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Is this only for phase one treatment or is this appliance used after phase one to hold space before bracketing?
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When should I crimp the stopper and not the slider?
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| Will crimping the sliders add more stability to the EZ Space Maintainer? |
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| For maintaining space, should I squeeze the stopper before or after adjusting the length?
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Can I use an additional coil if needed? If so, how do I measure and what size coil
is recommended? |
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What are the minimum and maximum lengths in which the EZ Space Maintainer
can be utilized? |
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Can the upper right EZ Space Maintainer be used on the lower left quadrant? Are the
EZ Space Maintainers interchangeable? |
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| Doctors have expressed that they find it easier to bond the arms separately- bonding one arm and then the other. Is this advised? |
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| Can your EZ Space Maintainer be used to hold space between a maxillary deciduous canine and second molar? |
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| In regard to distalization of permanent first molars to regain space for the 2nd bicuspids, are there side effects? Is alignment toward the buccal or lingual an issue? If so, how is this managed? |
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| If a patient prematurely loses a 2nd primary molar, can the EZ Space Maintainer be bonded to the permanent 1st molar and to the primary 1st molar to hold the position for the permanent premolar? |
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| EZ Space Maintainer Part Reference Diagram |
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Is this only for phase one treatment or is this appliance used after phase one to hold space before bracketing?
It is used whenever you need to maintain any space before or after the active phase.
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When should I crimp the stopper and not the slider?
When using the EZ Space Maintainer to regain any space, only the stopper should be crimped. Crimping the sliders will prevent the EZ Space Maintainer from being active. The stopper should be crimped to prevent the coil spring from sliding up the anterior vertical arm of the EZ Space Maintainer in this active position.
For space maintaining, either the stopper or the slider could be crimped, but it’s sufficient to just squeeze the sliders. This will hold the space open to the length the sliders have been crimped.
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Will crimping the sliders add more stability to the EZ Space Maintainer?
Yes, crimping the sliders will add more stability to the EZ Space Maintainer.
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For maintaining space, should I squeeze the stopper before or after adjusting the length?
The stopper should be crimped after adjusting the length of the EZ Space Maintainer. Then check to make sure that the EZ Space Maintainer length fits the indicated space. If the EZ Space Maintainer is accurate for the space, then sliders should be crimped. For space maintaining, it is sufficient to squeeze the sliders only.
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Can I use an additional coil if needed? If so, how do I measure and what size coil
is recommended?
The included coil spring, when maximally activated, exerts a force of approximately 180 grams. More than this amount will not be tolerated by the bonded teeth. Therefore, no additional coils are recommended.
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What are the minimum and maximum lengths in which the EZ Space Maintainer
can be utilized?
The shortest length of the maintainers is 15mm. However, if necessary one of the sliders can be removed (cut) and this dimension could be 4mm shorter. This cut could be necessary to open the space between very close teeth. The longest length is 30mm.
*Note: A cutting wheel and polishing stone must be used to shorten the EZ Space Maintainer. Otherwise, this will cause patient discomfort.
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Can the upper right EZ Space Maintainer be used on the lower left quadrant? Are the
EZ Space Maintainers interchangeable?
Ideally the EZ Space Maintainer is not interchangeable since the angulations of the vertical arms and the bases are different between the two EZ Space Maintainers. Also, the length of the lower EZ Space Maintainer is shorter than the upper to prevent cheek irritation.
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Doctors have expressed that they find it easier to bond the arms separately- bonding one arm and then the other. Is this advised?
Although a gentle hand may manage successfully, it is always advised to crimp the stopper and sliders before bonding the EZ Space Maintainer, so that accidental debonding does not occur during your attempts of crimping. Therefore, it is not advised to bond one arm (posterior) and then the other arm (anterior) of the same EZ Space Maintainer separately. Crimping the stopper after bonding one arm of the EZ Space Maintainer may result in accidental debonding of the EZ Space Maintainer.
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Can your EZ Space Maintainer be used to hold space between a maxillary deciduous canine and second molar?
Yes. The EZ Space Maintainer can be used in this area to maintain space. The EZ Space Maintainer must be adapted to the buccal/labial surfaces of the maxillary deciduous canine and the deciduous second molar. There are similar case examples in our web pages. To regain space the force will be excessive for the deciduous canine. I do not advise to use it here to regain space. To regain space it is preferred to use between permanent teeth.
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In regard to distalization of permanent first molars to regain space for the 2nd bicuspids, are there side effects? Is alignment toward the buccal or lingual an issue? If so, how is this managed?
Distalization of the molar with the EZ Space Maintainer is a simple uprighting movement of the tooth. The activation of the appliance creates a force of about 180 grams which is optimal for the molar. This means that direct resorption occurs around the molar and as a result the molar moves faster. Although the same amount of force causes indirect resorption around the 2nd bicuspid, osteoid bone takes place in the direction of the movement. We know that this new formed osteoid bone is more resistant and necessitates more time to allow the desired movement. Based on Dr. P. Raymond Begg's Differential Force Method, this "differential force application" between the 2nd bicuspid and the molar creates a "differential ancroge" which means that the molar uprights before the bicuspid moves buccally or lingually.
It is imperative that the adaptation of the mesh pad-bonding bases to the tooth surfaces are done properly to avoid debonding during the force application.
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If a patient prematurely loses a 2nd primary molar, can the EZ Space Maintainer be bonded to the permanent 1st molar and to the primary 1st molar to hold the position for the permanent premolar?
Yes. The posterior base will fit to the buccal area of the first permanent molar. The anterior base is smaller and has a round shape. It can fit the facial/labial surface of one of the buccal cusps of the deciduous first molar, as well as the buccal area of any other teeth. To bond the anterior base you only need a small prominent facial/labial surface.
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