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| Content Provider | frontiers |
|---|---|
| Author | Alvarenga, María Olimpia Paz Frazão, Deborah Ribeiro Matos, Isabella Gomes de Bittencourt, Leonardo Oliveira Fagundes, Nathália Carolina Fernandes Rösing, Cassiano Kuchenbecker Maia, Lucianne Cople Lima, Rafael Rodrigues |
| Abstract | Background: Neurodegenerative diseases are a group of progressive disorders that affect the central nervous system (CNS) such as Alzheimer's, Parkinson's, and multiple sclerosis. Inflammation plays a critical role in the onset and progression of these injuries. Periodontitis is considered an inflammatory disease caused by oral biofilms around the tooth-supporting tissues, leading to a systemic and chronic inflammatory condition. Thus, this systematic review aimed to search for evidence in the association between neurogenerative disorders and periodontitis. Methods: This systematic review was registered at Prospective International Registry of Systematic Reviews (PROSPERO) under the code CRD 42016038327. The search strategy was performed in three electronic databases and one grey literature source: PubMed, Scopus, Web of Science, and OpenGrey, based on the PECO acronym: observational studies in humans (P) in which a neurodegenerative disease was present (E) or absent (C) to observe an association with periodontitis (O). The Fowkes and Fulton's checklist was used to critically appraise the methodological quality and the risk of bias of individual studies. The quality of evidence was assessed by the Grading of Recommendation, Assessment, Development, and Evaluation (GRADE). Results: From 534 articles found, 12 were included, of which eight were case-control, three were cross-sectional, and one cohort, giving a total of 3460 participants. All the included studies reported an association between some neurodegenerative disease and periodontitis and presented a low risk of bias. According to the GRADE approach, the level of evidence of probing pocket depth was considered very low due to the significant heterogeneity across the studies upgrading imprecision and inconsistency. Conclusions: Although all the included studies in this review reported an association between neurodegenerative diseases and periodontitis, the level of evidence was classified to be very low which suggests a cautious interpretation of the results. |
| ISSN | 16634365 |
| DOI | 10.3389/fnagi.2021.651437 |
| Volume Number | 13 |
| Journal | Frontiers in Aging Neuroscience |
| Language | English |
| Publisher Date | 2021-05-24 |
| Access Restriction | Open |
| Subject Keyword | Neurodegenerative Diseases Parkinson's disease Systematic review Periodontitis Alzheimer's disease |
| Content Type | Text |
| Resource Type | Article |
| Subject | Aging Cognitive Neuroscience |
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