MCQOPTIONS
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				| 1. | 
                                    Marginal leakage related to temperature change occurs to the greatest extent with_______________? | 
                            
| A. | Amalgam alloy | 
| B. | Unfilled resin | 
| C. | Composite resin | 
| D. | Direct filling gold | 
| Answer» C. Composite resin | |