PMC3284019_01
(a) A preoperative radiograph of maxillary left central incisor with an open apex in the first case of the case reports, (b) Radiographic evaluation of Mineral trioxide aggregate level in the first case of the case reports, (c) Follow-up after 6 months of the first case of the case reports, (d) Follow-up at 18 months of the first case of the case reports
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F1
Periapical radiographic examination revealed an immature tooth with a wide open apex and a radiolucent area in the apical region of the maxillary left incisor [Figure 1a]. The correct position of the MTA mixture was controlled with a periapical radiograph [Figure 1b]. The radiographic follow-up at six months revealed a decrease of the periapical lesion [Figure 1c], and at eighteen months showed a complete healing of the periapical radiolucency with regeneration of the periradicular tissue and new cement formation at end of the root [Figure 1d].
PMC3284019_02
(a) A preoperative radiograph of maxillary left central incisor with an open apex in the second case of the case reports, (b) Radiographic evaluation of Mineral trioxide aggregate level in the second case of the case reports, (c) Follow-up after 6 months of the second case of the case reports, (d) Follow-up at 18 months of the second case of the case reports
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F2
Radiographic examination of tooth showed an immature tooth with a wide open apex and a radiolucent area at the end of the root-canal system [Figure 2a]. The method for the creation of an apical plug with MTA mixture was applied as in Case 1 [Figure 2b]. The periapical radiograph at 6 months revealed the reduction of the radiolucent area at the apical region [Figure 2c] and after 18 months, radiographic examination showed a further reduction of the radiolucency [Figure 2d].
PMC3284019_03
(a) A preoperative radiograph of maxillary left central incisor with an open apex in the third case of the case reports, (b) Radiographic evaluation of Mineral trioxide aggregate level in the third case of the case reports, (c) Follow-up at 1 year of the third case of the case reports
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F3
Radiographic examination of teeth revealed an immature permanent tooth with an open apex and radiolucent lesion at the periapical area [Figure 3a]. Figure 3b shows the radiographic appearance of the MTA filling in the apical 3 millimeters of the root.