A new supernumerary tooth occurring in the same region during follow-up after supernumerary tooth extraction: A case report

Objectives: The objective was to study the position and morphological characteristics of supernumerary teeth (ST) based on the cone beam computed tomography (CBCT) data to provide a reference for clinical diagnosis and treatment. Materials and Methods: CBCT imaging data and patient characteristics of 113 patients visiting our institution between January 2020 and January 2021 were collected and analyzed. The Chi square test was used to compare enumeration data between different groups, while the Student's t-test was used for measurement data. Results: Overall, 156 ST were found in 113 patients (82 men and 31 women). Among them, 73 patients had 1 ST, 37 had 2, and 3 had 3. The supernumeraries were maxillary and mandibular in 103 and 10 patients, respectively. A total of 136 teeth were found in the anterior area, of which 30 were in the midline region. Three teeth were in the premolar and molar regions. The teeth were mainly conical (118 teeth), followed by supplementary (24 teeth), tuberculate (10 teeth), and odontomatous (4 teeth), including 2 compound odontomas and 2 complex odontomas; 66 teeth were normally oriented, 62 were inverted, and 28 were transverse. There was a statistically significant relationship in ST between shape and arch, location and shape, and morphology and sagittal position and orientations (P < 0.05). Conclusion: CBCT is an essential tool for diagnosis, and it provides valuable information about the position and morphology of teeth, especially the relationship of teeth to adjacent structures objectively, stereoscopically, and comprehensively.

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A cone-beam computed tomography study of supernumerary teeth

Guo

Jumatai

Sun

et al. 2023

Digit Med

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A Third Supernumerary Tooth Occurring in the Same Region: A Case Report

et al. 2023

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The presence of a supernumerary tooth is one of the most common dental anomalies, and surgical treatment is often required to address this anomaly. Moreover, it may lead to malocclusion, and long-term follow-up is important to monitor its status. A 4-year-and-11-month-old boy was referred to our hospital for dental caries treatment. At 5 years and 5 months of age, a radiographic examination showed a supernumerary tooth (first supernumerary tooth) near the permanent maxillary left central incisor, and it was extracted 6 months later. Eighteen months after the extraction of the first supernumerary tooth, a new supernumerary tooth (second supernumerary tooth) was detected in the same region, which was extracted when the patient was aged seven years and seven months. Seven months later, another supernumerary tooth (third supernumerary tooth) was detected and extracted immediately. However, the permanent maxillary left central incisor did not erupt spontaneously even after 6 months. Therefore, surgical exposure was performed, and the central incisor erupted into the oral cavity. This report describes our experience with this patient with three metachronous supernumerary teeth and their management until the eruption of the permanent tooth. This report highlights the importance of long-term follow-up after supernumerary tooth extraction until the permanent teeth in that region have erupted completely.

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A Narrative Review of the Association between Dental Abnormalities and Chemotherapy

Akitomo,

Tsuge,

Mitsuhata

et al. 2024

JCM

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Dental abnormalities are often detected in childhood and are reported to occur with high prevalence in patients who have undergone cancer treatment or chemotherapy. We performed a literature search of PubMed from 2004 to 2024 using the terms “dental anomaly” and “panoramic examination”, and 298 potentially relevant articles were found. Thirty-one articles about dental abnormalities matched the eligibility criteria and were extracted for this review. Although the prevalence of tooth agenesis and microdontia in the general population was reported to be approximately 10% and 3%, respectively, the prevalence in patients who had undergone cancer treatment or chemotherapy was higher in all surveys, suggesting that the treatment is related to the occurrence of dental abnormalities. It is important to continue long-term follow-up with patients not only during treatment but also after the completion of treatment. Dental professionals should provide information about dental abnormalities to patients, their guardians, and medical professionals, which may lead to improvement in the quality of life of patients.

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A new supernumerary tooth occurring in the same region during follow-up after supernumerary tooth extraction: A case report

Cited by 4 publications

References 10 publications

A cone-beam computed tomography study of supernumerary teeth

A cone-beam computed tomography study of supernumerary teeth

A Third Supernumerary Tooth Occurring in the Same Region: A Case Report

A Narrative Review of the Association between Dental Abnormalities and Chemotherapy

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