We recommend you to make crowns on your teeth both in color selection and shape selection. You don't need to have your teeth removed. It is possible to close the gaps with crowns. The name of this ailment is fluorosis and your teeth become weak. Getting crown also strengthens your teeth.
If it bothers you aesthetically, you can change it. Also a gray reflection appears. You can indicate that attention should be paid to material selection.
If your pulp is exposed, some pulp protection methods can be tried, but permanent gluing of the zirconia coating is not recommended without making sure that the pain is gone. If this method does not work, you should definitely have a root canal treatment.
It would be more accurate to decide as a result of clinical examination. According to the current image, it is possible to make laminate veneers. But, having your upper front teeth behind can cause laminate fractures, so some important points should be paid attention to when making it. According to your face shape, the tooth form can be selected and made in a light color.
It is not possible to darken the colors of the laminates when they are in the mouth. You need to renew.