The purpose of this study is to evaluate the effectiveness of silver diamine fluoride (SDF) compared to chlorhexidine (CHX) as a cavity disinfectant in primary molars after Atraumatic Restorative Treatment approach (ART).
This study is a three arm randomized controlled clinical trial, where children with an age range of 4-6 years indicated for Atraumatic Restorative Treatment (ART) are selected from the outpatient clinic of Pediatric Dentistry and Public Health Department, Faculty of Dentistry, Alexandria University after securing necessary consents. Sixty teeth are randomly allocated into 3 groups of Atraumatic restorative treatment approaches. Group I is assigned to silver diamine fluoride as an antibacterial agent, Group II is assigned to chlorhexidine as an antibacterial agent, and Group III serves as a negative control.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
60
SDF will be applied as a cavity disinfected after atraumatic restorative technique (Antimicrobial effect)
Chlorhexidine will be applied as a cavity disinfected after atraumatic restorative technique (Antimicrobial effect)
Atraumatic Restorative Technique will be performed without cavity disinfection
Faculty of Dentistry, Alexandria University
Alexandria, Egypt
Microbiological assessment of total viable bacterial count
The first dentin sample will be collected with a sterile spoon excavator from the firm dentin in the center of the cavity. Two microliters of the samples collected will be inoculated on blood agar for total viable count.
Time frame: First day (baseline)
Microbiological assessment of streptococcus mutans count
The first dentin sample will be collected with a sterile spoon excavator from the firm dentin in the center of the cavity. Two µl of the samples will be inoculated on mitis salivarius agar supplemented with 15 percent sucrose and bacitracin (0.2 U/ml) for selective isolation of Streptococcus mutans.
Time frame: First day (baseline)
Microbiological assessment of lactobacilli count
The first dentin sample will be collected with a sterile spoon excavator from the firm dentin in the center of the cavity.Two µl of the samples will be inoculated on Rogosa agar, a medium selective for Lactobacilli.
Time frame: First day (baseline)
Change in the total viable count.
A second dentin sample will be taken from the same position with a sterile round bur for bacteriologic assessment.
Time frame: 14 days
Change in the lactobacilli count.
A second dentin sample will be taken from the same position with a sterile round bur for bacteriologic assessment.
Time frame: 14 days
Change in the streptococcus mutans count.
A second dentin sample will be taken from the same position with a sterile round bur for bacteriologic assessment.
Time frame: 14 days
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Clinical changes in the dentin color
Restoration will be removed and the dentin will be checked using visual-tactile method of examination.
Time frame: 14 days
Clinical changes in the dentin consistency
Restoration will be removed and the dentin will be checked using visual-tactile method of examination.
Time frame: 14 days