34results about How to "Reduce the number of referrals" patented technology

The invention relates to a preparation method of a frame type hollow denture, which has the steps as follows: (1) the maxillary defects are copied, thus preparing a maxillary module, a frame and a denture tissue surface base plate; (2) the hollow part of the denture tissue surface base plate is filled with wax, thus aligning artificial teeth and using the wax for producing a denture grinding surface base plate wax model; (3) silicon rubber are used for complex model of the artificial teeth and the denture grinding surface base plate wax model, thus obtaining a silicon rubber mold; (4) the silicon rubber mold is taken off, the denture grinding surface base plate wax model is scraped by 1.0 to 1.5mm, the silicon rubber mold is worn back, self-curing resin material is used for filling, thus obtaining a denture primary part; and (5) a hole is opened on the denture grinding surface base plate of the denture primary part, the heating is carried out, and the opened hole is sealed again aftermelting and discharging the filled wax for preparation. The frame type hollow denture tissue surface prepared by the method is well contacted with mucous membrane of a patient, thus improving the denture comfort of the patient, reducing the times of the revisits, reducing the clinical medical costs, lowering the processing difficulty of the denture and facilitating the manufacture.

The invention discloses an implantable bone cyst fenestration drainage system, which belongs to the technical field of stomatology and consists of four parts: a fenestration drill, a self-tapping cyst plug, a silicone plug and a torque wrench. The self-tapping cyst plug stabilizes the cyst plug itself and avoids possible damage to adjacent teeth. At the same time, the self-tapping cyst plug has good biocompatibility, which is beneficial to osteogenesis and gingival formation. The implantable bone cyst fenestration drainage system is adopted, and the operation and cyst plug placement are completed at one time, which saves operation time, avoids second-stage operation, and reduces the number of follow-up visits for patients. The invention uses materials that do not need to be frequently replaced, and is convenient for medical personnel and patients to flush themselves, and the flushing is more thorough and the drainage is more sufficient. In addition, the present invention uses materials with strong X-ray opacity, which is convenient for observing the position, angle and relationship with the cyst cavity and the like of the cyst plug through X-ray film.

The present invention relates to a tooth-supported guide plate, a mucosa-supported guide plate, a bone-supported guide plate and methods for preparing and using the same; wherein the preparation method of the tooth-supported guide plate includes: Bonding on the gingival mucosa or / and bonding radio-opaque materials to other anatomical features; b) CBCT shooting to obtain CBCT data with radio-opaque material information; c) acquisition of oral surface with radio-opaque material information STL data; d) match CBCT data with STL data; e) determine the position of the implant and retainer; f) generate the base guide; g) generate the in-situ guide; h) generate the implant guide; i) generate the restoration guide. The tooth-supported guide plate, the mucosa-supported guide plate, the bone-supported guide plate and the preparation and use methods thereof provided by the present invention can improve data matching accuracy and success rate, improve patient comfort, reduce the number of follow-up visits, and reduce clinical medical costs.

The invention provides a method for dental restoration including direct modification of an abutment in the oral environment to obtain the ideal shape, contour, and margin placement. The method is featured with directly measuring the shortest distance X1 between a location L1 on the surface of the abutment and the surface of a surrounding object, and increasing the shortest distance X1 until it is not less than a predetermined value. The invention exhibits numerous merits such as simplified procedure, cost-effectiveness, reduction of laboratory adjustment, reduction of chair time, and reduction of office visits.

A miniature built-in automatic continuous sutural distraction osteogenesis device comprises a main anchorage rod and a distracter; the main anchorage rod is a slender titanium alloy rod, the front part of which is provided with a distracter hole and the tail of which is provided with at least two fixing holes; the distracter is made of an iron-nickel memory alloy wire, the preset shape is a W, the restored shape is a U, both ends are bent, and one of the ends is mounted in the distracter hole; and an auxiliary anchorage rod is arranged on one side of the main anchorage rod, so that a triangular support is formed. The device is individually designed by the three-dimensional CT computer-assisted design technology, can be fabricated in a simple way, and accords with the low-carbon economy, the operation of the surgery is convenient, the distraction process is smooth, and the distraction effect is accurate; the distraction process is simple and convenient, the surgery is minimally invasive and simple, the length of stay is short, the frequency of further consultation is less, the expense is less, and the device is highly compatible with the tissues of the human body, can be safely andreliably fixed, cannot fall apart due to external force, cannot affect the normal study, life, outing and the like of a diseased child, can be worn for a long time, and has a remarkable treatment effect.