The most appropriate first step would be an orthodontic consultation. Ask the orthodontist to assess both your upper and lower front teeth and your bite. Depending on your examination and X-rays, options may include: * Clear aligners – a less noticeable option for many cases. * Ceramic/tooth-coloured braces – another relatively discreet option. * Conventional braces – useful for more complicated movements. Adults can absolutely undergo orthodontic treatment. The exact option depends on how crowded the teeth are and how your bite fits together. Once the teeth are properly aligned, you can consider professional whitening if the remaining yellow colour is mainly staining/discolouration. Whitening changes the colour of the natural teeth but doesn’t straighten them, and the result isn’t permanent. I would not recommend jumping straight to veneers simply because the teeth look large or yellow. Veneers mask the appearance rather than correcting the underlying alignment, and some types require removal of tooth structure.

Until you get the orthodontic assessment: * Use a soft toothbrush and spend extra time around the crowded lower teeth. * Add floss or interdental brushes once daily to reach areas your toothbrush misses. * Consider an electric toothbrush if you find the crowded areas difficult to clean. * Don’t try to aggressively scrub the yellow areas—the colour may be tartar/staining, but aggressive brushing won’t straighten the teeth. * Get the teeth professionally cleaned before whitening if there is significant tartar or staining. If you want, you can send me a clear photo of your teeth showing your full smile and the lower front teeth, and I can explain what treatment options would typically be considered for that appearance

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