Angle's classification of malocclusion is based on ()
A. The occlusal relationship between maxillary and mandibular molars
B. The occlusal relationship between maxillary and mandibular canines
C. The occlusal relationship between maxillary and mandibular first premolars
D. The centric position
E. The occlusal relationship between maxillary and mandibular first molars
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The muscle attached to the internal oblique line of the mandible is ()
A. the digastric
B. the mylohyoid
C. the geniohyoid
D. the genioglossus
E. the hyoglossus
The gustatory senses does NOT include ()
A. sour taste
B. sweet taste
C. bitter taste
D. spicy taste
E. salty taste
The palatine foveola is located at ()
A. the mucosa on both sides of the midline of the anterior soft palate.
B. the mucosa on both sides of the midline of the middle soft palate.
C. the mucosa on both sides of the midpoint of the 8⊥8 line.
D. the mucosa on both sides of the midline of the middle soft palate.
E. None of the above is true.
As for the mandibular postural position, which one is NOT correct? ()
A. It is the mandibular rest position.
B. It is stable and repeatable.
C. It refers to the mandibular position when a person stands or sits in an upright posture, looking straight ahead, and there is no chewing, no swallowing, and no speaking. What’s more, the mandibular teeth do not contact the maxillary teeth.
D. There is a 1-3 mm space between maxillary and mandibular incisors.
E. There is no electrical activity of the mandibular elevating muscles.
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