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George K Merijohn
Gingival recession is highly prevalent worldwide. It increases the risk for root caries and can interfere with patient comfort, function and esthetics. Progressive gingival recession also increases the risk of tooth loss secondary to clinical attachment loss. Although mitigating the causes of gingival recession decreases its incidence and severity, implementing practical management and prevention strategies in the clinical setting can be challenging. Identification of susceptible patients and evaluating them for the presence of modifiable risk exposures are essential first steps in developing action plans for appropriate interventions...
June 2016: Periodontology 2000
Xiao-Xiao Zhang, Jun-Yu Shi, Ying-Xin Gu, Hong-Chang Lai
BACKGROUND: There have been few studies investigating the long-term outcome of early-loaded implants with segmented bridgeworks on fully edentulous maxillae. PURPOSE: To evaluate the long-term predictability of early-loaded Straumann implant-supported fixed segmented bridgeworks in edentulous maxillae. MATERIAL AND METHODS: Ninety-one implants were placed in 12 patients with edentulous maxillae. After a healing period of 6 weeks, the abutments were tightened followed by cementing of fixed full-arch prostheses...
December 2016: Clinical Implant Dentistry and related Research
J F Santiago, V E de Souza Batista, F R Verri, H M Honório, C C de Mello, D A dF Almeida, E P Pellizzer
The aim of this study was to perform a systematic review and meta-analysis to evaluate the possible benefits of platform-switching (PSW) implants when compared to regular platform (RP) implants in the categories of bone preservation and longevity. This systematic review and meta-analysis was performed in accordance with the PRISMA statement, PICO question, and Jadad scale. The relative risk (RR) of failure and the mean difference for marginal bone loss were calculated considering a confidence interval (CI) of 95%...
March 2016: International Journal of Oral and Maxillofacial Surgery
Tomoki Maekawa, Ruel A Briones, Ranillo R G Resuello, Joel V Tuplano, Evlambia Hajishengallis, Tetsuhiro Kajikawa, Sophia Koutsogiannaki, Cristina A G Garcia, Daniel Ricklin, John D Lambris, George Hajishengallis
AIM: Human periodontitis is associated with overactivation of complement, which is triggered by different mechanisms converging on C3, the central hub of the system. We assessed whether the C3 inhibitor Cp40 inhibits naturally occurring periodontitis in non-human primates (NHPs). MATERIALS AND METHODS: Non-human primates with chronic periodontitis were intra-gingivally injected with Cp40 either once (5 animals) or three times (10 animals) weekly for 6 weeks followed by a 6-week follow-up period...
March 2016: Journal of Clinical Periodontology
J C de Vicente, I Peña, P Braña, G Hernández-Vallejo
A prospective study was conducted to assess a variation of inferior alveolar nerve (IAN) lateralization. This study included 13 patients. An osteotomy was made with a piezoelectric device, and the IAN bundle was moved buccally. Dental implants were then inserted medial to the nerve bundle, and the inner surface of the buccal cortical bone plate was shaped to reduce its thickness. Finally, the bone plate was repositioned to restore the original shape and contour of the mandible. Neurosensory examinations of the lower lip and chin were performed using three tests: light touch, pain, and two-point discrimination...
July 2016: International Journal of Oral and Maxillofacial Surgery
A Katharina Simon, Georg A Hollander, Andrew McMichael
This article reviews the development of the immune response through neonatal, infant and adult life, including pregnancy, ending with the decline in old age. A picture emerges of a child born with an immature, innate and adaptive immune system, which matures and acquires memory as he or she grows. It then goes into decline in old age. These changes are considered alongside the risks of different types of infection, autoimmune disease and malignancy.
December 22, 2015: Proceedings. Biological Sciences
Euloir Passanezi, Carla Andreotti Damante, Maria L Rubo de Rezende, Sebastião L Aguiar Greghi
About 50 years ago, lasers started to be used in periodontal treatment following evidence that wounds produced in animals healed more quickly after being irradiated with low-intensity lasers. Increased production of growth factors, stimulated mainly by red and infrared lasers, may participate in this process by influencing the behavior of various types of cells. High-intensity lasers have been used as an alternative to nonsurgical periodontal therapy in root biomodification and to reduce dentin hypersensivity; low-intensity lasers are frequently employed to improve tissue repair in regenerative procedures and in antimicrobial photodynamic therapy...
February 2015: Periodontology 2000
Patricio C Smith, Constanza Martínez, Mónica Cáceres, Jorge Martínez
Growth factors play critical roles in periodontal repair through the regulation of cell behavior. Many of the cell responses regulated by these proteins include cell adhesion, migration, proliferation and differentiation. Periodontal regeneration involves an organized response of different cells, tissues and growth factors implicated in the coordination of these events. However, periodontal tissue reconstruction is an extremely difficult task. Multiple studies have been performed to understand the specific role of growth factors in periodontal wound healing...
February 2015: Periodontology 2000
Francisco H Nociti, Marcio Z Casati, Poliana Mendes Duarte
This literature review provides an overview of the current scenario regarding the impact of smoking on the progression and treatment of periodontitis; clinical, microbiological and immunological data from studies from our and other groups are presented. In general, preclinical and clinical data are unanimous in demonstrating that smokers present increased susceptibility, greater severity and faster progression of periodontal disease compared with nonsmokers. The evidence further demonstrates that smokers lose more teeth and have a less favorable response to therapy than do nonsmokers...
February 2015: Periodontology 2000
Magda Feres, Luciene C Figueiredo, Geisla M Silva Soares, Marcelo Faveri
Despite the fact that several clinical studies have shown additional benefits when certain systemic antibiotics are used as adjuncts to periodontal treatment, clear guidelines for the use of these agents in the clinical practice are not yet available. Basic questions concerning the use of systemic antibiotics to treat periodontitis remain unanswered, such as: which drug(s) should be used; which patients would most benefit from treatment; which are the most effective protocols (i.e. doses and durations); and in which phase of the mechanical therapy should the drug(s) be administered? Although not all of those questions have been directly addressed by controlled randomized clinical trials, recent concepts related to the ecology of periodontal diseases, as well as the major advances in laboratory and clinical research methods that have occurred in the past decade, have significantly broadened our knowledge in this field...
February 2015: Periodontology 2000
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