When some of the teeth don't need to be pulled, but some are beyond repair, then a partial set of dentures is the correct option. There is a choice between the normal dentures and the ones that hook into place. A conversation with your dentist will ensure that you make the right choice.
When looking for the best option, you may need to take into account price and convenience. This could lead you right to the option of removable dentures. They will feel just as snug as the options above, but you won't have to feel any hooks in your mouth. Also, sometimes the other teeth can deteriorate with those options.
As with any type of denture, Valplast or other, you will need to remove them from your mouth every single evening for cleaning and to give your gums a rest. When you use these, you will be assured that the other teeth won't have the option of moving into that space which can mess up the bite. Valplast can be a temporary solution, but as soon as possible a permanent solution will need to replace it.