Evidence map›Paper›PMID 33238983›Full record

ArticleBMC medical education2020

The effect of 3D-printed plastic teeth on scores in a tooth morphology course in a Chinese university.

Helin Wang, Haokun Xu, Junhua Zhang, Shibin Yu, Meiqing Wang, Jun Qiu, Mian Zhang

Open access · goldAbstract read
In one paragraph

Article in BMC medical education, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
0.9field-weighted citation impact, top 15% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 20 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. 3D Printing in Dental Education: A Scoping Review.Medical principles and practice : international journal of the Kuwait University, Health Science Centre · 2026
    Article
  6. Applications of 3D-printed teeth in dental education: A narrative review.Journal of Taibah University Medical Sciences · 2024
    Review
  7. Article
  8. Article
  9. Visualizing Anatomy in Dental Morphology Education.Advances in experimental medicine and biology · 2023
    Article
  10. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

Helin WangState Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Oral Anatomy and Physiology, The Third Affiliated Hospital of the Fourth Military Medical University, 145 Changlexi Road, Xi'an, 710032, Shaanxi, China.
Haokun XuDepartment of Medical Education, The Third Affiliated Hospital of the Fourth Military Medical University, 145 Changlexi Road, Xi'an, 710032, Shaanxi, China.
Junhua ZhangState Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Oral Anatomy and Physiology, The Third Affiliated Hospital of the Fourth Military Medical University, 145 Changlexi Road, Xi'an, 710032, Shaanxi, China.
Shibin YuState Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Oral Anatomy and Physiology, The Third Affiliated Hospital of the Fourth Military Medical University, 145 Changlexi Road, Xi'an, 710032, Shaanxi, China.
Meiqing WangState Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Oral Anatomy and Physiology, The Third Affiliated Hospital of the Fourth Military Medical University, 145 Changlexi Road, Xi'an, 710032, Shaanxi, China.
Jun QiuDepartment of Medical Education, The Third Affiliated Hospital of the Fourth Military Medical University, 145 Changlexi Road, Xi'an, 710032, Shaanxi, China. qiujun@fmmu.edu.cn.
Mian ZhangState Key Laboratory of Military Stomatology, National Clinical Research Center for Oral Diseases, Shaanxi International Joint Research Center for Oral Diseases, Department of Oral Anatomy and Physiology, The Third Affiliated Hospital of the Fourth Military Medical University, 145 Changlexi Road, Xi'an, 710032, Shaanxi, China. zhangmian1986@aliyun.com.ORCID http://orcid.org/0000-0003-2464-361X
Air Force Medical University · CN

Funding

the National Natural Science Foundation of China 81700995
6 · The paper itself

Abstract

backgroundThe tooth morphology course is an important basic dental course. However, it is difficult to fully reflect the three-dimensional (3D) morphological characteristics of tooth structure in two-dimensional pictures in traditional textbooks. The aim of this study was to assess the effect of 3D-printed plastic model teeth in the teaching of tooth morphology.

methodsTwenty-two undergraduate students who matriculated at the School of Stomatology, the Fourth Medical University, in 2014 and 23 who matriculated in 2016 participated in the study. Each student who matriculated in 2016 was given a full set of fourteen standard 3D-printed plastic model teeth for use during the learning process, and an anonymous questionnaire was used to evaluate the usefulness of the 3D-printed plastic model teeth from the perspective of the students.

resultsThere was no significant difference between the two groups in the scores of the theoretical examination or the total score. However, for the score of the sculpted gypsum teeth, the students who used the 3D-printed plastic model teeth in their studies scored significantly higher (P = 0.002). More than 90% of the students thought that the 3D-printed plastic model teeth were of great help or were very helpful for mastering the anatomy of teeth and for carving the gypsum teeth.

conclusionStandard 3D-printed plastic teeth can effectively assist students in learning tooth morphology by transforming two-dimensional pictures and descriptions in the textbook into a 3D conformation, effectively promoting students' learning and mastery of tooth morphology and structure. Additionally, the results suggest that 3D-printed plastic model teeth are of great help to the students in mastering and improving their carving skills.

Indexed as

PlasticsUniversitiesChinaEducation, DentalHumansPrinting, Three-DimensionalPlastics

Identifiers

PMID33238983
PMCPMC7691052
OpenAlexW3108764753

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.