In recent years, V-shaped face is becoming more and more popular among beauty-loving women. More and more beauty-loving women have undergone jaw angle removal surgery, and more and more doctors have joined the ranks of jaw angle removal. Due to the uneven technology, the lack of aesthetic awareness, and some negligence in operation irregularities, the surgery has resulted in some deviations, resulting in more and more people with jaw angle deformities waiting for repair. Therefore, jaw angle repair techniques are urgently required to become a mandatory course for plastic surgeons. The jaw angle defect repair needs attention: 1, the jaw angle defect patients, due to the loss of one side of the jaw angle, will inevitably bring the affected side of the bite muscle synchronous atrophy and lifting displacement, so the affected side of the defect is often not simply a hard tissue bone defect, but a composite tissue defect. The doctor must consider it comprehensively. 2, the longer the jaw angle defect, it will bring about the contraction of the soft tissue on the affected side, and the original position of the jaw angle is replaced by a considerable portion of soft tissue scar tissue. Therefore the space for placing the restoration will be affected to a certain extent. It must be re-expanded, which is more traumatic and may bring about delayed wound healing. 3. Since the angle of the jaw is located on the deep side of the face, simple x-rays and surface visual measurements often cannot accurately determine the amount of defect. Often, after opening the trauma, the surgeon’s visual inspection is used to determine the amount of implants, which often brings about a large error. 4. Because the implant must be fixed overlapping the original marginal bone of the jaw angle (to obtain firm stability), even if an implant of the exact size of the defect is placed, it can make the restoration site appear wider than the healthy side, making it an overkill. Therefore, if an implant must be placed, the outer plate of the mandible at the defect site must be polished to form a step that overlaps and fixes the implant tile. This is not only beneficial to the fixation of the implant, but also minimizes the secondary facial widening brought about by the implant. 5. Use prosthetic implants cautiously and use restorative means as little as possible until the last resort. If there are other alternative means, such as continuing forward along the position of the second mandibular angle to remove the bone block at the lower edge of the jaw is also one of the feasible methods.
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