Transcriptome analysis of ankylosed primary molars with infraocclusion

Tong, Annie; Chow, Yuh-Lit; Xu, Katie; Hardiman, Rita; Schneider, Paul M.; Tan, Seong‐Seng

doi:10.1038/s41368-019-0070-1

Cited by 4 publications

(2 citation statements)

References 50 publications

(54 reference statements)

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“…There is no evident aetiology of infraocclusions in the literature; however, it is possible to identify a specific histological profile. Histologic studies on primary molars in infraocclusion revealed degenerative changes in the pulp, such as fibrosis, calcifications, and areas of reduced cell activity in the periodontal ligament [ 21 , 22 ]. Ankylosis is histologically defined as the fusion of cementum/dentin to the bone in at least one area, resulting in the loss of the periodontal ligament space.…”

Section: Introductionmentioning

confidence: 99%

Therapeutic Strategies of Primary Molar Infraocclusion: A Systematic Review

et al. 2023

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Background: Infraocclusion of deciduous molars is a clinical disturbance that occurs during primary and mixed dentition and has some orthodontic implications. Infraoccluded teeth are believed to be potential sites of malocclusion, with a risk of tipping neighbouring teeth and losing space. This systematic review aims to analyse the management of primary molars infraocclusion and to provide updated guidelines. Methods: A literature search was performed using PubMed, Scopus, and Web of Science databases from 1 January 2017 to 28 November 2022. The inclusion criteria were: studies only on human subjects, open access studies, case reports, randomised trials, retrospective, observational studies, and English language. Results: A total of 372 publications were identified from the databases and a final number of nine studies were included in the review for qualitative analysis. Conclusion: Management of patients suffering from infraocclusion depends on the severity, age at diagnosis, and presence of succeeded premolars. Early diagnosis of infraoccluded primary elements is fundamental and cannot be postponed. Preservation of the primary molars may be a valid option with long-term stability if there is no or moderate primary molar infraocclusion, root resorption of less than half of the root, and no decay or restoration.

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Section: Introductionmentioning

confidence: 99%

Therapeutic Strategies of Primary Molar Infraocclusion: A Systematic Review

et al. 2023

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“…Studies have demonstrated ankylosis to be present in infraoccluded primary molars with missing successors. Although the majority of infraoccluded teeth are non-ankylosed, histological ankylosis can occasionally be found (7) .…”

Section: Introductionmentioning

confidence: 99%

Infraocclusion – an anomaly in primary dentition

Torlińska-Walkowiak,

Tuczyńska,

Kucharska

et al. 2023

Pediatr Med Rodz

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Infraocclusion is a developmental abnormality that affects a tooth lying below the plane of occlusion. It is most common in children with mixed dentition, past the age of six. It is usually noticeable in the posterior part of the dental arch, involving one of the deciduous molars. The presence of infraocclusion can be identified by clinical examination or on radiographs. The aim of the study was to present a literature review on the incidence of infraocclusion in primary molars in children in various populations and on further clinical management. The review covered publications from the last 20 years. The following online databases were searched: PubMed, Google Scholar, and Scopus. Eight scientific papers were eligible for the review. The inclusion criteria were as follows: children, without systemic diseases or syndromes, with infraocclusion. The analysed studies show that the process usually affects a small number of teeth – most children present two infraoccluded molars. The condition shows no predilection for any sex. Across different populations, the percentage of children affected by infraocclusion ranges from 2.8% to 21.8%. With age, there is a decrease in the incidence of mild infraocclusion, and an increase in the incidence of the moderate (ages 8–10) and severe (ages 11–13) forms of the condition. Our review reveals that infraocclusion most often affects the teeth in the mandible, mainly the first primary molars and, in older children, the second molars. The treatment of patients should be planned individually, considering the age of the subjects and their clinical status. Tooth extraction is performed in extremely severe cases, which are uncommon.

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Extraction of a Severe Impacted Submerged Second Deciduous Molar: A Case Report

Yang¹,

Hu²,

Ying³

2023

Journal of Craniofacial Surgery Open

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Objectives: Provide some references for diagnosis and treatment of submerged deciduous teeth. Case Report: Here the authors reported a severely impacted submerged second deciduous molar accompanied by an impacted second premolar by detailed consultation, oral examination, and radiological analysis. The impacted teeth were both extracted considering the patient's age, the position of the teeth, and orthodontic purposes. Conclusions: Dentists should analyze the inspection results seriously and choose the optimal decision for submerged deciduous teeth.

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Transcriptome analysis of ankylosed primary molars with infraocclusion

Cited by 4 publications

References 50 publications

Therapeutic Strategies of Primary Molar Infraocclusion: A Systematic Review

Therapeutic Strategies of Primary Molar Infraocclusion: A Systematic Review

Infraocclusion – an anomaly in primary dentition

Extraction of a Severe Impacted Submerged Second Deciduous Molar: A Case Report

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