Aesthetic plastic surgery · 2022
Perception of the Nose and Lower Face Before and After Orthognathic Surgery in Subjects with Dento-maxillofacial Deformities: An Eye-Tracking Study.
СтатьяНазвание и аннотация: Перевод в очереди
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Liu Kai, Zhang Chen, Zhang Yujie, Wang Xinxi, Guo Yuxiang, Wang Xudong
Аннотация
BACKGROUND: Dento-maxillofacial deformities are often associated with nasal deviation, and patients often complain of nasal deviation after orthognathic surgery. This study aimed to quantitatively evaluate the facial visual attention given to dento-maxillofacial deformities accompanying nasal deviation from the perspective of patients and determine whether orthognathic surgery could alter this outcome.
METHODS: The scanning paths of 137 patients were recorded using an eye-tracking device; recordings were made while the patients viewed images of dento-maxillofacial deformities associated with various degrees of nasal deviation before or after orthognathic surgery. Visual attention focused on the lower face and nose was analyzed.
RESULTS: When viewing postoperative faces, the participants focused more visual attention on noses and less on the lower face than they did on preoperative faces. Interestingly, for preoperative faces, nasal deviation could significantly increase participants' visual attention to the lower face, and visual attention to noses was significantly increased when noses were deviated 12°, while for postoperative faces, a nasal deviation of 4° or more was associated with a significant increase in participants' visual attention to the nose.
CONCLUSIONS: Patients tended to focus their visual attention on the lower region of preoperative faces and ignored nose irregularities. Orthognathic surgery can alter visual attention, shifting it from the lower face to the nose, and a deviation of 4° or more could be a potential concern for patients. Clinicians must inform patients preoperatively about preexisting nasal deviations, which can guide surgical planning and help manage patient expectations.
LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
METHODS: The scanning paths of 137 patients were recorded using an eye-tracking device; recordings were made while the patients viewed images of dento-maxillofacial deformities associated with various degrees of nasal deviation before or after orthognathic surgery. Visual attention focused on the lower face and nose was analyzed.
RESULTS: When viewing postoperative faces, the participants focused more visual attention on noses and less on the lower face than they did on preoperative faces. Interestingly, for preoperative faces, nasal deviation could significantly increase participants' visual attention to the lower face, and visual attention to noses was significantly increased when noses were deviated 12°, while for postoperative faces, a nasal deviation of 4° or more was associated with a significant increase in participants' visual attention to the nose.
CONCLUSIONS: Patients tended to focus their visual attention on the lower region of preoperative faces and ignored nose irregularities. Orthognathic surgery can alter visual attention, shifting it from the lower face to the nose, and a deviation of 4° or more could be a potential concern for patients. Clinicians must inform patients preoperatively about preexisting nasal deviations, which can guide surgical planning and help manage patient expectations.
LEVEL OF EVIDENCE IV: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .