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.
The official currency used in and around the Cozumel port is the Mexican Peso. It is a good idea to have handy at all times a good mix of coins and bills in denominations smaller than 200 Mexican pesos, or you will be in the uncomfortable situation of losing money because of the seller or retailer not having change..he official currency used in and around the Cozumel port is the Mexican Peso. It is a good idea to have handy at all times a good mix of coins and bills in denominations smaller than 200 Mexican pesos, or you will be in the uncomfortable situation of losing money because of the seller or retailer not having change..