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Register a new userA Vitro study to comperative the effects of surface pretreatment by laser on the microleakage of resin-modified glass ionomer cement
دراسة مخبرية لمقارنة تأثير معالجة السطح بالليزر على التسرب الحفافي للاسمنت الزجاجي الشاردي المعدل بالراتنج
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Aِl-Baath University ورقة بحثية
Publication date
2016
fields
Dentistry
and research's language is
العربية
Created by
Shamra Editor
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الهدف المقارنة بين تأثير معالجة السطح بالليزر و حمض البولي إكريليك على التسرب الحفافي للاسمنت الزجاجي الشاردي المعدل بالراتنج. أظهرت نتائج الدراسة عدم وجود فروق جوهرية في تكرارات درجة التسرّب الحفافي بين المجموعات الثلاث المدروسة تبعاً لطريقة معالجة السطح المتبعة.
Objective: To compare effect laser Er:Yag and polyacrylic acid on microleakage of of resin-modified glass-ionomer cement. Analysis of variance shows no statistical differences between three groups .
References used
Patel, A.G., Microleakage in new resin-modified glass ionomer cements using new no-rinse conditioners: an invitro study, 2012, Faculty of the School of Dentistry in partial fulfillment of the requirements for the degree of Master of Science in Dentistry, Indiana University
Garg, N. and A. Garg, Textbook of operative dentistry2010, New Delhi: St. Louis : Jaypee Bros. Medical Publishers
Naoum, S., et al., Reducing composite restoration polymerization shrinkage stress through resin modified glass‐ionomer based adhesives. Australian dental journal, 2015. 60(4): p. 490-496
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Since the solution of direct bonding of orthodontic brackets as an alternative to full encircling of the dental arch, researchers have begun conducting studies to evaluate the adhesion materials and different methods of enamel preparation to reach the most appropriate method for the requirements of ideal adhesion.
The Objective is to determined whether enamel conditioning with sodium
hypochlorite (5,25%) and EDTA prior to etching was increased shear
bond strength of orthodontic brackets bonded with resin – modified glass
ionomer. our sample consisted of 42 extracted human premolars were
randomly divided into 3 groups.
An appropriate bond between glass‑ionomer and the superficial
resin materials is very important for the success of sandwich
technique. The aim of the present in vitro study was to evaluate the
effect of three surface treatments of conventional glass‑ionomer on
its shear bond strength to giomer
The aim of this study is to evaluate the microleakage
resultant from; Silorane resin composite restorations in primary
teeth Prepared Using Burs And Er:YAG Laser with or without
using additional etching.
Aim: to compare the effect of multiple usage and surface coarseness of diamond
burs on marginal microleakage of cervical resin composite restorations.
Materials and methods: sixty extracted premolars without caries were chosen. The
sample was rand
omly divided into three groups: n1=n2=n3=20. Group(1): class v cavities
were prepared using super coarse diamond burs, group(2): prepared by coarse diamond
burs, whereas group)3(: prepared by medium coarse diamond burs. All cavities were
restored by resin composite, then The teeth were thermocycled and immersedIn5%solution
of methylene blue dye for 12hours.Then the teeth were sectioned vertically, Dye
penetration was evaluated using a 10X stereomicroscope at the occlusal and gingival
margins. Data were collected and statistical analysis was conducted.
Results: The results showed that the multiple use of super coarse diamond burs
caused no significantly statistically affect on occlusal and gingival microleakage (P>0.05).
However, the multiple use of coarse and medium diamond burs caused significantly
statistically affect on gingival marginal microleakage (P<0.05).
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