Document Detail

Atherogenic cholesterol-rich diet and periodontal disease.
MedLine Citation:
PMID:  24769219     Owner:  NLM     Status:  Publisher    
OBJECTIVE: This study investigated the effect of an atherogenic cholesterol-rich diet (AT) on the alveolar bone loss in rats with ligature-induced experimental periodontitis (EP).
METHODS: Female Wistar adult rats were assigned either a control (Co) or an AT diet fed for 9 weeks. The AT diet was high in saturated fat, cholesterol and energy. At week 2, animals were subjected to a unilateral ligature (L) around the left first molar (Co+L and AT+L). The contra lateral first right molar (not ligated) of both groups (Co and AT) were used as untreated controls. At week 9, blood was drawn, rats were euthanized, hemi-mandibles removed and stained digital photographs (buccal and lingual surfaces) and radiographs were obtained for quantification of alveolar bone loss (ABL). The ABL was determined by distance and area methods (mm(2)) and X-rays were used for periodontal bone support (PBS), (%).
RESULTS: Rats in the AT group exhibited a 17% increase in energy intake, gained significant body weight and showed the highest serum total-cholesterol (T-C) and non-high density lipoprotein-cholesterol (HDL-C) levels (p<0.001). The amount of lost periodontal bone was the greatest in AT+L rats. AT feedings significantly increased the buccal area and distance of bone loss when compared with the unligated-teeth (p<0.001). The rats in the AT+L group also achieved the lowest percentage of PBS (p<0.001). The AT and Co+L rats showed similar PBS. This method more clearly elucidated the effect of the cholesterol-rich AT, with and without the influence of molar ligature, compared to the morphometric analysis.
CONCLUSION: The alveolar bone loss of EP was magnified by ingestion of an atherogenic diet high in saturated fatty acids and cholesterol.
Elisa Macri; Fima Lifshitz; Cecilia Ramos; Ricardo Orzuza; Osvaldo Costa; Valeria Zago; Patricia Boyer; Silvia Friedman
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-4-2
Journal Detail:
Title:  Archives of oral biology     Volume:  59     ISSN:  1879-1506     ISO Abbreviation:  Arch. Oral Biol.     Publication Date:  2014 Apr 
Date Detail:
Created Date:  2014-4-28     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0116711     Medline TA:  Arch Oral Biol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  679-686     Citation Subset:  -    
Copyright Information:
Copyright © 2014 Elsevier Ltd. All rights reserved.
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