VOLUME 18 , ISSUE 10 ( October, 2017 ) > List of Articles
Mirna Garhnayak, Angurbala Dhal, Lokanath Garhnayak, Thatapudi Shankar
Citation Information : Garhnayak M, Dhal A, Garhnayak L, Shankar T. Comparison of Hypersensitivity in Metal Ceramic Crowns cemented with Zinc Phosphate and Self-adhesive Resin: A Prospective Study. J Contemp Dent Pract 2017; 18 (10):923-926.
DOI: 10.5005/jp-journals-10024-2150
Published Online: 01-09-2015
Copyright Statement: Copyright © 2017; The Author(s).
Luting agents used to fix artificial prostheses, such as fixed partial denture (FPD) to tooth are basically viscous in nature and show chemical reaction for fixation. Postcementation hypersensitivity is a frequent complaint of patients. The present study was conducted to compare postcementation hypersensitivity with zinc phosphate and self-adhesive resin in complete coverage crown. This study included 30 patients in which 60 porcelein fused to metal crowns was placed. Two metal crowns were placed in each patient in nonantagonistic contralateral quadrants. First crown was cemented with zinc phosphate cement, while the other was cemented with self-adhesive resin. Hypersensitivity was evaluated by visual analog scale (VAS) score and by clinical test. For clinical evaluation of sensitivity, hot and cold water was applied to the cervical margin of restoration for 5 seconds and response was recorded. This study consisted of 30 patients in which 60 crowns were given. There was no statistical difference in VAS score of mastication in zinc phosphate cement recorded at baseline, 1 week, 4 weeks, 6 months, 1 year, and 2 years (p > 0.05). Cold response also did not show a significant difference at six time points. Warm response showed slight decrease in subsequent time points but was nonsignificant (p > 0.05). Similarly, with selfadhesive resin cement, VAS score during mastication, hot and cold response was statistically nonsignificant (p > 0.05). Postcementation hypersensitivity is a frequent complaint that patient may experience. However, we found no statistically significant difference in both cements tested. Postcementation hypersensitivity is an unpleasant sensation experienced by patients. This may affect the success of any prosthesis. Thus, selection of luting agent for cementation plays an important role to eliminate this symptom. Shankar T, Garhnayak M, Garhnayak L, Dhal A, Kar AK. Comparison of Hypersensitivity in Metal Ceramic Crowns cemented with Zinc Phosphate and Selfadhesive Resin: A Prospective Study. J Contemp Dent Pract 2017;18(10):923-926.