ArticleProgress in orthodontics2023
Stress and movement trend of lower incisors with different IMPA intruded by clear aligner: a three-dimensional finite element analysis.
Article in Progress in orthodontics, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers, 1 of them a synthesis that pooled it.
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Who cites it
24 citing papers in PubMed, 1 synthesis or guideline pooled it, 29 citations in OpenAlex.
- [Advancements in biomechanics and orthodontic strategies for clear aligner therapy].Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology · 2026Pooled it
- The effect of an indirect anchorage reinforcement device on maxillary anterior intrusion with clear aligners: a three-dimensional finite element analysis and exploratory clinical validation.Progress in orthodontics · 2026Article
- Effects of lower central incisors's biomechanics at different mixed dentition stages using clear aligners for deep overbite treatment: a three-dimensional finite element analysis.BMC oral health · 2026Article
- Effectiveness of different intrusion protocols with clear aligner for maxillary anterior teeth in periodontitis: a finite element analysis.BMC oral health · 2026Article
- The effect of bite planes on deepbite correction with clear aligners.Clinical oral investigations · 2026Article
- Combined use of clear aligners and mini-screws for intrusion of the maxillary first and second molars before prosthetic restoration: a finite element analysis.BMC oral health · 2026Article
- Assessment of collum angle and alveolar bone plate thickness relative to tooth inclination in central incisors using CBCT: a retrospective cross-sectional study.BMC oral health · 2026Article
- Biomechanical Applications of Finite Element Analysis in Orthodontics: A Scoping Review of Force Distribution, Tooth Movement, and Mechanical Performance.Dentistry journal · 2026Review
- Effect of attachment wear on maxillary canine rotation in clear aligner therapy: a three-dimensional finite element analysis.BMC oral health · 2026Article
- Correction of the curve of spee using clear aligner therapy: A finite element analysis of three lower anterior intrusion protocols.PloS one · 2026Article
- Biomechanical analysis of maxillary incisor intrusion with clear aligners under different periodontal conditions: a finite element analysis.Frontiers in bioengineering and biotechnology · 2026Article
- Biomechanical effects of aligner trimline design and intrusion protocol on mandibular anterior teeth: a finite element study.BMC oral health · 2025Article
- Factors influencing fenestration and dehiscence in the anterior teeth after clear aligner treatment: a multicenter retrospective study.Progress in orthodontics · 2025Article
- Predictability of Lower Incisor Intrusion with Clear Aligners: A Systematic Review of Efficacy and Influencing Factors.Journal of clinical medicine · 2025Review
- The effects of anterior spaces on the intrusion of mandibular incisors with clear aligners in extraction cases: a finite-element analysis.BMC oral health · 2025Article
- Predictability of curve of Spee levelling and vertical tooth movements in the lower arch with clear aligners based on cone-beam computed tomography.Clinical oral investigations · 2025Article
- Effects of different corticotomy approaches on anterior retraction with clear aligners: a finite element study.BMC oral health · 2025Article
- Effects of torque overcorrection on mandibular incisor intrusion using clear aligners in the first premolar non-extraction and extraction conditions: a finite element analysis study.BMC oral health · 2025Article
- Expert consensus on the clinical strategies for orthodontic treatment with clear aligners.International journal of oral science · 2025Review
- Biomechanical analysis of clear aligners for mandibular anterior teeth intrusion and its clinical application in the design of new aligner attachment.Progress in orthodontics · 2025Article
Corrections and comments
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Authors and funding
9 authors at 1 institution in 2 countries.
Funding
Abstract
backgroundDuring the intrusion of lower incisors with clear aligners (CAs), root disengagement from the alveolar bone often occurs, resulting in serious complications. This study aimed to determine the potential force mechanism of the mandibular anterior teeth under the pressure of CA, providing theoretical data for clinical practice.
methodsIn this study, a 3D finite element model was established, including the CA, periodontal ligament, and mandibular dentition. Incisor mandibular plane angles were set as 5 groups: 90°, 95°, 100°, 105°, and 110°. The 4 mandibular incisors were intruded by 0.2 mm, while the canines were the anchorage teeth. The stress, force systems, and potential movement trends of mandibular anterior teeth were obtained.
resultsThe compressive stress of the incisors was concentrated in the lingual fossa, incisal ridge, and apex. With the increase in IMPA, the moment of central incisors changed from lingual crown moment to labial crown moment, with the turning point between 100° and 105°, but the center of resistance (CR) was always subjected to the force toward the lingual and intrusive direction. The force and moment toward the labial side of the lateral incisors were greater than those toward the central incisors. The canines always tipped distally and received extrusive force with no relationship with IMPA.
conclusionsWith the increase in the initial IMPA, the direction of labiolingual force on the mandibular incisors was reversed. However, the root of the lower incisors always tipped labially, which indicated fenestration and dehiscence.
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Registered trials
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.