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 Experiment Videos

Mixed dentition analysis for Hong Kong Chinese

K K Yuen1, E L Tang, L L So

  • 1Department of Health, Government of Hong Kong Special Administrative Region, China.

The Angle Orthodontist
|March 21, 1998
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Postoperative stereotactic radiotherapy for brain metastases: results from a single-center retrospective analysis.

Clinical & experimental metastasis·2025
Same author

Picture-in-picture video demonstration of systematic transperineal prostate biopsy.

Hong Kong medical journal = Xianggang yi xue za zhi·2021
Same author

A retrospective study on risk assessment and management of forensic psychiatric inpatients in Hong Kong.

Behavioral sciences & the law·2020
Same author

Real-world treatment patterns and outcomes in refractory metastatic colorectal cancer.

Asia-Pacific journal of clinical oncology·2019
Same author

Compulsory Admission in Hong Kong: Balance between Paternalism and Patient Liberty.

East Asian archives of psychiatry : official journal of the Hong Kong College of Psychiatrists = Dong Ya jing shen ke xue zhi : Xianggang jing shen ke yi xue yuan qi kan·2018
Same author

Validation of the "Security Needs Assessment Profile" for measuring the profiles of security needs of Chinese forensic psychiatric inpatients.

International journal of law and psychiatry·2017
Same journal

Impact of cone-beam computed tomography image quality on artificial intelligence-driven three-dimensional tooth segmentation and evaluation of external apical root resorption.

The Angle orthodontist·2026
Same journal

Bracket transfer accuracy of two three-dimensionally printed lingual indirect bonding trays with different bracket frame designs.

The Angle orthodontist·2026
Same journal

Biomechanical impact of beveling design on extrusion of a maxillary canine and a maxillary first molar: an in vitro and finite element analysis study.

The Angle orthodontist·2026
Same journal

Effectiveness of resin-modified glass ionomer vs composite bonding agents for orthodontic bonding: a single-center randomized controlled trial.

The Angle orthodontist·2026
Same journal

Plastic deformation evaluation of clear aligners exposed to different cleaning solutions.

The Angle orthodontist·2026
Same journal

Quantitative evaluation of an artificial intelligence-driven remote monitoring system for occlusion assessment using patient-captured images.

The Angle orthodontist·2026
See all related articles

New prediction equations for canine and premolar tooth size in Hong Kong Chinese children were developed using lower incisor measurements. These equations improve accuracy in mixed dentition analysis for this population.

Area of Science:

  • Dentistry
  • Orthodontics
  • Anthropology

Background:

  • Accurate prediction of tooth size is crucial for orthodontic diagnosis and treatment planning, especially during mixed dentition stages.
  • Existing prediction methods may not be precise for all ethnic groups, necessitating population-specific models.
  • The mesiodistal crown diameters of permanent teeth are key metrics in dental anthropometry.

Purpose of the Study:

  • To generate simple linear regression equations for predicting the combined mesiodistal crown diameters of canines and premolars based on lower incisor size.
  • To investigate sex differences in tooth size and regression equations within a Hong Kong Chinese population.
  • To provide improved prediction tools for mixed dentition analysis in southern Chinese individuals.

Main Methods:

Related Experiment Videos

  • Simple linear regression analyses were performed on data from 97 Hong Kong Chinese individuals (aged 12.31 years).
  • Mesiodistal crown diameters of permanent teeth were measured using calipers to the nearest 0.01 mm.
  • Correlation coefficients, regression coefficients, R2 values, standard errors of estimate, and absolute mean errors were calculated.

Main Results:

  • Significant sex differences were observed in the combined canine-premolar diameters and regression equations.
  • Correlation coefficients between canine-premolar and lower incisor diameters ranged from 0.65 to 0.79.
  • Prediction models for females were found to be less precise than those for males, with varying R2 values and error metrics.

Conclusions:

  • Population-specific prediction equations and probability tables for canine and premolar tooth size based on lower incisors were successfully generated for Hong Kong Chinese.
  • These new models differ from existing ones (e.g., Tanaka and Johnston) and offer improved accuracy for mixed dentition analysis in southern Chinese.
  • The findings highlight the importance of considering ethnic and sex variations in dental anthropometric predictions.