Effects of fixed orthodontic brackets on oral malodor

effect of oral presentation on development of l2 learners grammar

this experimental study has been conducted to test the effect of oral presentation on the development of l2 learners grammar. but this oral presentation is not merely a deductive instruction of grammatical points, in this presentation two hypotheses of krashen (input and low filter hypotheses), stevicks viewpoints on grammar explanation and correction and widdowsons opinion on limited use of l1...

The effect of fixed appliances on oral malodor from beginning of treatment till 1 year

BACKGROUND Orthodontic appliances can enhance plaque accumulation, and this can cause gingival inflammation. Halitosis of oral origin is associated with microbial metabolism on the tongue and in the saliva, dental plaque, and the amount of volatile sulfide-containing compounds. This study used a Halimeter to investigate fixed orthodontic therapy-associated increases in the oral malodor over a y...

Oral malodor pdf

In vitro Effects of a Neutral Fluoride Agent on Shear Bond Strength and Microleakage of Orthodontic Brackets

Introduction: This study aimed to evaluate the effect of pretreatment with a neutral fluoride agent on shear bond strength (SBS) and microleakage of orthodontic brackets, and to investigate any significant relationship between SBS and microleakage. Methods: Forty intact premolars were selected and randomly divided into 2 groups. Group 1 served as the control, while group 2 underwent treatment w...

In vivo study on metal release from fixed orthodontic appliances in oral mucosa cells

In vivo study on metal release from fixed orthodontic appliances in oral mucosa cells Dr. F. Amini* - Dr. M. Rabbani** - Dr. A. Amjadei*** *- Assistant Professor of Orthodontics Dept. - Faculty of Dentistry – Islamic Azad University (Tehran). **- Assistant Professor, Nuclear Research Center Dept. Iranian Atomic Energy Organ. ***- Dentist. Background and Aim: Fixed orthodontic appliances usually...