PMC7275243_01
Retroalveolar radiograph. The tooth had immature roots (Nolla's stage 8).
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Radiographic examination showed incomplete root formation of both central incisors (Nolla's stage 8: short root with thin walls) (Figure 1).
Retroalveolar radiograph showing the calcium hydroxide filling of 11.
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A regular clinical and radiological follow-up was carried out to check the vitality of 21 (Figure 2).
6-month follow-up radiograph: a radiolucent periapical lesion adjacent to 21. The negative response to the cold test confirms pulp necrosis.
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6 months after the beginning of the treatment of 11, a radiolucent lesion in the periapical region was detected on 21 (Figure 3).
Retroalveolar radiograph showing capping of the blood clot with MTA.
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Once the blood clot was formed, MTA was placed in the cervical third of the root canal (Figure 4).
3-month follow-up radiograph after revascularization: beginning of root edification on 21.
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Three months after performing revascularization treatment, visible root edification was observed (Figure 5).
6-month follow-up radiograph after revascularization: thickening of the wall with the beginning of root calcification on 21.
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Concerning 11, a renewal of the calcium hydroxide was carried out once the material has been absorbed (Figure 6).
24-month follow-up radiograph of 11: an apical barrier was formed easily crossable with a file.
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After 24 months of apexification treatment on 11, we noticed the formation of an apical barrier which was easily crossable with a file (Figure 7).
Root canal plugging of 11: MTA+gutta. Complete root canal obliteration of 21.
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Concerning 21, the canal was almost completely obliterated with an extension of the root (Figure 8).