Oh, is there ever. Before you hit the job market you better make sure you understand the two concepts ice cold. Production (or adjusted production) is based on the procedures you do, i.e. for services rendered. Collection is the actual amount of money your patients pay you (money in hand). The two may seem the same but are actually quite different in many instances.
I know many dentists (corporate and private) that love to pay their dentists on collections. Their excuses are almost always either "I can't pay you until I get paid" or " I am giving you a part in ownership of this office." All of this is bulls**t. Unless you really have equity in the office or have a say in the clinical/management matters, you should not have to be tasked with the onus of ownership duties. Once the office reaches a financial agreement with the patient and have you pick up a handpiece, you should be compensated for your time and effort, no questions asked. And it would save you a hell lot of time pouring through databases everyday to check to make sure that your patients have paid.
My first job out of school was for a company called MyDentist. When I spoke originally with its CEO (Kevin Offel), he claimed that the company's collection rates were 97% (in theory, a good office should always approach 98-99%). However, only later on did I find out that was a lie, at least in the TX region where I work. There, the company is trying to build clientele and grab market share, so it is willing to accept short-term losses with poorly structured and risky financial deals to individuals with spotty credit. In the one year that I worked there my collection rate was only 70%--so on a 28% collection pay rate, my true effective pay rate was only 19.6%. So for every 5 dollars I produced, I got paid less than one. Now, I did produce a lot (mainly because I am efficient and fast), but in the end before I got fed up and left my Accounts/Receivable stood at over $180,000, meaning the company actually owed me over $50k for services rendered but for which I never got paid.
So, for any associate job, whenever possible, always go for one which pays on production (like what I am in now). It makes accounting much simpler, and you go home everyday knowing exactly what you are taking with you that day. I would take a position that pays on production anyday over a job that pays on collection, even if the theoretical difference between the two is 5%. Otherwise, effectively you are really just signing up for a secondary job as a poster/collector for the owner dentist.