context periodontal plastic surgery can help people improve their lives by addressing aesthetic parameters of their smile. much of what comprises a beautiful and appealing smile is influenced by emotion and personality; however, many structural elements of a smile can be improved through surgical intervention. evidence acquisition the end result often lends significant support to people who wis...

OBJECTIVE The present study is intended to add a new parameter that would be useful in orthodontic clinical evaluation, treatment planning, and determination of vertical dimension (at occlusion). MATERIALS AND METHODS Standardized videographic recording of 79 subjects during posed smile was captured. Each video was then cut into 30 photos using the free studio software. The widest commissure-...

A smile is visually highly salient and grabs attention automatically. We investigated how extrafoveally seen smiles influence the viewers' perception of non-happy eyes in a face. A smiling mouth appeared in composite faces with incongruent non-happy (fearful, neutral, etc.) eyes, thus producing blended expressions, or it appeared in intact faces with genuine expressions. Attention to the eye re...

UNLABELLED Few studies have related the common oral health related quality of life (OHRQoL) impacts in children to perceived causes. OBJECTIVE To assess the prevalence, extent and intensity of oral impacts in relation to perceived clinical conditions in primary school children in South Africa. METHODS Cross-sectional study of a random sample of children attending 26 schools. The Child Oral ...

Previous research suggests that action language is comprehended by activating the motor system. We report a study, investigating a critical question in this research field: do negative sentences activate the motor system? Participants were exposed to sentences in the affirmation and negation forms while the zygomatic muscle activity on the left side of the face was continuously measured (Electr...

Across four studies, the current paper demonstrates that smiles are associated with lower social status. Moreover, the association between smiles and lower status appears in the psychology of observers and generalizes across two forms of status: prestige and dominance. In the first study, faces of fashion models representing less prestigious apparel brands were found to be more similar to a can...

Dialectically sharing knowledge everywhere, every time and, above all, very fast – as it is nowadays possible-has revealed the existence and importance of a common, distributed intelligence growing with the contribution of many individuals (a community). The iterating refinement of any information resource by a wider and wider community of sharers leads to undoubted advantages on the final qual...

Why is a face with a smile but non-happy eyes likely to be interpreted as happy? We used blended expressions in which a smiling mouth was incongruent with the eyes (e.g., angry eyes), as well as genuine expressions with congruent eyes and mouth (e.g., both happy or angry). Tasks involved detection of a smiling mouth (perceptual), categorization of the expression (semantic), and valence evaluati...

semiformal dress may have introduced some bias. For example, the higher preferences for the semiformal nonsmiling doctor may have arisen by its association with a smile on another photograph. Ideally each dress style would have been presented with a smiling and non-smiling version, or the smiling option should have been randomly associated with any of the dress styles. Although these results ar...