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CC BY-NC-ND 4.0 · Eur J Dent 2007; 01(01): 014-017
DOI: 10.1055/s-0039-1698305
Original Article
Dental Investigation Society

Changeability of Oral Cavity Environment

Anna Surdacka
a   Department of Conservative Dentistry & Periodontology
,
Krystyna Strzykała
b   Department of Clinical Analytics, Laboratory of Environmental Protection
,
Anna Rydzewska
c   Department of Biology and Environmental Protection, Poznañ University of Medical Sciences, Poznañ,Poland
› Author Affiliations
Further Information

Publication History

Publication Date:
27 September 2019 (online)

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ABSTRACT

Objectives: In dentistry, the results of in vivo studies on drugs, dental fillings or prostheses are routinely evaluated based on selected oral cavity environment parameters at specific time points. Such evaluation may be confounded by ongoing changes in the oral cavity environment induced by diet, drug use, stress and other factors. The study aimed to confirm oral cavity environment changeability.

Methods: 24 healthy individuals aged 20–30 had their oral cavity environment prepared by having professional hygiene procedures performed and caries lesions filled. Baseline examination and the examination two years afterwards, evaluated clinical and laboratory parameters of oral cavity environment. Caries incidence was determined based on DMFT and DMFS values, oral cavity hygiene on Plaque Index (acc. Silness & Löe) and Hygiene Index (acc. O`Leary), and the gingival status on Gingival Index (acc. Löe & Silness) and Gingival Bleeding Index (acc. Ainamo & Bay). Saliva osmolarity, pH and concentrations of Ca2+, Pi, Na+, Cl-, total protein, albumins, F- and Sr2+ were determined.

Results: The results confirmed ongoing changeability of the oral cavity environment. After 2 years of the study reduction in oral cavity hygiene parameters PLI and HI (P<0.1), and gingival indices as well as lower saliva concentration of Ca2+ (P<.001), Pi (P<.06), K+ (P<.04), Sr2+ (P<.03), Na+ (P<.1), against the baseline values, were observed. Total protein and albumin saliva concentrations were also significantly lower.

Conclusion: Physiological oral cavity environment is subject to constant, individually different, changes which should be considered when analysing studies that employ oral cavity environment parameters. (Eur J Dent 2007;1:14-17)

Key words

Dental caries - Dental plaque - Saliva inorganic and organic components
 

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