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  • Smile aesthetics...

Smile aesthetics significantly impacted by posterior smile line and most posterior teeth displayed

Written By : Dr. Shravani Dali |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2022-10-19T05:45:44+05:30  |  Updated On 19 Oct 2022 2:27 PM IST
Smile aesthetics significantly impacted by posterior smile line and most posterior teeth displayed
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According to a new study Smile aesthetics is significantly impacted by posterior smile line and most posterior teeth displayed. Further Maxillary posterior gingiva and teeth displayed influence smile attractiveness as evaluated by laypersons.

The study has been published in the International Dental Journal.

A harmonious smile plays an undeniable role in facial attractiveness, which exerts an important influence on personal self-esteem and social activities. Even tiny imperfections in dental and gingival aesthetics may compromise the whole smile attractiveness, thus adversely affecting facial appearance and related psychological behaviour. An aesthetic smile is a harmonious entity formed by fundamental components including teeth, gingiva, lips, and spaces.

The aim of this research was to establish standard norms for posterior smile-related characteristics including posterior smile line (PSL), the most posterior teeth displayed, buccal corridor ratio (BCR), and buccal corridor symmetry (BCS) and investigate its aesthetic contributions to smile attractiveness in a Chinese population.

From digitally recorded dynamic smile videos of young Chinese participants, 188 standardised full-smile images were captured and then aesthetically evaluated by 22 laypersons using a visual analog scale (VAS). Four smile-related variables in the posterior region were analysed. VAS data were compared between subgroups to test the influence of these variables on smile aesthetics with significance level of P < .05.

Results

  • The VAS scores of participants with high PSL were significantly lower than those with average or low PSL (P < .01), especially when they display average or low anterior smile line (P < .05).
  • Smiles with the second premolar displayed obtained the highest VAS amongst the 3 subgroups (P < .05).
  • No significant differences were found between the VAS scores of BCR and BCS (P > .05).

Maxillary posterior gingiva and teeth displayed influence smile attractiveness evaluated by laypersons, which should be given attention when treating patients with compromised aesthetics, especially those displaying average or low anterior smile lines.

Reference:

Ning Wei, Cui Wang, Yanling Zhang, Yiping Wei, Wenjie Hu, Xu Yang, Kwok-Hung Chung, The Influence of the Maxillary Posterior Region on Smile Aesthetics in a Chinese Cohort, International Dental Journal, Volume 72, Issue 5, 2022, Pages 659-666, ISSN 0020-6539, https://doi.org/10.1016/j.identj.2022.02.004

International Dental JournalMaxillary posteriorgingivateeth
Source : International Dental Journal
Dr. Shravani Dali
Dr. Shravani Dali

    Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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