This was the radiographic evaluation of 15 maxillary incisors apexification treatment carried out on 7-9 years old
patients with periapical pathology due to pulpal necrosis after dental trauma.
The treatment consisted of
two phases. The aim of first phase was the formation of a calcified apical barrier through calcium hydroxide medications repeated twice
with a three months interval. The aim of the second phase was the obturation of the root canal system once achieved a radiographic
evidence of the formation of an apical barrier. The treated teeth were radiographed at six months and then periodically once a year for a
period of 7 and 13 years.
The radiographic analysis allowed to underline three different kinds of apical formation: a
physiological development of the apical portion with a final root length equal to the contralateral tooth; the formation of a cap tissue and
an apical development with the final root length slightly shorter than the contralateral tooth; or the formation of different layers of
mineralised tissue that aggregate together trough the years.
Apexification is not a static phenomenon and the apexified
area undergoes through the years to a conspicuous readjustment involving bone, apical root tissues and root filling material.
Vol.7 – n.1/2006
Harvard: I. Ballesio, E. Marchetti, S. Mummolo, G. Marzo (2006) "Radiographic appearance of apical closure in apexification: follow-up after 7-13 years", European Journal of Paediatric Dentistry, 7(1), pp29-34. doi:
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