نتایج جستجو برای: dental plaque and caries
تعداد نتایج: 16855478 فیلتر نتایج به سال:
BACKROUND The study is focused on increased risk of dental plaque accumulation among the children undergoing orthodontic treatment in consideration of individual hygiene and dietary habits. MATERIALS AND METHODS The study was conducted among 91 children aged 7-14 including 47 girls and 44 boys. The main objectives of the study were: API index, plaque pH, DMF index, proper hygiene and dietary ...
Effects of phenytoin (PHT) administration on dental caries in rats infected with Streptococcus sobrinus 6715 were investigated. Twenty-day-old specific pathogen-free Fischer male rats were infected with S. sobrinus 6715 and fed diet 2000 containing 56% sucrose with or without PHT for 52 days. Antibody responses against anti-S. sobrinus in serum and saliva failed to show a statistical difference...
BACKGROUND The present paper describes the oral manifestations in a 16-year-old boy previously diagnosed with Apert syndrome. PATIENT AND METHODS The extraoral and intraoral pathological findings were recorded. The following intraoral parameters were recorded: plaque and calculus deposits, dental caries, periodontal status, malpositions, and occlusion. For the upper anterior teeth, dental sha...
The classical studies published by Axelsson et al provided a beautiful example of how proper oral hygiene and regular maintenance can prevent caries and maintain good periodontal health. Their results showed that the use of professional preventive measures by dental professionals (i.e. dental hygienists or dentists) in addition to improved selfperformed oral hygiene measures was able to prevent...
Antimicrobial peptides are among the repertoire of host innate immune defenses. In mucosal immunity, the health-disease balance can be greatly modulated by the interplay between host immune factors and colonized microflora. Microbial ecology within dental plaque is constantly shaped by environmental factors present within the oral cavity. Several antimicrobial peptides are detected in saliva an...
Oral rinses which included (1) an acidic calcium phosphate solution containing 0.7 M Ca, 1.9 M PO4, and saturated with respect to CaHPO4 . 2H2O, and with a pH of 2.0, followed by (2) a 0.52 M fluoride solution, from NaF or SnF2, were provided to rats once daily for seven days. The investigation consisted of two studies: In the first study, the amounts of dental plaque on the tooth surfaces and ...
background: chewing-gum may serve as an effective oral hygiene device when brushing may not be possible. the aim of the present study was to evaluate the effect of chewing sugar-free gum twice a day after meals in addition to tooth brushing on dental plaque and interdental debris. methods: twenty four (12 males and 12 females aged 20-21 years) healthy third-year dental students participated...
Our understanding of dental plaque biofilm has evolved since the nonspecific plaque hypothesis that considered plaque as a nonspecific mass of native microorganisms that, because of lack of oral hygiene, builds up in proportions great enough to overcome the host resistance threshold and affect the tooth structure and tooth supporting tissues. A great diversity of microorganisms-over 700 species...
BACKGROUND Dental plaque formed on tooth surfaces is a complex ecosystem composed of diverse oral bacteria and salivary components. Accumulation of dental plaque is a risk factor for dental caries and periodontal diseases. L-arginine has been reported to decrease the risk for dental caries by elevating plaque pH through the activity of arginine deiminase in oral bacteria. Here we evaluated the ...
Introduction: The action of ozone is associated with the prevention dental plaque formation, and reduction bacterial development supports caries. This paper aims to establish effect gaseous on developing new caries lesions two years after its application for caries-active patients. Material Methods: Patients aged 30 50 were selected no common diseases. They all have five or more teeth, without ...
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