Orthodontic smile: A new categorization of the perfect smile

Smile with a smile

Smiling during talking yields speech with higher formants, and hence larger formant dispersion. Previous studies have shown that motor resonance during perception of words related to smiling can activate muscles responsible for the smiling action. If word perception causes smiling activation for such smile-related words, then this motor resonance may occur also during production, resulting in l...

Smile Analyzer: A Software Package for Analyzing the Characteristics of the Speech and Smile

Taking into account the factors related to lip-tooth relationships in orthodontic diagnosis and treatment planning is of prime importance. Manual quantitative analysis of facial parameters on photographs during smile and speech is a difficult and time-consuming job. Since there is no comprehensive and user-friendly software package, we developed a software program called "Smile Analyzer" in the...

Orthodontic Surgical Treatment of Gummy Smile with Vertical Maxillary Excess

Clinical entity with several treatment options. Treatment of these cases requires extremely well-coordinated orthodontic and surgical treatment planning and execution. This is a case report of 30 year old female adult patient who presented with skeletal class II malocclusion with excessive vertical growth of maxilla. Vertical maxillary excess, thin alveolar troughs, proclined upper and lower an...

A winning smile? Smile intensity, physical dominance, and fighter performance.

The smile is perhaps the most widely studied facial expression of emotion, and in this article we examine its status as a sign of physical dominance. We reason, on the basis of prior research, that prior to a physical confrontation, smiles are a nonverbal sign of reduced hostility and aggression, and thereby unintentionally communicate reduced physical dominance. Two studies provide evidence in...

Tremors of the smile.