Photo activated disinfection (PAD) of dental root canal system : an ex-vivo study

Aim: To investigate the efficacy of photo activated disinfection (PAD) in reducing colony-forming unit (CFU) counts of Enterococcus faecalis (E. faecalis) in infected dental root canals. The study compared the efficacy of PAD with conventional endodontic treatment (CET) and also a combination of CET...

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Bibliographic Details
Published in:Saudi journal of biological sciences 2016, Vol.23 (1), p.122-127
Main Authors: Ramakrishnaiah, Ravikumar, Durgesh, B. H., Basavarajappa, Santhosh, John, Jacob, Indira, Rajamani, Mohan, Dennis, al-Kharif, Abd al-Aziz Abd Allah, Divakar, Darshan Devang, Maruthingal, Sunith
Format: Article
Language:English
Subjects:
Dental pulp cavity
Diseases
Disinfection and disinfectants
Root canal therapy
Teeth
الأمراض
المطهرات
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Summary:Aim: To investigate the efficacy of photo activated disinfection (PAD) in reducing colony-forming unit (CFU) counts of Enterococcus faecalis (E. faecalis) in infected dental root canals. The study compared the efficacy of PAD with conventional endodontic treatment (CET) and also a combination of CET along with PAD. Material and Methods : 53 maxillary incisors were taken for the study. Teeth were divided into 3 groups, CET (Group I) (n = 11), PAD (Group II) (n = 21), and a combination of CET and PAD (Group III) which consisted of (n = 21) samples, Group II and Group III were further divided into 2 subgroups, Group IIa, IIb and Group IIIa, IIIb. Strains of E. faecalis were inoculated in all the root canals. CET group samples were treated by chemo-mechanical preparation (CMP) alone, PAD samples were treated with laser alone at 2 different exposure time (4 min and 2 min). In the combination treatment, samples were treated initially by CET and then by PAD for a time period of 4 min and 2 min. Contents of the root canal were aspirated, diluted and plated in Tryptone Soya Broth (TSB) and plates were incubated for 24 h to observe the bacterial regrowth.
ISSN:1319-562X