Lack of Canine Guidance, Lack of Lateral Guidance
- feature of unhealthy teeth
Definition:
Reason this is not good:
Molars have relatively short roots (compared to your front teeth) and are only good at taking forces that are on their longitudinal axis. Without canine guidance the molars are likely to hit in ways that generate sideways forces. These forces can cause the teeth to loosen, possibly accompanied by the gum and bone receding, and progressing to the teeth falling out. Continual rubbing of the back teeth can also cause sensitive teeth, worn teeth, cracking, fracturing and other undesirable effects.
Are You Lacking Canine Guidance?
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Things that can go wrong if you don't have canine guidance:
- Sensitive teeth
- Molar pain
- Worn teeth
- Cracked tooth
- You've probably been bruxing to get to this point and this can lead to other problems such as headaches and TMJ disorders
Treating Lack of Canine Guidance
If the lack of canine guidance is caused by the positions of otherwise healthy canines, the guidance may be restored by repositioning the teeth orthodontically.
It can sometimes be possible to provide some protection by using the next teeth back from the canines if they have sufficient structure to allow them to be used, but that is not an ideal solution.
Otherwise, if the guidance has broken down because of severe wear of the canines, as illustrated in the photograph above, the teeth have to be restored with crowns and/or other restoration procedures.
See also:
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