if (miss == -1)
{
    miss = floor(random(11));
}
else
{
    missadd = 1 + floor(random(6));
    miss += (choose(1, -1) * missadd);
    if (miss < 0)
        miss = 0 + missadd;
    if (miss > 10)
        miss = 10 - missadd;
}
toothno = 0;
tx = global.idealborder[0] - 25;
repeat (5)
{
    if (toothno != miss)
    {
        downtooth = instance_create(tx, 0, obj_amalgam_tooth);
        downtooth.top = 0;
    }
    toothno += 1;
    tx += 25;
    if (toothno != miss)
    {
        uptooth = instance_create(tx, 0, obj_amalgam_tooth);
        uptooth.top = 1;
    }
    toothno += 1;
    tx += 25;
}
if (toothno != miss)
{
    downtooth = instance_create(tx, 0, obj_amalgam_tooth);
    downtooth.top = 0;
}