**6. Conclusion**

White spot lesions could be detected at an early stage with various diagnostic methods, and the formation of lesions could be prevented with appropriate treatments. Studies have shown that none of the caries diagnostic methods developed today is as effective as clinical examination and radiographic examination. It would be more beneficial to use these two diagnostic methods together. In the first months of orthodontic treatment, it is of great importance to evaluate the oral hygiene of patients and to apply preventive measures to stop demineralization. In the treatment of white spot lesions, the factors affecting the formation of the lesions should be eliminated first, and patient education and information should be emphasized. In the treatment of white spot lesions, it is aimed to occur remineralization in the lower layer of the lesion. For this purpose, improvement of oral hygiene, regulation of diet, calcium, fluoride, milk proteins, laser beams, chemical, and mechanical abrasion methods should be applied. If white spot lesions are not treated, cavitation may occur in the lesions and cause esthetic problems. Effective prevention, diagnosis, and treatment of lesions will minimize caries formation and tooth discoloration and also provide an esthetic smile. The most appropriate, cheapest, and easiest-to-apply treatment method should be preferred for the patient.
