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Background: Maxillary canine impaction can result in malocclusion, temporomandibular joint complications, and esthetic concerns, thus influencing craniofacial development. Although cases of impacted canines are not uncommon in clinical practice, the likelihood of simultaneous bilateral impaction is extremely low; very few reports have documented cases of bilaterally symmetrical, inversely impacted canines.
Case Presentation: This paper reports a rare case of maxillary canine impaction, a condition characterized by the abnormal eruption of teeth. Potential causes of this condition include genetic, systemic, and localized factors. We analyzed this condition in the skeletal remains of a Taiwanese girl aged 11-14 years. The skeleton, dating 440-598 AD, was recovered from central Taiwan in 2019. Through panoramic X-ray and dental cone-beam computed tomography, we constructed a three-dimensional model of the skull, which exhibited bilateral symmetrical, inversely impacted maxillary canines-a rare clinical observation. On the basis of the current understanding of the dental field, the treatment of maxillary canine impaction is time consuming and labor intensive. Different impacted canine teeth have different difficulty levels of treatment.
Conclusion: The archaeological data in this article show that 1500 years ago humans already had the problem of impacted canine teeth in the upper jaw. Moreover, bilaterally symmetrical maxillary canine impaction is very rare in clinical cases.
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http://dx.doi.org/10.1186/s13256-024-04977-3 | DOI Listing |
SAGE Open Med Case Rep
August 2025
Department of Medical and Life Sciences, La Ciénega University Center, University of Guadalajara (CUCIENEGA-UdeG), Ocotlán, Jalisco, Mexico.
In dental practice, impacted canines are common clinical conditions that compromise tooth mobility, thereby severely affecting functionality and esthetics. They also represent a significant challenge, particularly when associated with odontogenic pathologies such as dentigerous cysts and odontomas. These entities, despite benign, can cause complications, including tooth displacement, root resorption, and alterations in normal eruption, compromising both esthetics and function.
View Article and Find Full Text PDFSpec Care Dentist
September 2025
Interdisciplinary Department of Medicine, University of Bari Aldo Moro, Bari, Italy.
Introduction: The aim of this study is to report the case of nonclassical congenital adrenal hyperplasia (NCAH) observed in a female child, and to present the management of the surgical-orthodontic rehabilitation, through clinical and histological oral findings.
Method: A 13-year-old female was referred to our department for dental evaluation. The patient was affected by NCAH, confirmed by hormonal and genetic analysis from the age of 6 years, due to the appearance of premature pubic hair.
Maxillofac Plast Reconstr Surg
August 2025
Department of Orthodontics, Maxillofacial Unit, Kingston Hospital, London, United Kingdom.
Background: Postoperative stability is a significant problem in the orthognathic management of anterior open bite malocclusion. The general tendency of modern preadjusted fixed appliances is towards unwanted and unplanned extrusion of the maxillary incisor and canine teeth as the dental arch is levelling. Following surgical repositioning of the jaws, the relapse potential of the extruded anterior dentition will be to intrude, leading to some reopening of the surgically corrected anterior open bite.
View Article and Find Full Text PDFCase Rep Dent
August 2025
Nepalese Army Institute of Health Sciences, College of Medicine, Kathmandu, Nepal.
Dentigerous cysts are the second most prevalent type of odontogenic cyst, following radicular cysts, and are primarily associated with impacted teeth. These cysts are most commonly associated with impacted third molars and canines. Notably, approximately 5% of dentigerous cysts are found in conjunction with supernumerary teeth, predominantly mesiodens.
View Article and Find Full Text PDFInt Dent J
August 2025
Department of Orthodontics, Hamdan Bin Mohammed College of Dental Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, UAE. Electronic address:
Previously, automated cropping and a reasonable classification accuracy for distinguishing impacted and non-impacted canines were demonstrated. This study evaluates multiple convolutional neural network (CNN) architectures for improving accuracy as a step towards a fully automated software for identification of impacted maxillary canines (IMCs) in panoramic radiographs (PRs). Eight CNNs (SqueezeNet, GoogLeNet, NASNet-Mobile, ShuffleNet, VGG-16, ResNet 50, DenseNet 201, and Inception V3) were compared in terms of their ability to classify 2 groups of PRs (impacted: n = 91; and non-impacted: n = 91 maxillary canines) before pre-processing and after applying automated cropping.
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