Parts of the crater walls eventually collapse back into the crater, the vent is filled with loose material, and, if the crater still is deeper than the water table, the crater fills with water to form a lake, the lake level coinciding with the water table.
Poor Dentition. My provider likes to use poor dentition in his assessment as a billable diagnosis, however there is not really a good code to select. Sometimes he is referring to a patient who is missing teeth due to poor oral hygiene, sometimes it is a patient with alot of tooth decay, in this case, he is referring to a patient with loose wisdom teeth.
If you only have all your teeth missing in one arch the process is slightly simpler and a combination of the description here and the one for partial dentures is used. What I am about to describe is for complete dentures on the top and bottom- it is one of the trickiest things to get exactly right in dentistry.