Addition of left turn lanes at intersections. Turn lanes are used to separate turning traffic from through traffic. Studies have shown that providing turn lanes for left-turning vehicles can reduce accidents. In walkable urban areas, turn lanes should be limited to a single left-turn lane.
Dogs with periodontal disease tend to have bad breath and obvious inflammation, swelling, soreness and redness of the gums. As the disease progresses, their gums may appear to recede, owners may notice teeth staining and the gums may bleed or become ulcerated.
Signs and Symptoms of Periodontal Disease. As mentioned before, the first signs of periodontal disease usually begin with gingivitis; the gums appear reddened at the margins, slightly swollen and bleed when gently provoked by tooth brushing or flossing.