chemotherapies, which are given for a predetermined duration, treatment with targeted chemotherapies like sunitinib is routinely continuous over longer periods, sometimes years. During this prolonged treatment period, patients may need to restore their missing teeth with dental implants. The aim of this study was to examine the effect of the anti-angiogenic substance sunitinib targeted chemotherapy on the osseointegration of titanium implants in a rabbit model...
February 19, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Ho-Beom Kwon, Young-Seok Park, Jung-Suk Han
Augmentation reality technology offers virtual information in addition to that of the real environment and thus opens new possibilities in various fields. The medical applications of augmentation reality are generally concentrated on surgery types, including neurosurgery, laparoscopic surgery and plastic surgery. Augmentation reality technology is also widely used in medical education and training. In dentistry, oral and maxillofacial surgery is the primary area of use, where dental implant placement and orthognathic surgery are the most frequent applications...
February 21, 2018: Acta Odontologica Scandinavica
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