Among the permanent teeth, the teeth with the biggest and the smallest biting force are which, respectively.()
A. the second molar and the lateral incisor
B. the second molar and the central incisor
C. the canine and the lateral incisor
D. the first molar and the lateral incisor
E. none of the above
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The attrition is ()
A. non-physiological
B. the physiological phenomenon of natural depletion of dental hard tissues
C. caused by tooth brushing
D. all the above
E. none of the above
The lowest point of the Spee curve is located at ()
A. the mesiobuccal cusp of the mandibular second molar
B. the distobuccal cusp of the mandibular first molar
C. the mesiobuccal cusp of the mandibular first molar
D. the distobuccal cusp of the mandibular second molar
E. the distobuccal cusp of the mandibular second premolar
The incorrect description about the range of border movement of the mandible is ()
A. the opening border movement is at 48.0 mm ± 15.5 mm
B. the protrusive border movement is at 10.5 mm ± 2.2 mm
C. the retruding border movement is at 2.0 mm
D. the right-lateral border movement is at 10.0 mm ± 2.0 mm
E. the left-lateral border movement is at 10.0 mm ± 2.0 mm
The surface landmark of the local anesthesia for the nasopalatine nerve is ()
A. the incisive papillae
B. the greater palatine foramen
C. the lesser palatine foramen
D. the mental foramen
E. none of the above
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