Vigneshwar, R (2022) A Comparative Evaluation of Dissolution Rates of Three Different Posterior Restorative Materials used in Pediatric Dentistry: An Invitro study. Masters thesis, (Paediatric Dentistry) Chettinad Dental College and Research Institute, Kanchipuram.
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ABSTRACT ABSTRACT INTRODUCTION: T h e t erm d en t al c a r i es r ef e r s t o t h e s i g n s an d s ymp t oms o f a l o c al i z ed c h emi c al d i s i n t e g r at i o n o f t h e t o o t h s u r f a ce i n d u c ed b y met ab o l i c p r o c es s es i n a b i o f i lm ( d e n t al p l a q u e) t h at co v e r t h e a ff e ct ed ar e a. Be c au s e o f t h e wi d es p r e ad imp r o v emen t i n t h e f i el d o f d en t al mat er i al s , ma n y d en t al r es t o r at i v e t yp e s o f c emen t h av e eme rg ed i n t h e mar k et . T h e f e at u r es o f g o o d r es t o r a t i v e mat e r i al a r e me ch an i c al s t r en g t h , f l u i d d i s s o l u t i o n r at e an d r et en t i o n . AIM: T h e s t u d y' s g o al wa s t o comp a r e an d as s es s t h e d i s s o l u t i o n r at e, co l o r s t a b i l i t y, a n d o t h e r mec h a n i cal p ar amet er s s u ch as c omp r es s i v e a n d f l ex u r al s t r en g t h o f t h r ee d i s t i n ct p o s t e r i o r r es t o r at i v e mat er i al s u s e d i n p ed i at r i c d e n t i s t r y. MATERIALS AND METHODS : T h e t h r e e d i ff e r e n t p o s t er i o r r es t o r at i v e mat e r i al s u s e d i n P ae d i at r i c d en t i s t r y ar e d i v i d ed i n t o t h r ee g r o u p s : Gr o u p I: Zi r co n omer Gr o u p I I: Comp o s i t e Gr o u p I I I : Cen t i o n N 111 c yl i n d r i c al s p e cimen s i n t o t al w er e g r o u p ed i n t o t h r e e g r o u p s o f 3 7 e a ch . Acc o r d i n g t o t h e ma n u f ac t u r e r 's s t an d a r d s , al l o f t h e mat er i al s we r e p r o p o r t i o n e d an d h an d l e d . T h e mat er i al s we r e t h e rmo c yc l ed i n a ch ewi n g s imu l at o r a n d wer e s u b j ec t e d t o v a r i o u s t es t s t o e s t imat e t h e d i s s o l u t i o n r at e , comp r es s i v e s t r e n gt h , f l ex u r al s t r en gt h an d co l o r s t ab i l i t y o f t h e t h r e e i n d i v i d u al g r o u p s . Re s u l t s : In t h e p r es en t s t u d y t h e d i s s o l u t i o n r at e wa s f o u n d t o b e h i g h es t i n Zi r c o n ome r f o l l owe d b y C en t i o n N an d Comp o s i t e s h owe d l e as t d i s s o l u t i o n r at e wh i ch was h i gh l y s i g n i f i c a n t ( P = 0 . 0 5 ) . Comp r es s i v e s t r en g t h was f o u n d t o b e h i g h es t wi t h C e n t i o n N f o l l owe d b y Comp o s i t e an d Zi r c o n ome r wh i ch was p r o v e n t o b e h i gh l y imp o r t a n t ( P = 0 . 0 5 ) . Cen t i o n N h ad t h e g r ea t e s t f l ex u r al s t r en g t h wh i ch was f o l l owed b y Comp o s i t e a n d Zi r co n omer wh i c h wa s h i g h l y s i g n i f i c an t ( P = 0 . 0 5 ) . Comp o s i t e h ad t h e h i gh es t co l o r s t ab i l i t y f o l l owe d b y Ce n t i o n N a n d Z i r co n omer amo n g t h e t h r e e g r o u p s . Co n c l u s i o n : It i s c o n cl u d ed t h at r e s i n - b as ed r es t o r at i v e mat e r i a l s o u t p er f o rm gl as s i o n ome r- b a s e d Zi r c o n ome r c eme n t i n t e rms o f d i s s o l u t i o n r at e, comp r es s i v e s t r en gt h , f l ex u r al s t r e n gt h an d c o l o r s t a b i l i t y.
| Item Type: | Thesis (Masters) |
|---|---|
| Additional Information: | 241925303 |
| Uncontrolled Keywords: | Dissolution Rates, Three Different Posterior Restorative Materials, Pediatric Dentistry. |
| Subjects: | DENTAL > Paedodontics and Preventive Dentistry |
| Depositing User: | Subramani R |
| Date Deposited: | 08 May 2022 05:00 |
| Last Modified: | 14 May 2022 09:42 |
| URI: | http://repository-tnmgrmu.ac.in/id/eprint/19747 |
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