Doff R S, Rosen S, App G
J Dent Res. 1977 Sep;56(9):1111-4. doi: 10.1177/00220345770560091701.
Weanling rice rats were fed either standard laboratory chow or Diet 2000. The animals were sacrificed at 4, 8, 12, and 15 weeks. There was an increasing amount of exposed root surface and root surface caries with age in the animals fed Diet 2000. There was exposed root surface but no caries in the animals fed laboratory chow.
将断奶后的稻鼠分别喂食标准实验室饲料或2000号饲料。在4周、8周、12周和15周时处死这些动物。喂食2000号饲料的动物中，随着年龄增长，暴露的牙根表面和根面龋的数量不断增加。喂食实验室饲料的动物有牙根表面暴露，但无龋齿。
