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Aust Orthod J. 2013 May;29(1):96-104.

Aesthetic perception and factors associated with dentofacial midline awareness.

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  • 1Guanghua School of Stomatology, Institute of Stomatological Research, Sun Yat-sen University, Guangzhou, China.

Abstract

AIMS:

To examine orthodontic patients' aesthetic perception and factors likely to influence the detection of a dentofacial midline discrepancy.

METHODS:

An electronic questionnaire was designed to invite an orthodontic population to evaluate and select an ideal value, a detectable value and a tolerable value from a series of images exhibiting a dentofacial midline discrepancy. A binary logistic regression analysis was performed to evaluate possible influencing factors.

RESULTS:

A barely discernabe dentofacia midline discrepancy ranged between -0.020 +/- 0.38 mm. The personal characteristics of the evaluators appeared to have no appreciable effect at this level. A detectable value was 1.33 +/- 0.63 mm and the education level, orthodontic history and malocclusion severity were influencing factors amongst the assessors. A tolerable value was 2.63 +/- 0.94 mm and influencing factors included the education level and the malocclusion severity of the evaluators.

CONCLUSION:

The barely discernable value, detectable value and tolerable value could be used to quantify the aesthetic perception of orthodontic patients regarding a dentofacia midline discrepancy. The aesthetic perception was influenced by observer education level, orthodontic history and personal malocclusion severity, but not by age, gender, and subjective evaluation of dentofacial appearance.

PMID:
23785943
[PubMed - indexed for MEDLINE]
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