[An experimental study on effect of the root and periodontium due to depressing force].
D000818:Animals; D003799:Dental Stress Analysis; D004285:Dogs; D010519:Periodontium / Q000033:anatomy & histology / Q000502:physiology*; D013314:Stress, Mechanical; D014087:Tooth Movement Techniques; D014092:Tooth Root / Q000033:anatomy & histology / Q000502:physiology*