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| • | Smoking |
| • | Constantly drinking with a straw |
| • | Holding the tongue between the teeth (often in a misguided effort to break a clenching habit) |
| • | Mouth-breathing as a result of allergies or other breathing issues |
| • | Tongue-thrusting habits during speech or swallowing. |
Yes, they absolutely can. In fact, teeth move slightly all the time in reaction to the constantly changing forces in our mouths. As we age, the natural result of all these changing forces tends to be crowding. Increased crowding through adulthood is most commonly associated with habits of clenching or grinding your teeth. Many of us often experience increased periods of clenching or grinding throughout our lives due to stress, or other factors. This habit alone can cause significant tooth movement over time, but other oral habits can shift tooth position as well. Some of these habits include:
