ArticleBMC oral health2022
Accuracy of two orthodontic mini-implant templates in the infrazygomatic crest zone: a prospective cohort study.
Article in BMC oral health, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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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.
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.
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Who cites it
5 citing papers in PubMed.
- Bone-Screw-Force Interactions in Palatal Orthodontic Mini-Implants: A Scoping Review and Decision Framework for Primary Stability and Biomechanically Driven Site Selection.Journal of functional biomaterials · 2026Review
- An in vitro study of a combined patient-specific device for safe and accurate insertion of infrazygomatic crest miniscrews.The Angle orthodontist · 2025Article
- The Fabrication of a Customized Surgical Template for a Miniscrew Placement Using a Fully Digitized Process.Cureus · 2024Article
- Accuracy of Palatal Orthodontic Mini-Implants Placed Using Fully Digital Planned Insertion Guides: A Cadaver Study.Journal of clinical medicine · 2023Article
- Can computer-guided surgery help orthodontics in miniscrew insertion and corticotomies? A narrative review.Frontiers in oral health · 2023Review
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundIn the clinic, most computer-aided design and manufacturing orthodontic mini-implant guides are suitable for the position between the tooth roots, and few templates are designed and used for the infrazygomatic crest zone. In this study, we took into account the structure of the infrazygomatic crest and 3D printing technology, developed two kinds of templates, and evaluated their clinical effects.
methodsSeventeen patients who accepted 30 mini-implant insertions in the infrazygomatic crest were selected. According to different implantation methods, three groups were divided. In Groups A and B, the mini-implants were positioned with an A-type or B-type template designed by EXOCAD software. In Group C, the mini-implants were inserted by an experienced orthodontist without any guides. We simulate the bucco-palatal, mesio-distal, and vertical head positions in the Segma implant guide software and measure the deviation from the virtual design position of the mini-implant. The linear deviation of the mini-implant tip and cap and the angular deviation of the long axis of the mini-implant in the bucco-palatal direction, mesio-distal direction, and vertical direction were also measured. The results were statistically analysed by SPSS software.
resultsThe deviations of Group A and Group C's miniscrew cap in the bucco-palatal direction, Group A and Group B, Group A and Group C's miniscrew tip in the mesio-distal direction, and Group B and Group C's miniscrew tip and cap in the vertical direction were statistically significant (P < 0.05). There was a significant difference in the deviations of Group A and Group C's miniscrew tip and cap in the vertical direction (P < 0.01).
conclusionsIn the vertical direction, the accuracy of implantation with the template is higher than that of the traditional method without the template to avoid piercing the maxillary sinus mucosa in the infrazygomatic crest zone.
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