Summary of the invention
The object of this invention is to provide a kind of molar distal jet, in the correcting process of tooth, this molar distal jet can provide strong anchorage, guarantee is ground one's teeth in sleep effectively and is moved, the discomfort in patient's use procedure can be alleviated again, in addition be plantation nail be absolute anchorage, the movement that other teeth are unnecessary can not be caused.
Technical solution of the present invention is:
A kind of molar distal jet, comprise the metal casting support fitting in palate, metal casting support plantation nail is fixed on oral cavity palate, metal casting support afterbody have two semilune rings to be fastened on respectively the upper jaw finally grinds one's teeth in sleep far away in, each semilune ring is provided with two small columns, small column socket elastic ring traction, on elastic ring traction casing is connected to and grinds one's teeth in sleep tongue side button or buccal tube on.
Further improvement is: described metal casting support is the one-body molded casting of V-shaped.
Further improvement is: described metal casting support is that rustless steel, titanium alloy or the plastic material with biocompatibility and safety are cast.
Further improvement is: the quantity of described plantation nail on palate is two, and the both sides of Palatal suture are fixed in plantation respectively.
Further improvement is: have certain spacing between the grinding one's teeth in sleep of end during described semilune ring and the upper jaw are far away.
Further improvement is: described small column has a cap.
Further improvement is: on described tongue side button is bonded at is ground one's teeth in sleep by binding agent.
Further improvement is: described elastic ring traction is made for nickel titanium coil spring or elastomeric material elastic ring.
The invention provides a kind of molar distal jet, comprise the metal casting support fitting in palate, metal casting support plantation nail is fixed on oral cavity palate, plantation nail can be one or many, preferably two, metal casting support afterbody have two semilune rings to be fastened on respectively the upper jaw finally grinds one's teeth in sleep far away in, each semilune ring is provided with two small columns, small column socket elastic ring traction, on elastic ring traction casing is connected to and grinds one's teeth in sleep tongue side button or buccal tube on; Described metal casting support is preferably the one-body molded casting of V-shaped; Metal casting support is formed in one casting, not yielding, strong anchorage is provided lastingly, described metal casting support is that rustless steel or titanium alloy material are cast, the density of titanium alloy is generally at about 4.5g/cm3, be only 60% of steel, the intensity of pure titanium is close to the intensity of ordinary steel, and some high strength titanium alloys have exceeded the intensity of many structural alloy steels; Therefore the specific strength (strength/density) of titanium alloy is much larger than other structural metallic materials, can make that unit strength is high, the parts and components of good rigidly, light weight, all use titanium alloy at the engine component of aircraft, skeleton, eyelid covering, securing member and undercarriage etc.; By proper strength, metal casting support also can have that the high-performance novel of biocompatibility and safety is integrally moulded to be made.
In molar distal jet, metal casting support being planted nail can be one or many, preferably two, lays respectively at Palatal suture both sides, oral cavity; Have certain spacing between the grinding one's teeth in sleep of end during semilune ring and the upper jaw are far away, with ensure to grind one's teeth in sleep suitable after move distance, semilune ring and the distance of grinding one's teeth in sleep can be determined according to the requirement of correcting before planting nail and hammering into palate; Small column has a cap, the setting of cap makes elastic ring traction firmly be enclosed within small column, makes its difficult drop-off; On described tongue side button is bonded at is ground one's teeth in sleep by binding agent, binding agent adopts water-resistant binder, and binding agent is except primer and multiple glue are all with except water-fast synthetic resin, and matrix is also through resistance to water treatment; The traction of molar distal jet elastic force circle is rubber, also can substitute with nickel titanium coil spring, and elastic ring traction is chain or helical form, and elastic ring traction is preferably elastomeric material chain traction circle.
First or second molar that this molar distal jet can be used for bilateral far move simultaneously, also far can move by first molar side, side second molar simultaneously, in addition in the normal situation of side occluding relation, also alonely can far move grinding one's teeth in sleep of side; This kind of molar distal jet generally coordinates conventional fixed appliance to use, also can simultaneously and invisible orthotic device or lingual orthodontics device with the use of.
The invention has the beneficial effects as follows: the present invention is a kind of molar distal jet, in the correcting process of tooth, this molar distal jet can provide strong anchorage, guarantee is ground one's teeth in sleep effectively and is moved, the discomfort in patient's use procedure can be alleviated again, in addition be plantation nail be absolute anchorage, the movement that other teeth are unnecessary can not be caused.
Detailed description of the invention
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of molar distal jet, comprise the metal casting support 1 fitting in palate, metal casting support 1 plantation nail 2 is fixed on oral cavity palate, planting nail 2 can be one or many, preferably two, metal casting support 1 afterbody have two semilune rings 3 to be fastened on respectively the upper jaw finally grinds one's teeth in sleep far away in, each semilune ring 3 is provided with two small columns 4, small column 4 is socketed elastic ring traction 5, and elastic ring traction 5 is socketed on the button of the tongue side on grinding one's teeth in sleep 6 or buccal tube; Described metal casting support 1 is preferably the one-body molded casting of V-shaped; Metal casting support 1 is formed in one casting, not yielding, strong anchorage is provided lastingly, described metal casting support 1 is cast for rustless steel or titanium alloy material, the density of titanium alloy is generally at about 4.5g/cm3, be only 60% of steel, the intensity of pure titanium is close to the intensity of ordinary steel, and some high strength titanium alloys have exceeded the intensity of many structural alloy steels; Therefore the specific strength (strength/density) of titanium alloy is much larger than other structural metallic materials, can make that unit strength is high, the parts and components of good rigidly, light weight, all use titanium alloy at the engine component of aircraft, skeleton, eyelid covering, securing member and undercarriage etc.; By proper strength, metal casting support 1 also can have that the high-performance novel of biocompatibility and safety is integrally moulded to be made.
In molar distal jet, metal casting support 1 being planted nail 2 can be one or many, preferably two, lays respectively at palate both sides, oral cavity; Have certain spacing between the grinding one's teeth in sleep of end during semilune ring 3 and the upper jaw are far away, with ensure to grind one's teeth in sleep suitable after move distance, semilune ring 3 can be determined according to the requirement of correcting with the distance of grinding one's teeth in sleep before planting nail and hammering into palate; Small column 4 has a cap, the setting of cap makes elastic ring traction 5 firmly be enclosed within small column 4, makes its difficult drop-off; On described tongue side button 6 is bonded at is ground one's teeth in sleep by binding agent, binding agent adopts water-resistant binder, and binding agent is except primer and multiple glue are all with except water-fast synthetic resin, and matrix is also through resistance to water treatment; Molar distal jet elastic force circle traction 5 is rubber, also can substitute with nickel titanium coil spring, and elastic ring traction is chain or helical form, and elastic ring traction 5 is preferably elastomeric material chain traction circle.
First or second molar that this molar distal jet can be used for bilateral far move simultaneously, also far can move by first molar side, side second molar simultaneously, in addition in the normal situation of side occluding relation, also alonely can far move grinding one's teeth in sleep of side; This kind of molar distal jet generally coordinates conventional fixed appliance to use, also can simultaneously and invisible orthotic device or lingual orthodontics device with the use of.
The beneficial effect of embodiment is: a kind of molar distal jet of embodiment, in the correcting process of tooth, this molar distal jet can provide strong anchorage, guarantee is ground one's teeth in sleep effectively and is moved, the discomfort in patient's use procedure can be alleviated again, in addition be plantation nail be absolute anchorage, the movement that other teeth are unnecessary can not be caused.