Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Assessment of the Mouth01:26

Assessment of the Mouth

308
A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
308
Reliability and Validity01:29

Reliability and Validity

12.8K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
12.8K
Self-Report Tests of Personality01:22

Self-Report Tests of Personality

408
Self-report inventories are objective personality assessments that use multiple-choice items or numbered scales, typically ranging from 1 (strongly disagree) to 5 (strongly agree). They are often called Likert scales after Rensis Likert. These inventories are widely used due to their ease of administration and cost-effectiveness. One of the most prominent examples is the Minnesota Multiphasic Personality Inventory (MMPI), initially developed in the 1940s to assess abnormal personality traits.
408
Uniform Distribution01:19

Uniform Distribution

5.2K
The uniform distribution is a continuous probability distribution of events with an equal probability of occurrence. This distribution is rectangular.
Two essential properties of this distribution are
5.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Patient-reported outcomes after facial skin cancer surgery: A prospective multicentre cohort study.

Journal of the European Academy of Dermatology and Venereology : JEADV·2026
Same author

Environmental impact of orthodontic treatment: a simplified fast-track comparative life-cycle impact assessment of self-ligating metal brackets and clear aligners.

European journal of orthodontics·2026
Same author

Incidental Exfoliation of a Natal Tooth During Impression Making for Nasoalveolar Molding in an Infant With Cleft Lip and Palate.

The Cleft palate-craniofacial journal : official publication of the American Cleft Palate-Craniofacial Association·2026
Same author

An Innovative Roll-on Bracket Design to Reduce Friction in Sliding Mechanics: A Finite Element Analysis.

Contemporary clinical dentistry·2026
Same author

Impact of three types of presurgical infant orthopedics on nasolabial appearance in unilateral cleft lip and palate: a 4-year follow-up study.

The Angle orthodontist·2026
Same author

A Humanized Bone Metastasis Model: <i>Ex Vivo</i> and <i>In Vivo</i> Applications.

Tissue engineering. Part C, Methods·2026

Related Experiment Video

Updated: Aug 7, 2025

Investigating the 'Uncatchable Smile' in Leonardo da Vinci's La Bella Principessa: A Comparison with the Mona Lisa and Pollaiuolo's Portrait of a Girl
07:14

Investigating the 'Uncatchable Smile' in Leonardo da Vinci's La Bella Principessa: A Comparison with the Mona Lisa and Pollaiuolo's Portrait of a Girl

Published on: October 4, 2016

7.0K

A novel pictorial smile chart: Reliability and validity.

Akhter Husain1, Ewald M Bronkhorst2, Hari Kishore Bhat3

  • 1Department of Orthodontics and Dentofacial Orthopaedics, and Centre for Craniofacial Anomalies, Yenepoya Dental College, Yenepoya (Deemed to be University), Mangalore, India.

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
|March 12, 2023
PubMed
Summary

A new smile analysis chart simplifies recording key smile parameters. This reliable and valid tool aids diagnosis, treatment planning, and research in orthodontics.

More Related Videos

Oral Health Assessment by Lay Personnel for Older Adults
08:47

Oral Health Assessment by Lay Personnel for Older Adults

Published on: February 2, 2020

12.9K
Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans
09:10

Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans

Published on: July 12, 2022

3.0K

Related Experiment Videos

Last Updated: Aug 7, 2025

Investigating the 'Uncatchable Smile' in Leonardo da Vinci's La Bella Principessa: A Comparison with the Mona Lisa and Pollaiuolo's Portrait of a Girl
07:14

Investigating the 'Uncatchable Smile' in Leonardo da Vinci's La Bella Principessa: A Comparison with the Mona Lisa and Pollaiuolo's Portrait of a Girl

Published on: October 4, 2016

7.0K
Oral Health Assessment by Lay Personnel for Older Adults
08:47

Oral Health Assessment by Lay Personnel for Older Adults

Published on: February 2, 2020

12.9K
Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans
09:10

Precision of In Vivo Quantitative Tooth Wear Measurement Using Intra-Oral Scans

Published on: July 12, 2022

3.0K

Area of Science:

  • Orthodontics
  • Dentofacial aesthetics
  • Diagnostic tools

Background:

  • Smile analysis is crucial for assessing a patient's smile.
  • Existing methods may not efficiently capture all relevant smile parameters.
  • A need exists for a simple, comprehensive tool for smile analysis.

Purpose of the Study:

  • To develop a simple pictorial chart for smile analysis.
  • To assess the reliability and validity of this novel smile chart.

Main Methods:

  • A graphical chart was developed by orthodontists and reviewed by peers.
  • The chart analyzes facial, perioral, and dentogingival zones using 8 continuous and 4 discrete variables.
  • The chart was tested on photographs of young and older adults, with measurements repeated by two observers.

Main Results:

  • High inter-observer reliability (correlation coefficients 0.753-0.999) and intra-observer reliability (0.860-1.000) were observed.
  • Kappa scores for discrete variables indicated perfect agreement.
  • The chart demonstrated sensitivity in detecting age-related smile differences, with significant findings in philtrum height, mandibular incisor visibility, upper lip fullness, and buccal corridor visibility (P < 0.001).

Conclusions:

  • The developed smile chart is a simple, reliable, and valid tool for recording essential smile parameters.
  • This chart can effectively aid in diagnosis, treatment planning, and orthodontic research.
  • The tool demonstrates good face and content validity for clinical application.