Abnormal tooth color is not the same as the darkening or yellowing of teeth that occurs as people grow older or expose their teeth to staining substances, such as coffee, tea, and cigarette smoke. Graying of a tooth may be a symptom of a previous infection within the tooth that has seriously damaged the pulp, which is the living center of the tooth.
Isla Cozumel, Mexico's largest island is located in the western Caribbean, 12 miles off the coastline of the Yucatan Peninsula, about 45 miles south of Cancun.
Guide to Cozumel weather in December. The average maximum daytime temperature in Cozumel in December is a warm 28Â°C (82Â°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 19Â°C (66Â°F).