Apexification of an Immature Permanent Incisor with the Use of Calcium Hydroxide: 16-Year Follow-Up of a Case

Author:

Silveira Camila Maggi Maia1,Sebrão Cátia Cilene Nass1,Vilanova Larissa Soares Reis2,Sánchez-Ayala Alfonso3

Affiliation:

1. Dental School, Center of Higher Education of Campos Gerais, Avenida General Carlos Cavalcanti, No. 8000, Ponta Grossa, PR, Brazil

2. Department of Oral Health, Federal University of Goiás, Primeira Avenida, s/n, Goiânia, GO, Brazil

3. Department of Dentistry, State University of Ponta Grossa, Avenida General Carlos Cavalcanti, No. 4748, Ponta Grossa, PR, Brazil

Abstract

Apexification is a process of forming a mineralized apical barrier and had been performed by using calcium hydroxide paste, due to its biological and healing performances in cases of existent trauma. This clinical report aims to report the results of a 16-year follow-up study of an apexification treatment applied to nonvital tooth 22 of a healthy 8-year-old male after a trauma. Clinical inspection of the tooth showed fractures of the incisal edge and mesial angle, absence of coronal mobility, and negative pulp vitality under cold testing. Radiographic analysis of the root revealed incomplete apex formation. The possibility of fracture into the root or luxation injury was rejected, and the diagnosis of pulp necrosis was verified. Apexification by calcium hydroxide and subsequent endodontic treatment were planned. Initial formation of the mineralized apical barrier was observed after 3 months, and the barrier was considered to be completed after 8 months. Clinical, radiographic, and CBCT examinations after 16 years verified the success of the treatment, although the choice of calcium hydroxide for apexification treatment is discussed.

Publisher

Hindawi Limited

Subject

General Dentistry

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