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Smile lines often form over time due to “repeated folding of the skin on the side of the mouth from smiling and facial movement,” says Joshua Zeichner, M.D., director of cosmetic and clinical ...
The nasolabial folds, commonly known as "smile lines" [1] or "laugh lines", [2] [self-published source] are facial features. They are the two skin folds that run from each side of the nose to the corners of the mouth. They are defined by facial structures that support the buccal fat pad. [3] They separate the cheeks from the upper lip.
This study found that open-mouth smiles can easily be mistaken for a sign of fear or contempt—the two lowest rated smiles were both pretty toothy. Better to go with no teeth, or just show your ...
Smile surgery or smile reconstruction is a surgical procedure that restores the smile for people with facial nerve paralysis. Facial nerve paralysis is a relatively common condition with a yearly incidence of 0.25% leading to function loss of the mimic muscles. [1] The facial nerve gives off several branches in the face.
The vermilion border (sometimes spelled vermillion border), also called margin or zone, is the normally sharp demarcation between the lip and the adjacent normal skin.It represents the change in the epidermis from highly keratinized external skin to less keratinized internal skin.
The aesthetic ideal of a mouth with youthful lips—shaped like a lozenge—features an upper lip with a pronounced Cupid's bow, and much fullness to each lip; however, such an ideal physiognomy declines with age, and the lips shrink and lose anatomic definition, as the lips sag, which affects the aesthetics of the smile, by revealing less of the teeth during a relaxed smile.
Morsicatio buccarum is a condition characterized by chronic irritation or injury to the buccal mucosa (the lining of the inside of the cheek within the mouth), caused by repetitive chewing, biting, or nibbling.
In dentistry, the linea alba (from Latin 'white line') [1] is a horizontal streak on the buccal mucosa (inner surface of the cheek), level with the occlusion (biting plane). ). It usually extends from the commissure to the posterior teeth, and can extend to the inner lip mucosa and corners of the mo