The permanent maxillary molars are not considered to have any teeth that precede it.

In the universal system of notation, the deciduous maxillary second molars are designated by a letter written in uppercase.

In the universal system of notation, the permanent maxillary second molars are designated by a number.

In the Palmer notation, a number is used in conjunction with a symbol designating in which quadrant the tooth is found.

The international notation has a different numbering system than the previous two, and the right permanent maxillary second molar is known as "17", and the left one is known as "27".