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Copyright of China Journal of Oral & Maxillofacial Surgery is the property of Shanghai Jiao Tong University, College of Stomatology and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Facial rejuvenation is a method to restore young appearance by adopting various treatment methods according to the different manifestations of facial aging. It mainly includes two categories: surgical and non-surgical. In recent years, Chinese plastic surgeons have contributed new concepts and methods into the field of facial rejuvenation，mainly in upper and lower blepharoplasty and rhytidectomy. [ABSTRACT FROM AUTHOR]

Objective To assess the safety and feasibility of incision in the retroauricular sulcus for removal of benign tumors in the lower pole of the parotid gland and to provide some ideas for aesthetic consideration of parotidectomy. Methods In total, 18 cases with benign tumors of the lower pole regions of the parotid gland were included in this study, including 9 pleomorphic adenomas, 2 myoepitheliomas, 5 Warthin tumors, 1 basal cell adenoma and 1 oncocytoma. Three months after the operation, facial paralysis and salivary fistula were assessed. A visual analog scale was used to score the cosmetic satisfaction of the surgical incision. Tumor recurrence was followed up 6 ~ 12 months after operation. Results In 18 patients with benign tumors the lower pole regions of the parotid gland, the tumor diameter ranges from 1.0 to 3.1 cm, with an average value of 2.5 cm. All patients experienced successful complete removal of the parotid mass with the minimally invasive retroauricular approach, and all wounds healed in one stage after operation. No serious complications, such as permanent facial paralysis and tumor recurrence, occurred 3 months after the operation. The patients were satisfied with the appearance of the surgical incision (aesthetic score 9.3 ± 0.4), achieving the expected aesthetic effect. Conclusion This approach is feasible and safe for most small benign parotid tumors located in the lower pole region of the parotid gland and in the posterior region of the jaw. The scar is located in the retroauricular sulcus, which significantly meets the aesthetic needs of the concealed incision for patients.

Objective To compare the influence of three kinds of preauricular incision on scar formation and tragus morphology in high-SMAS rhytidectomy. Methods The medical record data of 42 patients (84 sides) who underwent SMAS rhytidectomy from 2012 to 2016 was retrospectively analyzed. According to the differences in preauricular incisions, all patients were divided into 3 groups: a straight-line incision (SLI) group, a curve line incision (CLI) group, and a tragus margin incision (TMI) group. The scars of the incisions were observed and the height of the tragus was compared before and after operation. Results (1) All incision scars in the 3 groups were linear. No hypertrophic scars or keloids formed. The scars in the SLI group were more obvious than in the other 2 groups because the incisions were away from the tragus. (2) The height of the tragus in the SLI and CLI groups was not decreased, but decreased in the TMI group postoperatively (P<0.05). Conclusion Using a preauricular CLI incision had little influence on the height of the tragus, and the postoperative scar was not obvious. This method was better than the other 2 incision methods. [ABSTRACT FROM AUTHOR]