Evidence map›Paper›PMID 37184614›Full record

ArticleClinical oral investigations2023

Three-dimensional relationship between the degree of bilateral impacted mandibular third molars angulation and the mandibular dental arch parameters: a cross-sectional comparative study.

Ohood Haider, Mufeed Ahmed Sharaf, Abbas Ahmed Abdulqader, Najah Alhashimi, Hasan M Sharhan, Chen Chen, Waleed Alsoufi, Zeng Yun Ting, Xiao Li Wei, Maged S Alhammadi

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Article in Clinical oral investigations, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
1.3field-weighted citation impact, top 21% 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

2 citing papers in PubMed, 5 citations in OpenAlex.

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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

10 authors at 7 institutions in 4 countries.

Ohood HaiderDepartment of Orthodontics, Medical Center of Stomatology, Second Xiangya Hospital, Central South University, Changsha, China.
Mufeed Ahmed SharafDepartment of Orthodontics, Faculty of Dentistry, Ibb University, Ibb, Yemen.
Abbas Ahmed AbdulqaderDepartment of Orthodontics, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China.
Najah AlhashimiUnit and Divisional Chief Orthodontics at Hamad Medical Corporation; Associate professor, College of Dental Medicine, Qatar University, Doha, Qatar.
Hasan M SharhanDepartment of Orthodontics and Dentofacial Orthopedics, College of Dentistry, Lanzhou University, Lanzhou, China.
Chen ChenDepartment of Orthodontics, Medical Center of Stomatology, Second Xiangya Hospital, Central South University, Changsha, China.
Waleed AlsoufiDepartment of Orthodontics, Medical Center of Stomatology, Second Xiangya Hospital, Central South University, Changsha, China.
Zeng Yun TingDepartment of Orthodontics, Medical Center of Stomatology, Second Xiangya Hospital, Central South University, Changsha, China.
Xiao Li WeiDepartment of Orthodontics, Medical Center of Stomatology, Second Xiangya Hospital, Central South University, Changsha, China. xiao_lw@csu.edu.cn.
Maged S AlhammadiOrthodontics and Dentofacial Orthopedics, Department of Preventive Dental Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia.
Second Xiangya Hospital of Central South University · CNCentral South University · CNJazan University · SAQatar University · QASichuan University · CNThamar University · YEZhejiang University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveThe purpose of this study was to three-dimensionally evaluate the relationship between the degree of bilateral impacted mandibular third molar (IM3M) angulation and the mandibular dental arch parameters in normal skeletal and dental malocclusion patients. MATERIALS AND

methodsIn this retrospective cross-sectional comparative study, 120 adult subjects' cone-beam computed tomography (CBCT) images were three-dimensionally analyzed. The sample included 120 adults aged 20-30 years, with a gender distribution of 51 male and 69 female participants. The sample was divided into 100 adults with bilateral IM3M (study group) and 20 adults with normal bilateral erupted M3M (control group). The study group was sub-divided into three groups according to the degree of IM3M buccolingual angulation (BL°): group A, < 12° on the center of the ridge (N = 30), group B, 12-24° off-center of the ridge (N = 40), group C, > 24° off-center of the ridge (N = 30). The study group was also sub-divided into two groups according to IM3M mesiodistal angulation (MD°): group 1 from 10 to 45° (N = 36), group 2 > 45° (N = 64). Comparison within and between groups was performed using one-way ANOVA followed by Tukey's post hoc test. The correlation between IM3M, BL, and MD angulation and the mandibular arch parameter was calculated using Pearson's correlation coefficient.

resultsStatistically significant differences (P < 0.001) were found between the IM3M BL° and anterior teeth inclination, arch length (AL), and inter-second molar width (inter 2

conclusionThe degree of buccolingual and mesiodistal angulation of the impacted mandibular third molars was related with mandibular dentoalveolar changes. Increased buccolingual angulation is generally associated with increased anterior teeth inclination and decreased 1 CLINICAL RELEVANCE: Assessment of the relationship between the impacted mandibular third molars and the degree of arch discrepancy, and the position of mandibular incisors in the three planes of space might help in the decision-making process for the extraction of the impacted third molars in adult patients.

Indexed as

MalocclusionTooth, ImpactedAdultCone-Beam Computed TomographyCross-Sectional StudiesDental ArchFemaleHumansMaleMandibleMolarMolar, ThirdRetrospective StudiesBuccolingualDental arch parametersImpacted mandibular third molarsMesiodistalRelationshipThree-dimensional

Identifiers

PMID37184614
OpenAlexW4376618542

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Registered trials

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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.