Which of the following can occur to the permanent incisors to make their mamelons even more noticeable?

Question

Quizplus · Accepted Answer

With the addition of tooth whitening (or bleaching),incisal translucencies from mamelons or incisal ridges on permanent incisors may become even more noticeable.The entire tooth in a child may undergo avulsion,which is complete displacement of the tooth from the tooth socket or alveolus,resulting from extensive trauma to the area.An open contact,or diastema,can also exist between the maxillary central incisors.If mamelons are still present on the incisal ridge long after eruption,it is because these teeth are not in occlusion where they undergo the usual levels of attrition,such as with an anterior open bite relationship.

Which of the Following Can Occur to the Permanent Incisors