case_images: PMC7533229_01
case_images: Preoperative radiograph with periapical radiolucencies # 51 and 61.
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case_images: Radiography revealed radiolucent periapical lesions in respect to teeth #51 and #61 and radiolucency in the lateral aspect of #51 as well (Figure 1).
case_images: Grayish discoloration #61.
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case_images: PMC7533229_01_CCIDE-12-409-g0002.jpg
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case_images: After 9 months, the patient came to the department with grayish discoloration in #61 and now he was concerned by the crown discoloration (Figure 2).
case_images: Image taken 9 months later revealing significant remineralization in the periapical region.
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case_images: The lesion that was present periapically in #51 was in the state of healing, whereas the lesion in its lateral aspect had healed (Figure 3).
case_images: Photograph after completion of bleaching procedures.
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case_images: After completion of the bleaching procedures, under rubber dam isolation, the tooth was reaccessed, the internal bleaching paste was removed, and the access cavity was subsequently restored with resin composite restoration (Figure 4).