Parameters Type 1 Type 2 Type 3
All adequate At least one compromised At least one deficient
Soft tissue contour variations No < 2 mm ≥ 2 mm
Vertical soft tissue deficiency No From 1 to 2 mm ≥ 2 mm
Keratinized gingiva width > 2 mm From 1 to 2 mm < 1 mm
Mesial and distal papilla Hyperplastic/fills the entire proximal space Lower of the normal contact point/
less of half of normal papilla height 		No papilla
Gingival tissue biotype Thick: < 2 mm Moderate: from 1 to 2 mm Hard: ≥ 2 mm
Soft tissue: color, consistence,
contour 		Pink, firm and smooth Slightly red and a soft, spongy,
and uneven contour 		Red/bluish or red with a soft edematous
and boggy or craterlike appearance
Facial bone thickness
on the mid-buccal side 		≥ 2 mm From 1 to 2 mm ≤ 1mm
Vestibular bone lesion No Yes: > 0 to < 2 mm Yes: ≥ 2 mm
Palatal/lingual bone lesion No Yes: > 0 to < 2 mm Yes: ≥ 2 mm