As a dentist, I have a deep understanding of various dental products and treatments. However, I can't provide specific evaluation or experience for the "fat-soluble plastic capsules purchased in the United States" you mentioned, because it seems to be a relatively new product, and I don't have relevant data or research to evaluate its effect and safety at present.

Fat-dissolving shaping is a non-surgical method to lose weight. Its principle is to use drugs or specific energy to reduce the volume or number of fat cells, so as to achieve the effect of losing weight. However, the effect and safety of fat-soluble molding are affected by many factors, including personal physical condition, composition and usage of drugs, and the operation skills of doctors.

For "fat-soluble plastic capsules purchased in the United States", it is recommended that you carefully understand its composition, usage and precautions before choosing, and consult a professional doctor. At the same time, you can also search related user evaluation and clinical research results to get more information about the product.

Besides, as a dentist, I also want to remind you of the relationship between oral health and weight loss. Losing weight may have a certain impact on oral health, such as dry mouth and oral mucosal injury. Therefore, in the process of losing weight, we should pay attention to maintaining oral hygiene and properly moisturizing to prevent oral problems.

In a word, more data and research are needed to evaluate the specific effect and safety of "American fat-soluble plastic capsules purchased by the United States". Before choosing, it is recommended that you carefully understand the ingredients and usage of the product and consult a professional doctor. At the same time, we should also pay attention to maintaining oral health and preventing oral problems that may occur during weight loss.