Influence of Freeze-Dried Diet on Oral Hygiene Indicators in Strict Isolation Condition of an Analog Space Mission

Analog space missions were created to study the human factor in extraordinary conditions that would occur in future space habitats. Isolation has been shown to cause stress and disrupt individuals' daily routine, which can also affect their oral hygiene and lead to an increased risk of dental c...

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Bibliographic Details
Published in:International journal of environmental research and public health 2022-01, Vol.19 (3), p.1367
Main Authors: Gronwald, Barbara Janina, Kijak, Karina, Jezierska, Karolina, Gronwald, Helena Anna, Kosko, Kamil, Matuszczak, Mikołaj, Bielawska-Victorini, Hanna Barbara, Podraza, Wojciech, Orzechowski, Leszek, Lietz-Kijak, Danuta
Format: Article
Language:English
Subjects:
Astronauts
Bacteria
Biofilms
Dehydration
Dental caries
Dental Caries - complications
Diet
Food preservation
Freeze drying
Fruits
Gingivitis
Humans
Hygiene
Indicators
Influence
Interdisciplinary aspects
Nutrient deficiency
Nutrition research
Oral Hygiene
Pandemics
Research centers
Saliva
Space habitats
Space missions
Statistical analysis
Vitamin A
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Summary:Analog space missions were created to study the human factor in extraordinary conditions that would occur in future space habitats. Isolation has been shown to cause stress and disrupt individuals' daily routine, which can also affect their oral hygiene and lead to an increased risk of dental caries and gingivitis. The astronauts' specific freeze-dried diet is associated with "lazy" chewing, potential dehydration and vitamin A deficiency, which may adversely affect their saliva. The aim of this study is to investigate the influence of the freeze-dried diet on selected oral hygiene indicators in analog astronauts (AA) enduring strict isolation conditions during six consecutive analog space missions at the LunAres Research Station. During the experiment the oral hygiene and gingival inflammation status measurements were conducted on the group of AAs at the beginning and at the end of each mission. Measurements included four oral hygiene indicators: API, sOHI, PI by Silness and Loe and GBI by Ainamo and Bay. Each AA's individual scores were noted and analyzed. Statistically significant reduction in the amount of plaque and intensity of gingival bleeding was observed over the course of the study, which could indicate positive results of applied oral hygiene procedures despite unfavorable dietary and stressful isolation conditions.
ISSN:1660-4601
1661-7827
1660-4601
DOI:10.3390/ijerph19031367