Which characteristic is NOT true about attached gingiva?

Attached gingiva is a critical component of periodontium, characterized by its firm connection to the underlying bone. One distinguishing feature of attached gingiva is its typically stippled appearance, resembling that of an orange peel, which indicates a healthy gingival condition. This stippling is caused by the presence of connective tissue papillae, which reinforce the attachment and resilience of the gum tissue.

In terms of width, the attached gingiva tends to be wider in the incisor region compared to the premolar region, due to anatomical variations in the maxillary and mandibular ridges and the positioning of the teeth. Therefore, the correct answer identifies an incorrect characteristic, as the attached gingiva generally does not have a smooth surface texture; it is rather textured and demonstrates this stippled quality that indicates healthy connective tissue and attachment.