15132
The probing pocket depth ( PD ) , bleeding on probing , plaque and calculus , and the presence of Aggregatibacter actinomycetemcomitans ( Aa ) in subgingival crevices were recorded .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None