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Implant method of maxillary molar without bone grafting and sinus floor elevating and dental implant

A technology of dental implant and bone graft, which is applied in the fields of dental implant, dentistry, dental repair, etc., can solve the problems of long time, high cost, troublesome operation, etc., and achieve the effect of short time, simple operation and easy popularization

Inactive Publication Date: 2009-12-23
王玉元
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has a great impact on dental implant surgery. In the world, bone grafting is used to enhance the maxillary sinus. The operation is troublesome, expensive, and takes a long time.

Method used

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  • Implant method of maxillary molar without bone grafting and sinus floor elevating and dental implant
  • Implant method of maxillary molar without bone grafting and sinus floor elevating and dental implant
  • Implant method of maxillary molar without bone grafting and sinus floor elevating and dental implant

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Embodiment Construction

[0020] For maxillary molar implantation, in addition to the routine oral tomography, an orthotopic CT scan of the maxillary molars is also required. Generally, it deviates 20 degrees from the central axis of the tooth to the lingual side. On the lingual side of the lingual root are the palatine bone and the horizontal plate of the palatine bone. The upper part is the nasal floor, the outer upper part is the maxillary sinus and the sinus floor, and the sinus floor is closely connected to the maxillary alveolar bone. It is this connected part, palatal bone and horizontal plate, nasal floor, maxillary sinus floor and the closely connected alveolar bone. After tooth loss, the white line of the cortical bone on the lingual and palatal side is thicker, and the white line of the cortical bone on the buccal side is very thin , Whether it is inflammation absorption or atrophy after missing teeth, the buccal side is obviously more serious than the lingual side. The entire maxillary gr...

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Abstract

The invention discloses an implant method of maxillary molar without bone grafting and sinus floor elevating and dental implant. The implant method comprises the steps that after anatomic proximity relation is defined through CT scanning, an implant is implanted by keeping 20 to 25 degrees from maxillary sinus floor, after drilling a 12 mm hole with a helical auger, spreading moving is performed in cancellous bone with a dilator, a matched screw tap is used for tapping for two times, and then the implant is screwed into the cancellous bone; the first maxillary molar is implanted at 20 degrees deviating from the palate and the second pairs of canine teeth, and the second molar is implanted at 20 degrees deviating from the palate and the maxillary tuberosity. One side of three threads at the upper part of the taper thread implant is protruded, and the protruded length is one third of the perimeter. The invention has the advantages that the implant can be implanted at 20 degrees of deviation as the general implant method and the healing period is six months, bone grafting and sinus floor elevating are not required, the implanted implant can not penetrate the maxillary sinus floor, and sufficient bone can be ensured to surround the implant. The operation is simple, the success ratio is high, the time is short, the cost is saved, and the method is convenient to be popularized. The method enables general population to enjoy the dental implant service.

Description

technical field [0001] The invention relates to an appliance for implanting metal titanium in the jaw bone to provide support and fixation for the restoration of missing teeth, in particular to a dental implant method for maxillary molars without bone grafting and sinus floor elevation, and dental implants. Background technique [0002] The maxillary posterior region has special anatomical characteristics. The sinus floor of the maxillary sinus is located above the buccal roots of the maxillary first and second molars. The white line of the cortex can be seen on the sinus floor. The other maxillary posterior regions have osteoporosis of three or four types. The inner wall of the maxillary sinus is the outer wall of the nasal cavity. After the adult sinus cavity is fully vaporized, the sinus floor is usually 1-2 mm lower than the nasal floor. Tooth loss is often due to alveolar bone absorption due to inflammation and alveolar bone after tooth extraction. Disuse bone atrophy, ...

Claims

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Application Information

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IPC IPC(8): A61C8/00
Inventor 王玉元王粤凡黄舒婉
Owner 王玉元
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