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Teeth implants

Jonas Lorenz, Mike Barbeck, Charles James Kirkpatrick, Robert Sader, Henriette Lerner, Shahram Ghanaati
PURPOSE: In this prospective study, the regenerative potential and pathways of a new injectable bone substitute (IBS) material composed of beta-tricalcium phosphate (β-TCP) and hyaluronan were investigated for its application in alveolar bone regeneration within extraction sockets. MATERIALS AND METHODS: The bone substitute material was implanted in 44 extraction sockets after removal of teeth not worth preserving in the maxillary and mandibular arches of 21 patients...
March 15, 2018: International Journal of Oral & Maxillofacial Implants
Huseyin Burak Kutlu, Samir Goyushov, Bünyamin Calisan, Tolga F Tözüm
OBJECTIVE: Loss of teeth frequently results in compound horizontal and vertical alveolar bone defects. An appropriate bone structure is the key for implant placement and bony support of soft tissues. Advanced bone augmentation techniques are required for the reconstruction of these defects. This report will present a new bone block grafting technique with 12-month follow-up. METHOD: The seedling technique was used to augment the alveolar bone 3-dimensionally with autologous bone block and an osseointegrated implant in a 2-stage procedure...
March 13, 2018: Journal of Craniofacial Surgery
David Anssari Moin, Bassam Hassan, Daniel Wismeijer
PURPOSE: To evaluate the feasibility of a commercially available immediate root analog implant system Replicate (Natural Dental Implants). MATERIALS AND METHODS: Five consecutive patients in need of an implant in the premolar region were recruited for this pilot study. Following clinical examination, a cone beam computed tomography scan was made and the dental impressions digitized. On the basis of the superimposition of these datasets, a three-dimensional (3D) envelope was created for the selected tooth...
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
Thomas Hanser, Romain Doliveux
PURPOSE: The aim of this randomized prospective split-mouth clinical trial was to evaluate the outcome of bone block harvesting from the retromolar region using the MicroSaw and Piezosurgery. MATERIALS AND METHODS: Fifty-three patients for extensive bilateral bone grafting procedures with or without concomitant implant placement in the maxilla and/or mandible were scheduled. In each patient, bone blocks were harvested in the retromolar area within the external oblique ridge of the mandible...
March 2018: International Journal of Oral & Maxillofacial Implants
Dominik Gross, Karin Gross, Mathias Schmidt
Dental implantology is one of the most attractive and dynamic fields of work within clinical dentistry. It provides many patients with new and improved opportunities for stable (implant-supported) rehabilitation and also offers dentists a field that is interesting in both technical and economic terms. Adverse clinical outcomes are, however, often the subject of discussion. These relate both to prosthetic failure and to biologic complications and side effects, namely persistent infections surrounding implants...
March 12, 2018: Quintessence International
Ryan L Wong, Sarah Hiyari, Aline Yaghsezian, Mina Davar, Maísa Casarin, Yi-Ling Lin, Sotirios Tetradis, Paulo M Camargo, Flavia Q Pirih
BACKGROUND: Peri-implantitis is an inflammatory response to bacterial biofilm resulting in bone loss and can ultimately lead to implant failure. Due to the lack of predictable treatments available, a thorough understanding of peri-implantitis's pathogenesis is essential. The objective of this study is to evaluate and compare the response of acute induced peri-implantitis and periodontitis lesions after insult removal. METHODS: Implants were placed in one-month-old C57BL/6J male mice eight weeks post extraction of their left maxillary molars...
February 19, 2018: Journal of Periodontology
Ilonka Kreitschmann-Andermahr, Johannes Kohlmann, Bernadette Kleist, Ursula Hirschfelder, Rolf Buslei, Michael Buchfelder, Sonja Siegel
PURPOSE: Oro-dental pathologies (ODP) such as enlargement of the tongue, mandibular prognathism, and spaced teeth are characteristic features of acromegaly. Their frequency of occurrence during the course of the disease is largely unresolved. Purpose of this study was to assess ODP and oro-dental treatments in patients with acromegaly with regard to the length of the diagnostic process, tumor histology, and quality of life (QoL). METHODS: Single-center retrospective survey study using questionnaires on dental symptoms, diagnostic process, and treatment in patients with acromegaly operated on a growth hormone-secreting pituitary adenoma...
March 8, 2018: Endocrine
F Tirone, S Salzano, A Piattelli, V Perrotti, G Iezzi
OBJECTIVES: The aim of this study was to investigate for the first time the histological response of periodontium to mineral trioxide aggregate (MTA) and Biodentine in human experimental models. MATERIALS AND METHODS: Six patients scheduled for implant full-arch rehabilitation via the all-on-4 technique were randomly assigned to one of the two test groups: either to MTA or Biodentine treatment. For each patient, 2 teeth scheduled for strategic extraction were randomly assigned either to the test or to the control treatment...
March 6, 2018: Australian Dental Journal
Stella Yue Sun, Woon Chee Yeo, Andrew Ban Guan Tay, Donald Tiang Hwee Tan, Danny Ben Poon Tan
PURPOSE: Osteoodontokeratoprosthesis (OOKP) surgery is used to restore vision in end-stage corneal disorders, where an autogenous tooth supporting an optical cylinder is implanted through the cornea under a buccal mucosal graft. The ideal tooth for OOKP is a healthy single-rooted permanent tooth with sufficient buccolingual/palatal root diameter to accommodate an optical cylinder. The aim of this study was to determine the buccolingual/palatal diameters of canine and premolar roots in Chinese, for selection of teeth for OOKP surgery...
March 6, 2018: Asia-Pacific Journal of Ophthalmology
Giovanni Zucchelli, Sharma Praveen, Ilham Mounssif
Periodontal plastic surgery comprises an increasing part of clinical periodontology. Clinical trials have traditionally used professionals to judge esthetic outcome, and few studies have addressed patient needs and requests (true end points). Development of universally accepted and validated methods for professional esthetic assessment, together with standardized questionnaires for patient-perceived outcome, may help to provide better insights into the true needs and benefits of periodontal and implant-associated plastic surgery...
March 5, 2018: Periodontology 2000
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
Chunmiao Jiang, Yinghong Liu, Qian Cheng, Wei He, Shanbao Fang, Tingting Lan, Jun Wang
Patients with bimaxillary protrusion may have an unattractive profile with a retruded chin contour. Correction of the severely protrusive anterior alveolar bone and teeth combined with a moderate open bite without orthognathic surgery can be challenging. This case report describes the orthodontic treatment of a woman with severe bimaxillary protrusion and a moderate open bite. Excellent chin morphology and facial appearance were obtained with the extraction of 4 first premolars and 4 third molars, and total distalization of both arches with 4 mini-implants, one in each quadrant between the second premolar and the first molar...
March 2018: American Journal of Orthodontics and Dentofacial Orthopedics
Grace Chiu, Chris Chang, W Eugene Roberts
A 36-year-old woman with good periodontal health sought treatment for a compensated Class II partially edentulous malocclusion associated with a steep mandibular plane (SN-MP, 45°), 9 missing teeth, a 3-mm midline discrepancy, and compromised posterior occlusal function. She had multiple carious lesions, a failing fixed prostheses in the mandibular right quadrant replacing the right first molar, and a severely atrophic edentulous ridge in the area around the mandibular left first and second molars. After restoration of the caries, the mandibular left third molar served as anchorage to correct the mandibular arch crowding...
March 2018: American Journal of Orthodontics and Dentofacial Orthopedics
Martin Eckert, Danuta Mizgalska, Anton Sculean, Jan Potempa, Andreas Stavropoulos, Sigrun Eick
Porphyromonas gingivalis and Tannerella forsythia secrete proteases, gingipains and KLIKK-proteases. In addition, T. forsythia produces a serpin (miropin) with broad inhibitory spectrum. The aim of this pilot study was to determine the level of expression of miropin and individual proteases in vivo in periodontal and peri-implant health and disease conditions. Biofilm and gingival/peri-implant crevicular fluid (GCF or PISF respectively) samples from healthy tooth and implant sites (n=10), gingivitis and mucositis sites (n=12), and periodontitis and peri-implantitis sites (n=10)...
March 2, 2018: Molecular Oral Microbiology
Ronald E Jung, Lisa Heitz-Mayfield, Frank Schwarz
OBJECTIVES: Working Group 2 at the 2nd Consensus Meeting of the Osteology Foundation had a focus on the influence of vertical implant placement on papilla height at single implants adjacent to teeth and on the inter-implant mucosa fill at two adjacent implants in the anterior maxilla. MATERIALS AND METHODS: Two systematic reviews were prepared in advance of the consensus meeting. Due to the heterogeneity among the studies with regard to study design, study population, method of assessment, meta-analyses were not possible...
March 2018: Clinical Oral Implants Research
Mario Roccuzzo, Andrea Roccuzzo, Ausra Ramanuskaite
OBJECTIVES: The aim of this systematic review was to investigate the tooth-implant papilla formation in correlation with the distance between the interproximal bone level and the prosthetic contact point. MATERIAL AND METHODS: A comprehensive search of the current literature (01/01/2000-01/01/2017) was performed to identify human trials that included 10 patients or more, with at least 12 months follow-up, in need of the replacement of one single tooth in the anterior maxillary region with an implant-supported single crown...
March 2018: Clinical Oral Implants Research
Tatiana Miranda Deliberador, Gilmar José Begnini, Flávia Tomazinho, Carlos Eduardo Edwards Rezende, Fernando Luis Esteban Florez, Denise Piotto Leonardi
STATEMENT OF PROBLEM: Immediate placement and provisionalization of implants in fresh sockets has been previously demonstrated to be a predictable treatment in the restoration of non-recoverable teeth in the anterior regions of the maxilla. PURPOSE: This article reports a clinical case in which an immediate implant placement protocol was used in combination with two distinct and sequential grafts (bovine bone and connective tissue, respectively) followed by immediate implant provisionalization using the patient's crown of an extracted tooth...
March 2018: Compendium of Continuing Education in Dentistry
Alessandro Pozzi, Lorenzo Arcuri, Peter K Moy
The growing interest in minimally invasive implant placement and delivery of a prefabricated provisional prosthesis immediately, thus minimizing "time to teeth," has led to the development of numerous 3-dimensional (3D) planning software programs. Given the enhancements associated with fully digital workflows, such as better 3D soft-tissue visualization and virtual tooth rendering, computer-guided implant surgery and immediate function has become an effective and reliable procedure. This article describes how modern implant planning software programs provide a comprehensive digital platform that enables efficient interplay between the surgical and restorative aspects of implant treatment...
March 2018: Compendium of Continuing Education in Dentistry
Tassos Irinakis, Salwa Aldahlawi
Achieving symmetry of the soft-tissue margins between anterior maxillary dental-implant restorations and adjacent teeth is a therapeutic challenge for both the implant surgeon and the restorative dentist. This article describes a modified procedure utilizing autogenous connective-tissue grafts to improve primarily buccal soft-tissue margins and secondarily inter-proximal tissues around tooth-bound single dental implants. This technique has the advantage of allowing for coronal augmentation of the peri-implant soft tissue while maximizing the blood supply to the area by using tunneling-technique principles...
2018: Clinical, Cosmetic and Investigational Dentistry
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