Delayed eruption of permanent teeth during the replacement period is relatively common in clinical practice; however, impaction of the mandibular first molar is rare. There are various causes of delayed eruption of permanent teeth such as odontogenic cysts and tumors. This article describes the management of two odontogenic tumors that caused the delayed eruption of the mandibular first molar. In Case 1, an eight-year-old boy was diagnosed with an unerupted right mandibular first and second molar that had an odontogenic tumor around them. Radiographic examination revealed well-defined unilocular radiolucency with impacted first and second molars and scattered radiographic opaque images at the right mandibular. The lesion was completely curettaged with extraction of the second molar, and the first molar was fenestrated. Pathological microscopic examination provided the diagnosis as an ameloblastic fibro-odontoma. In Case 2, an 11-year-old boy was diagnosed with an unerupted right mandibular first molar that had an odontogenic tumor around it. Radiographic examination revealed well-defined unilocular radiolucency with an impacted first molar and scattered radiographic opaque images at the right mandibular The lesion was completely curretaged, and the first molar was fenestrated. Pathological microscopic examination provided the diagnosis of odontoma. Among these two cases, the preserved first molar erupted at each regular position. We demonstrated that even if an odontogenic tumor is present along with an impacted molar, removal of the tumor can result in the eruption of the impacted tooth.
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http://dx.doi.org/10.7759/cureus.66214 | DOI Listing |
Biochem Genet
January 2025
Posgraduate Program in Dentistry, Institute of Health Sciences, Fluminense Federal University, Nova Friburgo, RJ, Brazil.
To analyze whether the single-nucleotide polymorphisms (SNPs) in Matrix metalloproteinases 2, 3, and 9 (MMP2, MMP3, and MMP9), Tissue Inhibitor of Metalloproteinases 1 and 2 (TIMP1 and TIMP2), methionine synthase (MTR) and methionine synthase reductase (MTRR) influence delayed deciduous tooth eruption (DDTE). This cross-sectional study included 1060 biologic unrelated children (aged between 6 and 36 months) of both sexes, selected from 25 public schools in Nova Friburgo, Rio de Janeiro, Brazil. Oral examination was conducted and DDTE was defined by the absence of gingival eruption according to a chronology based on the Brazilian population.
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Allergy Unit, Allergo-Anaesthesia Unit, Hospital Universitario de la Cruz Roja, Madrid, Spain.
The risk of developing a severe delayed cutaneous reaction (SCAR) is very low following iodine-based contrast medium (ICM) administration and extremely low following gadolinium-based contrast agent (GBCA) administration. However, SCAR can be very severe and potentially life-threatening. It is crucial for the imaging physician to recognize danger signals: bullous skin eruption, skin erosion and detachment, mucosal involvement, systemic symptoms, and laboratory abnormalities.
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December 2024
Department of Endocrinology and Metabolism, The First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, China.
Short stature, joint hyperextension, ocular hypotension, Rieger abnormalities, and delayed tooth eruption (SHORT) syndrom is a rare primary autosomal dominant genetic disorder mainly caused by pathogenic loss-of-function variants in the phosphoinositide-3-kinase regulatory subunit 1 (PIK3R1) gene. We report the case of a Chinese adult female patient with SHORT syndrome, carrying a PIK3R1 gene variant (c.1945C > T), who developed abnormal glucose metabolism and severe postprandial insulin resistance over 9 years.
View Article and Find Full Text PDFSleep Med
December 2024
Department of Psychiatry & Division of Sleep Medicine, AIIMS Rishikesh, India.
Among the mental health outcomes and disaster types (determined by damage to life, property, long-term consequences, displacement, and unpredictability), floods are associated with anxiety and sleep problems, mudslides with anxiety and mood disturbance, volcanic eruptions with acute stress reactions, and earthquakes with anxiety, depression, and physical complaints. Disasters such as tunnel collapse are unique as it involves the healthy, without loss of personal property or displacement; hence, they can have very different health-related outcomes. In this study, we explore mental health and sleep-related issues in workers rescued from an under-construction collapsed tunnel trapped for 17 days.
View Article and Find Full Text PDFBMC Oral Health
December 2024
Dental Sciences Graduate Program. Federal University of Espirito Santo (UFES), Avenida Maruípe 1468, Maruípe, Vitória, 29040-090, ES, Brazil.
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