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Reliability and Validity Evaluation of the Chin Augmentation With Medpor Using FACE-Q Scales Effectiveness

J Craniofac Surg. 2023 Mar 13. doi: 10.1097/SCS.0000000000009229. Online ahead of print.


BACKGROUND: Chin augmentation (CA) is important treatment modality for microgenia. The use of implantable alloplastic biomaterials in CA grows in popularity, and there is no verifiable documentation of patients’ satisfaction about CA with Medpor (CAWM) exists in the literature, this study examined effectiveness of CAWM by analyzing patient satisfaction.

METHODS: Patients had undergone CAWM were followed up postoperatively. Occurrence of complications was collected, patients’ satisfactions with chin shape and surgical decision were analyzed using FACE-Q scales, the reliability of operation was studied through analyzing the statistics, and the influences of sex and follow-up time on satisfaction were compared.

RESULTS: One hundred ten patients who had undergone CAWM received FACE-Q scales and 64 valid questionnaires were collected. 61 (95.3%) showed high satisfaction with chin shape after CAWM (Cronbach α coefficients were all above 0.8), the median values of satisfaction of chin shape and decision making were 85 (67, 100) and 100 (75,100), respectively. The median chin satisfactions of females and males were 87 (67, 100), 79 (61,100). The median chin satisfactions of patients had surgery before 2 years ago and within 2 years were 81 (67, 100), 87 (64,100), respectively. During the follow-up, among 110, 1 (0.91%) developed graft-related infection and 1 (0.91%) developed an allergic reaction, 1 (0.91%) underwent prosthesis removal because dissatisfaction with chin shape.

CONCLUSIONS: Chin augmentation with prothesis is a safe and efficacious way to improve microgenia. Medpor is the desired implant material with less infection, displacement and bone absorption, which is worthy of promotion and further study in CA surgery.

PMID:36917098 | DOI:10.1097/SCS.0000000000009229

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