EFFECT OF TIO2 NANOPARTICLES INCORPORATION ON ANTIBACTERIAL PROPERTIES AND SHEAR BOND STRENGTH OF DENTAL COMPOSITE USED IN ORTHODONTICS

Effect of TiO2 nanoparticles incorporation on antibacterial properties and shear bond strength of dental composite used in Orthodontics

ABSTRACT Introduction: Plaque accumulation and bond failure are drawbacks of orthodontic treatment, which requires composite for bonding of here brackets.As the antimicrobial properties of TiO2 nanoparticles (NPs) have been proven, the aim of this study was to evaluate the antimicrobial and mechanical properties of composite resins modified by the

read more

Eating Habits of Adolescent Students

Background: To assess eating habits of adolescent students of Rawalpindi.Methods: In this descriptive study 276 students of both genders, aged between 13-16 yrs were selected through two stage cluster sampling technique.Data was collected by means of structured questionnaire.Questionnaire asked information regarding demographics and eating habits i

read more



Dopaminergic modulation of effort-related choice behavior as assessed by a progressive ratio chow feeding choice task: pharmacological studies and the role of individual differences.

Mesolimbic dopamine (DA) is involved in behavioral activation and effort-related processes.Rats with impaired DA transmission reallocate their instrumental behavior away from food-reinforced tasks with high response requirements, and instead select less effortful food-seeking behaviors.In the present study, the effects of several drug treatments we

read more