Complaining of tooth sensitivity to air'

  A 43-year-old nurse comes to the office complaining of tooth sensitivity to air, cold, and sweets. Examination reveals several deep class V lesions caused primarily by heavy toothbrushing with stiff bristles. No dental caries is present. 1. Considering that resistance to wear is an important physical property, are flowable composites suitable materials? 2. Why or why not? 3. What other materials could be used successfully in this situation?