Unique characteristic of attached gingiva in children:
Interdental clefts.
Retrocuspid papilla.
Both.
Stillman's cleft.
The two unique characteristics of the attached gingiva in children are interdental clefts and the retrocuspid papilla.
The inter dental clefts are normal anatomic features found in the interradicular zones underlying the saddle areas.
The retrocuspid papilla is found approximately 1mm below the free gingiva on the attached gingiva lingual to mandibular canine . It occurs in 85°/0 of children and apparently decreases with age.