Crowded teeth occur when there is not enough room in your mouth for your teeth to line up to their ideal position․ Your teeth may overlap‚ turn, or protrude into other teeth due to a lack of space․ By understanding the factors that are responsible for crowding, we may then understand the mechanisms involved and how to reduce it․
One of the most common causes of crowded teeth is genetic influences: the size and shape of both the jaw and teeth of your parents․ The jaw may be too small․ Smaller jaws may not have enough room for all of the individual teeth․ If the teeth are too wide‚ there may not be enough space within the jaw‚ causing crowding․
Related to this is the timing of your teeth’s development and eruption․ If your baby teeth erupt at too young of an age‚ other teeth may move into the space․ If a baby tooth does not fall‚ it can block the eruption of the permanent teeth‚ causing misalignment․ If a baby tooth is present for longer than expected‚ it can prevent the proper eruption of the adult teeth and may result in the permanent teeth becoming crowded․
Certain childhood habits, such as thumb sucking for years or prolonged use of pacifiers, may also contribute to crowding‚ as they may influence the shape of the teeth or jaw‚ and increase the pressure on the teeth․ This would influence the position of the teeth and whether overcrowding develops․ These habits may eventually correct themselves‚ but any misalignment of teeth is less likely to resolve on its own․
Jaw development is also important․ If the jaw does not grow to its full size or is not proportional‚ the mouth may not have enough room for all the teeth․ Genetic and environmental factors may lead to a very narrow upper jaw or a short jaw․ This can lead to insufficient space for teeth‚ causing the teeth to overlap‚ rotate‚ or tilt․
Another possible reason for gaps between your teeth (known as spacing) is if some of your teeth are slightly smaller or larger than average‚ which can also affect the overall spacing․ Even slight differences in tooth size influence the fit of teeth in the dental arch‚ especially if the jaw is small․
In addition‚ if permanent teeth are lost and not replaced‚ the teeth on either side of the missing tooth may drift into that space and become malaligned․ If such a space is not preserved in the mouth with an implant or dental bridge‚ it may eventually close as the tooth moves toward the gap‚ resulting in crowding․ Proper spacing of teeth prevents crowding․
Subsequent crowding can occur over time due to natural changes in the jaw or the surrounding structures that can cause teeth to shift slightly from their perfectly aligned position at the time they erupted․ This is usually first noticed with the lower front teeth‚ where the space is smaller in size․
If you have more questions about crowded teeth or how they could affect your dental health, make an appointment with the dentist to see if addressing your crowded teeth is the best treatment plan for you.
Related Article: How do you Treat Teeth Crowding?