Comparison of microtensile bond strength of prepared teeth treated with proanthocyanidin, Camellia sinensis – Polyphenols, and metal crowns luted with resin-modified glass ionomer... oleh B Gayathrie, Murugesan Krishnan, Suganya Srinivasan, Fathima Banu Raza, Balasubramanium Muthukumar