Dr. Mohammed Nasser Gummy smile due to altered passive eruption 1-The patient is showing gummy smile measured 4-5 mm which caused her a great disturbance and sadness (Kokich 1999) 2-abnormal crown width to length ratio 1:1 , while the ideal is 75% – 80 leading to diagnosis of altered passive eruption type 1 as mucogingival junction was far away from CEJ (Belser UC. Esthetics checklist for the fixed prosthesis. Part II: Biscuit-bake try-in. In: Scha¨rer P, Rinn LA, Kopp…
