Teeth may hurt after eating lemon due to the high acidity of the fruit. The acid in lemons can wear down the enamel on the teeth, which can expose the sensitive inner layers of the teeth, leading to discomfort or pain. Additionally, the acid can also irritate any existing dental issues or cavities, causing further discomfort. It's important to be mindful of the acidity of foods and drinks and to maintain good oral hygiene to prevent tooth sensitivity and pain. **

Using lemon juice instead of lemon zest will provide a different flavor profile to your dish. Lemon zest contains the essential oils from the lemon peel, which give a more concentrated and intense lemon flavor compared to lemon juice. If you choose to use lemon juice instead of zest, you may need to adjust the quantity to achieve the desired level of lemon flavor in your recipe. Additionally, lemon juice adds acidity to a dish, which may affect the overall balance of flavors. **

As an AI, I do not have the ability to experience physical sensations such as toothaches. However, some people may experience tooth sensitivity or discomfort after eating acidic foods like lemons due to the citric acid irritating the teeth and gums. It is important to practice good oral hygiene and consult a dentist if you experience persistent toothaches or sensitivity. **

Eating lemon puree can be harmful due to its high acidity, which can cause irritation and erosion of the tooth enamel. The high acidity can also lead to stomach irritation and exacerbate symptoms of acid reflux or heartburn. Additionally, consuming large amounts of lemon puree can lead to an imbalance in the body's pH levels, which can have negative effects on overall health. It's important to consume lemon and other acidic foods in moderation to avoid these potential harmful effects. **

The rough feeling on your teeth after eating a lemon is likely due to the acidic nature of the fruit. The acid in the lemon can temporarily weaken the enamel on your teeth, making them feel rough or sensitive. It's important to wait at least 30 minutes after consuming acidic foods or drinks before brushing your teeth, as brushing immediately after can further damage the enamel. Rinsing your mouth with water after eating acidic foods can help neutralize the acid and minimize the rough feeling on your teeth. **

No, lemon extract is not the same as lemon juice. Lemon extract is made by extracting the oils from the lemon peel, while lemon juice is the liquid extracted from the flesh of the lemon. Lemon extract has a more concentrated flavor and is often used in baking and cooking to add a strong lemon flavor, while lemon juice is commonly used in recipes for its tartness and acidity. **

No, germinating lemon seeds inside the lemon are not toxic. In fact, the germinating seeds are a natural part of the lemon's life cycle and are not harmful to consume. However, the seeds may have a bitter taste, so it's best to remove them before eating the lemon. **

An unknown kitchen utensil is a tool or implement that is not commonly recognized or used in the kitchen. It could be a specialized gadget or device that serves a specific purpose in food preparation or cooking, but is not widely known or understood by the general public. These utensils may be unique to certain cuisines or cooking techniques, and may require some explanation or demonstration to understand their function and use. **