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Brazilian Oral Research, Volume: 35 Suplemento 2, Publicado: 2021
  • Brazilian contribution to evidence-based periodontology Editorial

    RÖSING, Cassiano Kuchenbecker; ROMITO, Giuseppe Alexandre
  • New tendencies in non-surgical periodontal therapy Critical Review

    HAAS, Alex Nogueira; FURLANETO, Flavia; GAIO, Eduardo José; GOMES, Sabrina Carvalho; PALIOTO, Daniela Bazan; CASTILHO, Rogerio Moraes; SANZ, Mariano; MESSORA, Michel Reis

    Resumo em Inglês:

    Abstract The aim of this review was to update the evidence of new approaches to non-surgical therapy (NSPT) in the treatment of periodontitis. Preclinical and clinical studies addressing the benefits of adjunctive antimicrobial photodynamic therapy, probiotics, prebiotics/synbiotics, statins, pro-resolving mediators, omega-6 and -3, ozone, and epigenetic therapy were scrutinized and discussed. Currently, the outcomes of these nine new approaches, when compared with subgingival debridement alone, did not demonstrate a significant added clinical benefit. However, some of these new alternative interventions may have the potential to improve the outcomes of NSPT alone. Future evidence based on randomized controlled clinical trials would help clinicians and patients in the selection of different adjunctive therapies.
  • Rethinking the decision-making process to treat gingival recession associated with non-carious cervical lesions Critical Review

    SANTAMARIA, Mauro Pedrine; MATHIAS-SANTAMARIA, Ingrid Fernandes; FERRAZ, Laís Fernanda Ferreira; CASARIN, Renato Corrêa Viana; ROMITO, Giuseppe Alexandre; SALLUM, Enilson Antônio; PINI-PRATO, Giovan Paolo; CASATI, Márcio Zaffalon

    Resumo em Inglês:

    Abstract The presence of a tooth-surface defect, such as a non-carious cervical lesion (NCCL), associated with sites of gingival recession (GR) defects creates a combined soft tissue/tooth defect (CD) that requires a different treatment plan. This study aimed to critically review the literature regarding the available treatment protocols for CDs and suggest a new decision-making process. NCCLs were classified as Class A-: the cementoenamel junction (CEJ) was visible and the root surface discrepancy was < 0.5 mm (no step); Class A+: CEJ was visible and the root surface discrepancy was > 0.5 mm (with a step); Class B-: unidentifiable CEJ without a step; Class B+: unidentifiable CEJ with a step. NCCLs affecting both root and crown surfaces (Class B) lead to CEJ destruction and consequently eliminate an important landmark used before and after root coverage procedures. The depth of the root surface discrepancy is vital owing to its possible impact on soft tissue adaptation after healing, which, in turn, may influence the treatment options, namely the use of graft and/or composites to compensate for the discrepancy. Clinically, a step with horizontal depth greater than 0.5 mm should be recognized as the minimum threshold value to define this condition. Extremely deep defects tend to assume a V-shaped topography. Therefore, extremely deep V-shaped defects were classified into subclasses A+V, a V-shaped defect, and B+V, a V-shaped defect with loss of CEJ, for management considerations. The treatment options, supported by the literature, and a decision-making process to deal with each condition are presented.
  • Periodontal regeneration: is it still a goal in clinical periodontology? Critical Review

    CIRELLI, Joni Augusto; FIORINI, Tiago; MOREIRA, Carlos Heitor Cunha; MOLON, Rafael Scaf de; DUTRA, Tamires Pereira; SALLUM, Enílson Antonio

    Resumo em Inglês:

    Abstract In the last decades, Periodontal Regeneration has been one of the most discussed topics in Periodontics, attracting the attention of researchers and clinicians. This can be justified by the evident and continuous progress observed in the field, characterized by a better understanding of the biological mechanisms involved, significant improvement of operative and technical principles, and the emergence of a wide range of biomaterials available for this purpose. Together, these aspects put the theme much in evidence in the search for functional and esthetic therapeutic solutions for periodontal tissue destruction. Despite the evident evolution, periodontal regeneration may be challenging and require the clinician to carefully evaluate each case before making a therapeutic decision. With a critical reassessment of the clinical and preclinical literature, the present study aimed to discuss the topic to answer whether Periodontal Regeneration is still a goal in clinical periodontology. The main aspects involved in the probability of success or failure of regenerative approaches were considered. A greater focus was given to intrabony and furcation defects, clinical conditions with greater therapeutic predictability. Aspects such as more appropriate materials/approaches, long-term benefits and their justification for a higher initial cost were discussed for each condition. In general, deep intrabony defects associated with residual pockets and buccal/lingual class II furcation lesions have predictable and clinically relevant results. Careful selection of the case (based on patient and defect characteristics) and excellent maintenance are essential conditions to ensure initial and long-term success.
  • Periodontal diseases: is it possible to prevent them? A populational and individual approach Critical Review

    COTA, Luís Otávio Miranda; VILLAR, Cristina Cunha; VETTORE, Mario Vianna; CAMPOS, Julya Ribeiro; AMARAL, Guilherme Castro Lima Silva do; CORTELLI, José Roberto; CORTELLI, Sheila Cavalca

    Resumo em Inglês:

    Abstract Periodontal diseases are infectious inflammatory chronic diseases of a multifactorial nature. They are primarily caused by dysbiotic ecological changes in dental biofilm, which may be influenced by risk factors. The prevention of periodontal diseases may involve different strategies focused on reducing distal, intermediate, and proximal risk factors at both the population and individual levels. Effective prevention depends on interdisciplinary and common risk factor approaches. Also, patient-centered preventive models are more effective than professional-centered models in the management of periodontal diseases. Regular and periodic control of dental biofilm is an essential measure for the different levels of prevention of periodontal diseases. The effectiveness of periodontal disease prevention largely depends on positive modifications of behavior, knowledge, health literacy, patient empowerment, motivation, and compliance.
  • LASER in periodontal treatment: is it an effective treatment or science fiction? Critical Review

    THEODORO, Letícia Helena; MARCANTONIO, Rosemary Adriana Chiérici; WAINWRIGHT, Mark; GARCIA, Valdir Gouveia

    Resumo em Inglês:

    Abstract There are several studies that evaluate the use of lasers in periodontal treatment in non-surgical or surgical therapy. However, while several studies showed clinically beneficial effects of some lasers in periodontal treatment, there are few clinical reports of additional advantages of lasers as adjunctive treatments in periodontology. The aim of this paper is to demonstrate and critically analyze the level of scientific evidence of effects of low-level lasers and high-power lasers in periodontology. A narrative review of the studies was carried out in each topic and type of laser or periodontal treatment. In nonsurgical periodontal therapy the results showed that there is an additional clinical benefit when using a diode laser (DL) associated with scaling and root planing (SRP) in patients with moderate to severe periodontitis. The Er:YAG laser seems to be the most suitable for nonsurgical periodontal therapy and promotes the same clinical effects as conventional therapy. In periodontal surgery vaporization of the gingival or mucosal tissue can be carried out with DL, CO2, Nd:YAG, Er:YAG and Er,Cr:YSGG lasers. Photobiomodulation (PBM), mediated by low-level lasers associated with non-surgical periodontal therapy, promotes additional benefits in the short term and accelerates the bone and gingival tissue repair process and also reduces postoperative symptoms of periodontal surgery. The effect of antimicrobial Photodynamic Therapy is relevant in the initial reevaluation periods. Studies have shown controversial results of the use of lasers in periodontics, and this fact may be due to the lack of standard parameters of irradiation in each clinical application.
  • Randomized clinical trials in periodontology: focus on outcomes selection Critical Review

    PANNUTI, Claudio Mendes; COSTA, Fernando Oliveira; SOUZA, Nathalia Vilela; RETAMAL-VALDES, Belen; COSTA, Amanda Almeida; SUSIN, Cristiano; FERES, Magda

    Resumo em Inglês:

    Abstract Randomized clinical trials (RCTs) are human studies carried out to compare different treatments or interventions, and their results are used to support clinical decision-making and improve patient care. Herein, the aim of this study was to review the selection process of study outcomes in periodontology. Primary outcomes should draw the main conclusions of the study, whereas secondary outcomes should only be used to help explain the main findings and generate future research hypothesis. Outcomes are classified as clinically relevant (CROs) or surrogate outcomes. CROs – the first option for primary outcome variables - should convey not only substantial health benefits, but also be deemed important by patients. In periodontology, tooth loss/retention and oral health–related quality of life (OHRQoL) are examples of CROs. While tooth loss has main limitations as a primary outcome, emerging evidence suggest that patient-reported outcome measures (PROMs) can accurately detect OHRQoL following periodontal therapy. When CROs cannot be assessed, validated surrogate outcomes can be used as proxies. Primary outcome variables should reflect a treatment endpoint at the patient level that can be easily used to inform decision-making in daily practice. These outcomes should allow the implementation of a treat-to-target concept in which the intervention can be clearly judged against a prespecified treatment target. Recently, the presence of at most 4 sites with periodontal probing depth ≥5 mm post-treatment was suggested as an effective endpoint for periodontal trials. In perspective, a combination of validated clinical parameters and PROMs will provide a more comprehensive assessment of periodontal treatments.
  • Impact of tooth loss due to periodontal disease on the prognosis of rehabilitation Critical Review

    CIMÕES, Renata; PINHO, Roberto Carlos Mourao; GURGEL, Bruno César de Vasconcelos; BORGES, Samuel Batista; MARCANTONIO JÚNIOR, Elcio; MARCANTONIO, Camila Chierici; MELO, Marcelo Augusto Ruiz da Cunha; PIATTELLI, Adriano; SHIBLI, Jamil Awad

    Resumo em Inglês:

    Abstract When periodontal disease is diagnosed, it is difficult to predict the clinical response of treatment of a tooth over time because the result of treatment is affected by several factors and will depend on the maintenance and support of periodontal treatment. Rehabilitation with removable dental prostheses, fixed prostheses, and dental implants makes it possible to restore the function and esthetics of patients with tooth loss due to periodontal disease. The predictive factors of tooth loss in periodontitis patients should be assessed by dentists to inform their clinical decision-making during dental treatment planning. This will provide detailed individualized information and level of risk of patients considered suitable for dental rehabilitation. Therefore, the aim of this article was to review the subject of “Impact of tooth loss due to periodontal disease on the prognosis of rehabilitation” and the effect of fixed, removable, and implant-supported prostheses in periodontal patients.
  • What is the future of Periodontal Medicine? Critical Review

    FISCHER, Ricardo Guimarães; GOMES FILHO, Isaac Suzart; CRUZ, Simone Seixas da; OLIVEIRA, Victor Bento; LIRA-JUNIOR, Ronaldo; SCANNAPIECO, Frank Andrew; REGO, Rodrigo Otávio

    Resumo em Inglês:

    Abstract In the last five decades, considerable progress has been made towards understanding the etiology and pathogenesis of periodontal diseases and their interactions with the host. The impact of an individual periodontal condition on systemic homeostasis became more evident because of this knowledge and prompted advances in studies that associate periodontitis with systemic diseases and conditions. The term Periodontal Medicine describes how periodontal infection/inflammation can affect extraoral health. This review presents the current scientific evidence on the most investigated associations between periodontitis and systemic diseases and conditions, such as cardiovascular diseases, diabetes, preterm birth and low birth weight, and pneumonia. Additionally, other associations between periodontitis and chronic inflammatory bowel disease, colorectal cancer, and Alzheimer’s disease that were recently published and are still poorly studied were described. Thus, the aim of this review was to answer the following question: What is the future of Periodontal Medicine? Epidemiological evidence and the evidence of biological plausibility between periodontitis and general health reinforce the rationale that the study of Periodontal Medicine should continue to advance, along with improvements in the epidemiological method, highlighting the statistical power of the studies, the method for data analysis, the case definition of periodontitis, and the type of periodontal therapy to be applied in intervention studies.
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