Source:http://linkedlifedata.com/resource/umls/id/C0011346
MSH: Accumulations of microflora that lead to pathological plaque and calculus which cause PERIODONTAL DISEASES. It can be considered a type of BIOFILMS. It is subtly distinguished from the protective DENTAL PELLICLE.,CSP: hard or soft material deposited on a tooth surface, such as dental calculus or plaque and materia alba.