Clear aligner treatment for a four-year-old patient with anterior cross-bite and facial asymmetry: A case report

Figure 1 Pre-treatment facial and intra-oral photographs. A: Pre-treatment facial photos showing presence of facial asymmetry; B: Lateral view of right side; C: Frontal view; D: Lateral view of left side; E: Occlusal view of the maxillary arch; F: Occlusal view of the mandibular arch.

Figure 2 Pre-treatment ClinCheck^® models and ClinCheck^® treatment plan. A: Lateral view of right side of pre-treatment model; B: Frontal view of pre-treatment model; C: Lateral view of left side of pre-treatment model; D: Occlusal view of superimposition of pre-treatment (blue) and post-treatment (white) maxillary arch models; E: Occlusal view of superimposition of pre-treatment (blue) and post-treatment (white) mandibular arch models.

Figure 3 Intraoral photographs under treatment. A: Lateral view of right side of intraoral pictures of the 4^th aligner; B: Frontal view of intraoral pictures of the 4^th aligner; C: Lateral view of left side of intraoral pictures of the 4^th aligner; D: Lateral view of right side of intraoral pictures of the 13^th aligner; E: Intraoral pictures of the 13^th aligner; F: Lateral view of left side of intraoral pictures of the 13^th aligner.

Figure 4 Post-treatment facial and intraoral photographs of the 19^th aligner. A: Post-treatment facial photos showing correction of facial asymmetry and harmonic appearance; B: Lateral view of right side; C: Frontal view showing correction of anterior cross-bite; D: Lateral view of left side; E: Occlusal view of the mandibular arch; F: Occlusal view of the maxillary arch.

Figure 5 Intraoral photographs of a 6-month follow-up. A: Lateral view of right side; B: Frontal view; C: Lateral view of left side.

Figure 6 Facial and intraoral photographs of a 3-year follow-up. A: 3-year follow-up facial photos; B: Lateral view of right side; C: Frontal view; D: Lateral view of left side; E: Occlusal view of the mandibular arch; F: Occlusal view of the maxillary arch.