A band-and-loop appliance is best described as which type of space maintainer?

A band-and-loop maintains the space of a single prematurely lost primary tooth on one side; it is fixed, unilateral, and non-functional (does not restore chewing function).Other options: It is neither bilateral/removable, nor a growth-functional or expansion appliance.Key exam takeaway: Band-and-loop = fixed, unilateral, non-functional space maintainer for one lost primary tooth.