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Lip injuries due to accidents, assault, and bite (animal/human) are relatively common but avulsion/amputation of lip by electrical machines is uncommon. These injuries have a considerable impact functionally, aesthetically, and psychologically. Since lip is one of the presenting features of the face, scar deformity is easily visible; functioning upper lip is important for speech and oral competence and hence, a meticulous and good repair is important.
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Parmar et al. (2024) studied this question.
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