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KMID : 0355420100340030394
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Journal of Korean Academy of Oral Health
2010 Volume.34 No. 3 p.394 ~ p.402
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A comparative study on dental caries activity before and after placing brackets for orthodontic patients
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Park Young-Nam
Lee Mi-Ra
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Abstract
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Objectives: This study aimed to use Dentocult test to measure and compare salivary buffer, Mutans streptococci, and Lactobacilli, respectively, before and after placing brackets for orthodontic patients in order to examine differences in caries activity, analyze changes in oral environment after placing orthodontic appliance for patients and caregivers, and make oral hygiene education effective.
Methods: Dental caries activity test was conducted with 33 fixed orthodontic patients having no general disease or decayed tooth, or completing caries treatment at the orthodontics department for dentist’s before placing brackets and three months after the placement from February 2009 through February 2010. For the dental caries activity test, salivary buffer, Mutans streptococci, and Lactobacilli were tested less than two hours after brushing, consequently obtaining the following results.
Results: 1. Salivary buffer was slightly higher at about 0.06±0.54 after placing orthodontic brackets for patients, showing no statistically significant difference. In terms of general characteristics, there were statistically significant differences by age and types of brackets (p＜0.05). 2. Mutans streptococci was slightly higher at 0.42±0.93 after placing orthodontic appliance for patients, showing statistically significant differences (p＜0.05). It was also slightly higher after the placement by gender, age, and types of malocclusion, showing no statistically significant difference. 3. Lactobacilli was slightly higher at 0.36±1.17 after placing orthodontic appliance for patients, showing no statistically significant difference (p＞0.05). It was also slightly higher after the placement by gender, malocclusion, and types of brackets, showing no statistically significant difference.
Conclusions: Placing orthodontic appliance made no significant differences in salivary buffer but caused a statistically significant increase in Mutans streptococci. But it made no significant differences in Lactobacilli. Therefore, patients with orthodontic teeth need to get regular brushing training or preventive treatment by using oral health goods and applying fluoride because Mutans streptococci can increase orally, and regular oral health education is especially necessary for orthodontic patients and caregivers to be careful in oral hygiene for themselves because most of the patients are in adolescence.
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KEYWORD
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bracket, dental caries activity, orthodontic patient
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