2results about How to "Avoid photodamage" patented technology

The invention discloses peroxide triglyceride rich in azelaic acid as well as a preparation method and application of the peroxide triglyceride. The preparation method of the peroxide triglyceride rich in azelaic acid comprises the following steps: S1, mixing oleic acid and triglyceride, introducing mixed gas of ozone and oxygen under a stirring condition, and reacting at 20-30 DEG C for 8-14 hours to obtain an intermediate product; and S2, introducing oxygen into the intermediate product at 70-95 DEG C, and reacting for 6-10 hours to obtain the peroxide triglyceride rich in azelaic acid. According to the preparation technology disclosed by the invention, mutual dissolution of azelaic acid and oil is realized, and the prepared peroxide triglyceride rich in azelaic acid has the effect of relieving inflammation, and can be used for preventing and repairing light damage, reducing color sink, reducing generation of pigments and promoting fading of the pigments. The composition can also be used for barrier repair of other diseases such as atopic dermatitis, wound surfaces and the like and prevention of color subsidence; the air permeability is better, the usability is good, and basically no side effect exists.

This invention belongs to the field of orthodontic instrument technology, specifically a periodontal targeted near-infrared light bimaxillary therapy device that protects tooth crowns. It includes a protective brace and a bimaxillary irradiation device. The protective brace includes a maxillary protective brace and a mandibular protective brace, each comprising a lingual plate and a labial plate. The labial plate includes a cervical sleeve and a receiving groove. The bimaxillary irradiation device includes an outer irradiation plate, an inner irradiation plate, and a flexible occlusal plate. Near-infrared laser lamps are installed on the outer and inner irradiation plates. This invention achieves simultaneous irradiation of the labial and lingual periodontal tissues of both jaws, significantly improving orthodontic efficiency. It can simultaneously irradiate the entire periodontal area of ​​both jaws in a single treatment, eliminating the need for separate upper and lower jaw procedures, shortening treatment time, achieving simultaneous activation of all periodontal tissues, and improving tooth movement efficiency. The bimaxillary irradiation device uses precise lamp placement according to the periodontal ligament area, working in conjunction with the protective brace to fully cover the protective crown, synergistically avoiding thermal and light damage.