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Table 1 Demographic data. Values are given as means with standard deviations in parentheses

From: Effects of subgingival air-polishing with trehalose powder on oral biofilm during periodontal maintenance therapy: a randomized-controlled pilot study

Participants (n = 10)
Age61.4 years (±10.6)
Gender80% male, 20% female
Ethnic group100% Caucasian
Smoking status20% smokers
mean count of 20.6 packyears (± 18.9)