| ORIGINAL ARTICLE |
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| Year : 2012 | Volume
: 3
| Issue : 1 | Page : 48-53 |
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Ormocer: An aesthetic direct restorative material; An in vitro study comparing the marginal sealing ability of organically modified ceramics and a hybrid composite using an ormocer-based bonding agent and a conventional fifth-generation bonding agent
Sarika Kalra1, Arundeep Singh1, Manish Gupta1, Vandana Chadha2
1 Department of Conservative Dentistry and Endodontics, Manav Rachna Dental College, Faridabad, Haryana, India
2 Department of Periodontics, Manav Rachna Dental College, Faridabad, Haryana, India
Correspondence Address:
Sarika Kalra
A-40/C, DDA Munirka, New Delhi - 110 067
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/0976-237X.94546
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Aims and Objectives : To compare the marginal sealing ability of ormocer with a hybrid composite using an ormocer based bonding agent and a conventional fifth generation bonding agent. Materials and Methods : Fifty four human premolars were randomly distributed into four test groups of 12 teeth each and two control groups of 3 teeth each. Class I occlusal preparation of 1.5 mm depth were made in each tooth. These were restored using the adhesive and restorative material according to the group. The restorations were finished using a standard composite finishing and polishing kit. Thermocycling between 5 o C and 55 o C was carried out. Having blocked the root apex and the entire tooth surface except 1 mm around the restoration margin, the teeth were immersed in 2% methylene blue for 48 hours, after which the dye penetration through the margins of each sample was studied under a stereomicroscope. Results and Discussion : Group IV (Admira with Admira Bond) showed the minimum marginal leakage with a mean of 0.200 mm. Four samples in this group showed no microleakage at all and a maximum of 0.400 mm was seen in one sample. Group II (Spectrum TPH with Admira Bond) showed the maximum leakage with a mean of 0.433 mm. One sample showed as much as 1.00 mm of microleakage. Admira when used with Admira Bond showed lesser microleakage than Spectrum TPH used with Prime & Bond NT, the difference being statistically insignificant. |
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