Answer:
Partial denature is usually used when one or a few of the natural teeth is still rooted into the upper or lower gum. In this case, Mr.Smith needs to implant to his lower jaw.
The number that will replace the partial denature is 4 artificial molars. This will be implanted as two on each side.
There will be two abutments as : 29 and 20, with 2nd premolars.
Step-by-step explanation: