The Effect of Smile Designs on Aesthetic Perception

May 3, 2024 updated by: Aysegul Kurt, Trakya University

The Effect of Smile Designs Using the Digital Smile Design Program on Aesthetic Perception

The goal of this observational study is to examine the effect of designs using different aesthetic dental proportions made with the digital smile design program on the aesthetic perception of individuals of different ages, gender, and educational status.

The main questions it aims to answer are:

  1. The golden ratio is the most aesthetic ratio known and accepted in dentofacial structures.
  2. There is no significant difference between the aesthetic perception of dental students, dentists, specialist dentists and laypeople.

Participants will answer:

  • The first 5 questions related that demographic data such as age, gender, and educational status.
  • The smile designs of a woman and a man, prepared according to 8 different principles, will be evaluated by the participants according to the Likert scale.

Researchers will compare the 4th and 5th-grade students of a dentistry faculty, dentists, specialist dentists and laypeople to see the effect of smile design on facial aesthetic perception.

Study Overview

Status

Completed

Conditions

Study Type

Observational

Enrollment (Actual)

231

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Turkey
    • Edirne
      • Merkez, Edirne, Turkey, 22030
        • Trakya University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 70 years (Adult, Older Adult)

Accepts Healthy Volunteers

Yes

Sampling Method

Non-Probability Sample

Study Population

4th and 5th-grade students of a dentistry faculty: 4th and 5th-grade students at the university where the researcher works (Trakya University, Faculty of Dentistry)

Dentists and specialist dentists: Dentists and specialist dentists working in health institutions in the country where the researcher is located (Republic of Türkiye)

Laypeople: People who came to the dental faculty for treatment, relatives and friends of the researcher.

Description

Inclusion Criteria:

  • Anyone who can answer the survey online

Exclusion Criteria:

  • individuals under the age of 18

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Observational Models: Other
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort
4th-grade students of a dentistry faculty
5th-grade students of a dentistry faculty
Dentists
Specialist dentists
Laypeople

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Likert scale
Time Frame: 1 day (single measurement)
There are 5 rating levels on the Likerts scale: very ugly, ugly, unstable, beautiful, very beautiful. People in 5 different groups will evaluate different smile designs with a Likert scale according to their aesthetic perceptions.
1 day (single measurement)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Trakya University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

May 15, 2023

Primary Completion (Actual)

May 30, 2023

Study Completion (Actual)

May 31, 2023

Study Registration Dates

First Submitted

January 2, 2023

First Submitted That Met QC Criteria

January 3, 2023

First Posted (Actual)

January 4, 2023

Study Record Updates

Last Update Posted (Actual)

May 6, 2024

Last Update Submitted That Met QC Criteria

May 3, 2024

Last Verified

April 1, 2023

More Information

Terms related to this study

Other Study ID Numbers

  • TUTF-GOBAEK 2021/534

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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