PMC8189771_01
Intraoral photographs. Carious large crown of tooth 61 associated with dental caries of tooth 62 (a). Occlusal photograph showing the anterior teeth nonalignment and distal rotation of tooth 61 (b).
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Intraoral examination revealed the presence of a large upper left central incisor (#61) with slightly deep and decayed buccal and lingual grooves and the presence of extensive caries on the distal, lingual, and incisal surfaces of the left lateral incisor (#62) (Figures 1(a) and 1(b)).
Radiographic examination showing the morphology type: tooth 61 with a single root and a large central root canal. Periapical radiograph (a). Maxillary occlusal radiograph (b).
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The carious lesions in both teeth 61 and 62 were extensive and near the pulp chambers (Figures 2(a) and 2(b)).
Panoramic radiograph showing the morphology of tooth 22 with a slight developmental delay and rotation.
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Treatment of teeth 61 and 62. Periapical radiograph showing pulpotomy (a). Coronal restoration (b).
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One week later, the two teeth were asymptomatic, and direct restoration of dental crowns with composite resin (3M ESPE  Restorative Universal Composite A2 and B2) was performed (Figures 4(a) and 4(b)).
Periapical radiograph of the geminated tooth 61 and its contiguous tooth 62 at the 9-month follow-up visit: the presence of sealed coronal restoration of the two primary teeth with no pathological signs.
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The follow-up periapical radiograph showed a perfectly sealed coronal restoration of teeth 61 and 62 (Figure 5).
PMC8189771_02
Fusion of the clinical crown of tooth 72 with a supernumerary tooth 72'.
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The contiguous primary mandibular left lateral incisor (#72) had a large crown and deep grooves on the labial and lingual surfaces (Figure 6).
Anterior occlusal radiograph of the mandibular arch showing a type-4 morphology and an incomplete fusion of tooth 72 with a supernumerary tooth.
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Placement of sealants in the groove of the fused tooth 72 and restoration of the tooth 73.
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They included the restoration of the deep grooves using flowable composite (PRIME-Dent  flowable composite A2) (Figure 8).
Panoramic radiograph showing the absence of dental abnormalities in the permanent teeth.
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It showed the presence of all the mandibular permanent teeth without any abnormal signs (Figure 9).
Intraoral photographs of the fused tooth 72 at the 6-month follow-up visit. Stable state with no pathological problems in the two teeth (72 and 73) (a). Occlusal view revealing the anterior teeth proper alignment (b). Photograph of occlusion showing the patient's anterior open-bite (c).
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