Investigation of Alzheimer's Disease and Periodontal Status

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

90 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-03-02

Study Completion Date

2023-01-06

Brief Summary

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The aim of this study is to investigate the effect of the current periodontal status on the progression rate of AD.

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Detailed Description

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Although much is known about its pathogenesis, Alzheimer's disease (AD) is still a terminal disease. For this reason, the correct evaluation and treatment of the risk factors of the disease gains importance in the prevention of the disease. Chronic inflammation, such as periodontal disease, can speed up the onset and progression of AD. The study aimed to investigate the relationship between periodontal status and the rate of progression of dementia in individuals diagnosed with Alzheimer's disease.

In this study, 90 individuals with AD, who were classified as Stage I, Stage II, and Stage III according to the Clinical Dementia Rating Scale. Baseline and 6th month cognitive status assessments of participants who met the inclusion criteria were performed in the Department of Neurology using SMMT. At the 6th month control appointment in the Neurology Department, the participants were referred to the Periodontology Department for oral examinations.

In the Periodontology Department, dental anamnesis of the patients was taken and intraoral examinations were performed. Periodontal examination of all existing teeth of all participants with at least one remaining tooth (excluding third molars) with a Williams-marked periodontal probe (Hu-Friedy, Chicago, Illinois, USA) and all molars and maxillary first premolars with Nabers probe (PQ2N, Hu-Friedy, Chicago, Illinois, USA) was performed and records %P (plak percentage), %BOP (percentage bleeding on probing), CAL (clinical attachment level), PPD (probing pocket depth). The position of the gingival margin and PPD were measured at six sites/teeth (including/excluding third molars). The CAL was then calculated from these measurements. In 2017, periodontal status was determined according to the decisions of the World Workshop on Periodontal and Peri-implant Diseases and Classification of Conditions. The current occlusal relationship status of all patients was evaluated using the Eichner Index and classified as Type 1 (A1-A2-A3-B1) , Type 2 (B2-B3) and Type 3 (B4-C1-C2-C3).

Conditions

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Alzheimer Disease Periodontal Diseases

Study Design

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Observational Model Type

CASE_ONLY

Study Time Perspective

PROSPECTIVE

Study Groups

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Stage I

Stage I Alzheimer's Group (n=42): Individuals diagnosed with probable Alzheimer's disease with mild (early stage) dementia according to the Clinical Dementia Rating Scale.