MCQOPTIONS
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MCQOPTIONS
| 1. |
The first sign of future deciduous teeth as a thickening of oral ectoderm appears at about_____________? |
| A. | 25th day of Intra uterine life |
| B. | 34th day of Intra uterine life |
| C. | 56th day of Intra uterine life |
| D. | 20 wks of Intra uterine life |
| Answer» D. 20 wks of Intra uterine life | |