If a tooth with one root were to lose one third of its attachment length,its loss of attachment surface would be greater than one third because the root is larger in the cervical one third of the tooth.

Question

Quizplus · Accepted Answer

The statement is correct because when a tooth loses one third of its attachment length, the actual loss of attachment surface is indeed greater than one third due to the anatomical tapering of the tooth's root, making it larger at the cervical third. The reason correctly explains this phenomenon, highlighting the relationship between the root's shape and the proportion of attachment surface lost.

If a Tooth with One Root Were to Lose One