Bacterial composition of subgingival plaque in crowded and noncrowded teeth

Patients with dental crowding, even with good oral hygiene, may show increased bacterial presence in the crowded area. This study aimed to determine the microbial composition of subgingival plaque in crowded and noncrowded dental regions. Forty dental students with anterior dental crowding, who were...

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Bibliographic Details
Published in:American journal of orthodontics and dentofacial orthopedics 2022-03, Vol.161 (3), p.375-380
Main Authors: Rafiei, Elaheh, Zandi, Hengameh, Joshan, Neda, Maybodi, Fahimeh Rashidi, Fallah, Raheleh
Format: Article
Language:English
Subjects:
Aggregatibacter actinomycetemcomitans
Dental Plaque - microbiology
Humans
Malocclusion
Porphyromonas gingivalis
Toothbrushing
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Summary:Patients with dental crowding, even with good oral hygiene, may show increased bacterial presence in the crowded area. This study aimed to determine the microbial composition of subgingival plaque in crowded and noncrowded dental regions. Forty dental students with anterior dental crowding, who were aware of correct brushing techniques and oral hygiene, were enrolled in this study. After orthodontic records were taken and the periodontal examination was performed, subgingival plaque samples were collected from the crowded (experimental) and noncrowded regions (control) of each patient. Colony counting was performed for Aggregatibacter actinomycetemcomitans (Aa), Porphyromonas gingivalis (Pg), and streptococcus species. The mean amount of Aa and Pg colonies was significantly higher in crowded areas (P 
ISSN:0889-5406
1097-6752
DOI:10.1016/j.ajodo.2020.09.029