Rehabilitation in amelogenesis imperfecta in a pt with sever
A 27‐year‐old male patient presented to the Prosthodontics Department and complained of unattractive smile and difficult mastication. His dental history revealed an unsuccessful maxillary Le Fort I orthognathic surgery in 2010 as an attempt to modify his class III malocclusion and correct his open bite, which relapsed afterward.

The patient, also suffering from mouth breathing, had a long oval face with a convex profile, incompetent lips with a nasolabial angle of 110°, and chin deficiency. The open bite and maximum mouth opening measured 10 and 48 mm, respectively.

Intraoral examinations revealed an ovoid arch form, deep palate, dental caries, short yellow‐brown pitted and porous teeth, hyperplastic and edematous gingiva, wide occlusal surfaces, and a buccolingual alveolar defect at the site of upper right central incisor. Other problems observed included tapered crowns, posterior occlusal contact to the second premolar, a biplanar open bite, reverse curve of Spee, no anterior guidance, low crown height of the posterior teeth, and no proximal contact.

The upper left lateral incisor was missing and the upper right lateral incisor was peg‐shaped. The posterior teeth had wide pulp chambers and furcation proximity to the alveolar ridge, rendering crown lengthening surgery impossible. The diagnosis of hypomaturation‐hypoplasia with taurodontism (type IV AI) was made.

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