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Smile esthetics: Impact of variations in the vertical and horizontal dimensions of the maxillary lateral incisors
A. Mohammad Hamdan, , , S. Abu-Alhuda,
Published in Dental Investigations Society
2017
Volume: 11
   
Issue: 4
Pages: 514 - 520
Abstract
Objective: The purpose of this study was to determine the perception of trained dental professionals and laypersons toward the esthetic impact of variations in the vertical position, width, and gingival height of the maxillary lateral incisor. Materials and Methods: The present study analyzed the perspective of smile photographs by dental professionals such as "fifty orthodontics and fifty general dental practitioners (GDPs)" as well as fifty laypersons, consisting of an equal number of male and female participants. Photographs edited to depict alteration of golden proportion, incisal length, and gingival height of lateral incisor. SPSS software was used to analyze the data and determine the significant difference within all the participants, at 0.05% level (95% confidence interval). Results: There was no significant difference in ranking between the genders. Golden proportion of 62%-67% were ranked the highest by orthodontists, whereas GDPs and laypersons preferred 67%. Regarding gingival display, corrected height of -0.5 and -1 mm received highest ranking from all the three groups. In case of lateral incisal length, -0.5 mm was ranked highest by laypersons, in contrast to -1 mm by orthodontists and GDPs. Conclusion: Specific differences were observed in the ranking of smile esthetics by health-care professionals and laypersons. Golden proportion of 62% and 67% were ranked the highest by orthodontists, whereas GDPs and laypersons preferred 67%. Corrected gingival height of -0.5 and -1 mm received highest ranking from all the three groups. In case of lateral incisal length, -0.5 mm was ranked highest by laypersons, in contrast to -1 mm by orthodontists and GDPs. © 2017 European Journal of Dentistry.
About the journal
JournalEuropean Journal of Dentistry
PublisherDental Investigations Society
ISSN13057456
Open AccessNo
Concepts (5)
  •  related image
    Gingival height
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    Golden proportion
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    Incisal length
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    Lateral incisor
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    Smile aesthetics