Dental press journal of orthodontics · 2014
The effects of binge-pattern alcohol consumption on orthodontic tooth movement.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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de Araujo Cristiano Miranda, Johann Aline Cristina Batista Rodrigues, Camargo Elisa Souza, Tanaka Orlando Motohiro
Аннотация
OBJECTIVE: This study aimed to assess tissue changes during orthodontic movement after binge-pattern ethanol 20% exposure.
METHODS: Male Wistar rats (n = 54) were divided into two groups. The control group (CG) received 0.9% saline solution, while the experimental group (EG) received 20% ethanol in 0.9% saline solution (3 g/kg/day). On the 30th day, a force of 25 cN was applied with a nickel-titanium closed coil spring to move the maxillary right first molar mesially. The groups were further divided into three subgroups (2, 14 and 28 days). Tartrate-resistant acid phosphatase and picrosirius were used to assess bone resorption and neoformation, respectively. Data were compared by two-way ANOVA, Tukey's HSD, Games-Howell and chi-square test. Significance level was set at 5%.
RESULTS: There was a decrease in the number of osteoclasts in EG at day 28. The percentage of collagen showed no interaction between group and time.
CONCLUSION: Binge-pattern 20% ethanol promoted less bone resorption at the end of tooth movement, thereby suggesting delay in tooth movement.
METHODS: Male Wistar rats (n = 54) were divided into two groups. The control group (CG) received 0.9% saline solution, while the experimental group (EG) received 20% ethanol in 0.9% saline solution (3 g/kg/day). On the 30th day, a force of 25 cN was applied with a nickel-titanium closed coil spring to move the maxillary right first molar mesially. The groups were further divided into three subgroups (2, 14 and 28 days). Tartrate-resistant acid phosphatase and picrosirius were used to assess bone resorption and neoformation, respectively. Data were compared by two-way ANOVA, Tukey's HSD, Games-Howell and chi-square test. Significance level was set at 5%.
RESULTS: There was a decrease in the number of osteoclasts in EG at day 28. The percentage of collagen showed no interaction between group and time.
CONCLUSION: Binge-pattern 20% ethanol promoted less bone resorption at the end of tooth movement, thereby suggesting delay in tooth movement.
Предметные рубрики MeSH
Acid PhosphataseAlveolar ProcessAnimalsAzo CompoundsBinge DrinkingBone ResorptionCell CountCollagen Type IColoring AgentsDental AlloysIsoenzymesMaleMolarNickelOrthodontic WiresOsteoclastsOsteogenesisPeriodontal LigamentRandom AllocationRatsRats, WistarTartrate-Resistant Acid PhosphataseTime FactorsTitaniumTooth Movement Techniques