Intermaxillary Elastics
Intermaxillary elastics (IME) are rubber bands used to correct the patient’s bite and achieve better meshing. These elastic bands allow us to perform movements that we would not be able to do with the appliances themselves. If the elastics are placed in the correct position, bite problems can be solved.
The intermaxillary elastics will be used in any type of fixed orthodontic treatment (aesthetic, metal or lingual brackets) or removable with clear aligners such as Invisalign.
They are called intermaxillary elastics because they are placed between the two arches, upper and lower. Intermaxillary elastics are used to correct malocclusions and improve the meshing between teeth. That is, the upper and lower jaw fit together properly. The upper jaw is advanced with respect to the lower jaw.
Some Usage:
For example:
- Class II - The upper jaw is advanced with respect to the lower jaw. The use of elastics in this case will produce a retrusion of the upper segment and an advancement of the lower segment.
- Class III - The lower teeth are set forward with respect to the upper teeth. With the elastics, we will achieve a protrusion of the upper zone and a retrusion of the lower zone.
- Open bite - There is no contact between the upper and lower teeth. With the elastics, we will achieve the extrusion of the parts to achieve this contact.
In case of incorrect meshing between the teeth, the following situations may occur:
- Wear and tear of teeth
- Periodontal problems
- Headaches or jaw pains
- Digestive and swallowing problems because we do not grind our food well.