Significantly uneven front teeth (one of them entirely fake, the other partly). What to do now? (Photos)

4 years ago I broke a tooth and a part of it was placed. A year later I broke another (I'm clumsy) and it was replaced entirely. A year later, for some reason the two teeth look entirely different. I look like a total idiot and it is causing me immense troubles. Don't know what to do. Depressed and feeling really bad.

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