ORAL HEALTH STATUS AND PERIODONTITIS IN ALZHEIMER'S DISEASE:A POPULATION-BASED, CASE-CONTROL STUDY FROM THE ZABUT AGING PROJECT

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Abstract

Aims. The aetiopathogenesis for Alzheimer's disease (AD) have not been defined, although inflammation within the brain is thought to play a role. Recent data suggest that peripheral infections contribute to the inflammatory state of central nervous system diseases, including cognitiveimpairment and dementia (1). Periodontitis (PD) is a prevalent, chronic infection involving the tissues supporting the teeth associated with gram negative, anaerobic bacteria capable of promoting local and systemic release of inflammatory mediators. Aim of the present study was to assess the oralhealth status and the prevalence/severity of PD in incident AD subjects evaluated during apopulation-based, 10-year follow-up study. Materials and Methods. 10-year follow-up data from the Zabùt Aging Project, a population-basedstudy on dementia and cognitive impairment conducted in a rural sicilian population were used forthe present case-control study. From the >1030 subjects evaluated at follow-up, 130 were subjectswith incident dementia according to DSM-IV criteria, and 38 were diagnosed with probable AD according to NINCDS-ADRDA criteria. Seventeen (44%) of the latter were totally edentulous andwere excluded from this study. Accordingly, the final sample included 21 cases (M: 9; F: 12, age-range 64-93 years) and 21 age- and sex- matched controls (M: 9; F:12; age-range 64-92years). To evaluate oral health status the Decayed Missed Filled Teeth (DMFT) scoring and measurement of the periodontal probing depth (using Community Periodontal Index –CPI and the Periodontal Screening and Recording Index -PSR) were recorded. The association between AD andoral health indexes was assessed using the χ2 test or t-test as appropriate. A p value ≤0.05 was.considered statistically significant.Results. DMFT average score was similar in AD (18.7±8.0) vs controls (19.2±7.8) (p=0.743). Contrarily, differences between cases and controls groups regarding periodontal status approached statistical significance; indeed, high PSR and CPI scores (>3, indicating moderate-severe PD) wererecorded in nearly 78% (n=16) of cases and 48% (n=10) of controls (p= 0.06).Discussion and Conclusions. In this rural Sicilian adult-to elderly community an overall poor oralhealth was frequent with a high DMFT score. The current data moderately support the hypothesis of a major prevalence and severity of PD among AD patients. To confirm these preliminary results we are currently recruiting a wider sample, including proteomic salivary profiles and RT PCR-basedmicrobiological investigation on sub-gingival plaque samples, in order to better clarify the role of PDand periodontal pathogens in the AD natural history.
Lingua originaleEnglish
Pagine174-174
Numero di pagine1
Stato di pubblicazionePublished - 2014

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Periodontitis
Oral Health
Health Status
Case-Control Studies
Alzheimer Disease
Tooth
Population
Dementia
Gram-Negative Anaerobic Bacteria
Periodontal Index
Central Nervous System Diseases
Rural Population
Encephalitis
Infection
Natural History
Diagnostic and Statistical Manual of Mental Disorders
Proteomics
Polymerase Chain Reaction
Control Groups
Health

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@conference{5a344a9990ad4e2782215ec53324ae61,
title = "ORAL HEALTH STATUS AND PERIODONTITIS IN ALZHEIMER'S DISEASE:A POPULATION-BASED, CASE-CONTROL STUDY FROM THE ZABUT AGING PROJECT",
abstract = "Aims. The aetiopathogenesis for Alzheimer's disease (AD) have not been defined, although inflammation within the brain is thought to play a role. Recent data suggest that peripheral infections contribute to the inflammatory state of central nervous system diseases, including cognitiveimpairment and dementia (1). Periodontitis (PD) is a prevalent, chronic infection involving the tissues supporting the teeth associated with gram negative, anaerobic bacteria capable of promoting local and systemic release of inflammatory mediators. Aim of the present study was to assess the oralhealth status and the prevalence/severity of PD in incident AD subjects evaluated during apopulation-based, 10-year follow-up study. Materials and Methods. 10-year follow-up data from the Zab{\~A}¹t Aging Project, a population-basedstudy on dementia and cognitive impairment conducted in a rural sicilian population were used forthe present case-control study. From the >1030 subjects evaluated at follow-up, 130 were subjectswith incident dementia according to DSM-IV criteria, and 38 were diagnosed with probable AD according to NINCDS-ADRDA criteria. Seventeen (44{\%}) of the latter were totally edentulous andwere excluded from this study. Accordingly, the final sample included 21 cases (M: 9; F: 12, age-range 64-93 years) and 21 age- and sex- matched controls (M: 9; F:12; age-range 64-92years). To evaluate oral health status the Decayed Missed Filled Teeth (DMFT) scoring and measurement of the periodontal probing depth (using Community Periodontal Index {\^a}€“CPI and the Periodontal Screening and Recording Index -PSR) were recorded. The association between AD andoral health indexes was assessed using the {\"I}‡2 test or t-test as appropriate. A p value {\^a}‰¤0.05 was.considered statistically significant.Results. DMFT average score was similar in AD (18.7{\^A}±8.0) vs controls (19.2{\^A}±7.8) (p=0.743). Contrarily, differences between cases and controls groups regarding periodontal status approached statistical significance; indeed, high PSR and CPI scores (>3, indicating moderate-severe PD) wererecorded in nearly 78{\%} (n=16) of cases and 48{\%} (n=10) of controls (p= 0.06).Discussion and Conclusions. In this rural Sicilian adult-to elderly community an overall poor oralhealth was frequent with a high DMFT score. The current data moderately support the hypothesis of a major prevalence and severity of PD among AD patients. To confirm these preliminary results we are currently recruiting a wider sample, including proteomic salivary profiles and RT PCR-basedmicrobiological investigation on sub-gingival plaque samples, in order to better clarify the role of PDand periodontal pathogens in the AD natural history.",
author = "Giuseppina Campisi and Roberto Monastero and Angela Aronica and Nicoletta Termine",
year = "2014",
language = "English",
pages = "174--174",

}

TY - CONF

T1 - ORAL HEALTH STATUS AND PERIODONTITIS IN ALZHEIMER'S DISEASE:A POPULATION-BASED, CASE-CONTROL STUDY FROM THE ZABUT AGING PROJECT

AU - Campisi, Giuseppina

AU - Monastero, Roberto

AU - Aronica, Angela

AU - Termine, Nicoletta

PY - 2014

Y1 - 2014

N2 - Aims. The aetiopathogenesis for Alzheimer's disease (AD) have not been defined, although inflammation within the brain is thought to play a role. Recent data suggest that peripheral infections contribute to the inflammatory state of central nervous system diseases, including cognitiveimpairment and dementia (1). Periodontitis (PD) is a prevalent, chronic infection involving the tissues supporting the teeth associated with gram negative, anaerobic bacteria capable of promoting local and systemic release of inflammatory mediators. Aim of the present study was to assess the oralhealth status and the prevalence/severity of PD in incident AD subjects evaluated during apopulation-based, 10-year follow-up study. Materials and Methods. 10-year follow-up data from the Zabùt Aging Project, a population-basedstudy on dementia and cognitive impairment conducted in a rural sicilian population were used forthe present case-control study. From the >1030 subjects evaluated at follow-up, 130 were subjectswith incident dementia according to DSM-IV criteria, and 38 were diagnosed with probable AD according to NINCDS-ADRDA criteria. Seventeen (44%) of the latter were totally edentulous andwere excluded from this study. Accordingly, the final sample included 21 cases (M: 9; F: 12, age-range 64-93 years) and 21 age- and sex- matched controls (M: 9; F:12; age-range 64-92years). To evaluate oral health status the Decayed Missed Filled Teeth (DMFT) scoring and measurement of the periodontal probing depth (using Community Periodontal Index –CPI and the Periodontal Screening and Recording Index -PSR) were recorded. The association between AD andoral health indexes was assessed using the χ2 test or t-test as appropriate. A p value ≤0.05 was.considered statistically significant.Results. DMFT average score was similar in AD (18.7±8.0) vs controls (19.2±7.8) (p=0.743). Contrarily, differences between cases and controls groups regarding periodontal status approached statistical significance; indeed, high PSR and CPI scores (>3, indicating moderate-severe PD) wererecorded in nearly 78% (n=16) of cases and 48% (n=10) of controls (p= 0.06).Discussion and Conclusions. In this rural Sicilian adult-to elderly community an overall poor oralhealth was frequent with a high DMFT score. The current data moderately support the hypothesis of a major prevalence and severity of PD among AD patients. To confirm these preliminary results we are currently recruiting a wider sample, including proteomic salivary profiles and RT PCR-basedmicrobiological investigation on sub-gingival plaque samples, in order to better clarify the role of PDand periodontal pathogens in the AD natural history.

AB - Aims. The aetiopathogenesis for Alzheimer's disease (AD) have not been defined, although inflammation within the brain is thought to play a role. Recent data suggest that peripheral infections contribute to the inflammatory state of central nervous system diseases, including cognitiveimpairment and dementia (1). Periodontitis (PD) is a prevalent, chronic infection involving the tissues supporting the teeth associated with gram negative, anaerobic bacteria capable of promoting local and systemic release of inflammatory mediators. Aim of the present study was to assess the oralhealth status and the prevalence/severity of PD in incident AD subjects evaluated during apopulation-based, 10-year follow-up study. Materials and Methods. 10-year follow-up data from the Zabùt Aging Project, a population-basedstudy on dementia and cognitive impairment conducted in a rural sicilian population were used forthe present case-control study. From the >1030 subjects evaluated at follow-up, 130 were subjectswith incident dementia according to DSM-IV criteria, and 38 were diagnosed with probable AD according to NINCDS-ADRDA criteria. Seventeen (44%) of the latter were totally edentulous andwere excluded from this study. Accordingly, the final sample included 21 cases (M: 9; F: 12, age-range 64-93 years) and 21 age- and sex- matched controls (M: 9; F:12; age-range 64-92years). To evaluate oral health status the Decayed Missed Filled Teeth (DMFT) scoring and measurement of the periodontal probing depth (using Community Periodontal Index –CPI and the Periodontal Screening and Recording Index -PSR) were recorded. The association between AD andoral health indexes was assessed using the χ2 test or t-test as appropriate. A p value ≤0.05 was.considered statistically significant.Results. DMFT average score was similar in AD (18.7±8.0) vs controls (19.2±7.8) (p=0.743). Contrarily, differences between cases and controls groups regarding periodontal status approached statistical significance; indeed, high PSR and CPI scores (>3, indicating moderate-severe PD) wererecorded in nearly 78% (n=16) of cases and 48% (n=10) of controls (p= 0.06).Discussion and Conclusions. In this rural Sicilian adult-to elderly community an overall poor oralhealth was frequent with a high DMFT score. The current data moderately support the hypothesis of a major prevalence and severity of PD among AD patients. To confirm these preliminary results we are currently recruiting a wider sample, including proteomic salivary profiles and RT PCR-basedmicrobiological investigation on sub-gingival plaque samples, in order to better clarify the role of PDand periodontal pathogens in the AD natural history.

UR - http://hdl.handle.net/10447/104632

M3 - Other

SP - 174

EP - 174

ER -