MCQOPTIONS
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				| 1. | 
                                    The corrct order of microscopic zones of dentinal caries starting from the D.E junction is_______________? | 
                            
| A. | Zone of sclerosis, decalcification zone, bacterial invasion | 
| B. | Bacterial invasion, decalcification zone, zone of sclerosis | 
| C. | Zone of sclerosis, backterial invasion, decalcification zone | 
| D. | Decalcification zone, zone of scierosis, backterial invasion | 
| Answer» C. Zone of sclerosis, backterial invasion, decalcification zone | |