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Journal articles on the topic 'Resorption'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Singh, Shishir H., Anuprita S. Gadkari, Rajesh S. Podar, Roshan U. Shetty, and Prajakta V. Paste. "Redefining the void: A novel classification for internal resorption in human teeth." Journal of Conservative Dentistry and Endodontics 28, no. 7 (2025): 700–703. https://doi.org/10.4103/jcde.jcde_263_25.

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Abstract Introduction: Internal root resorption is the loss of hard tissue of the tooth from the pulpal surface of the root canal space. This pathologic condition is characterized by damage to the organic sheath, loss of predentin, and odontoblastic layer leading to demineralization of hard tissue of the tooth. Context: Internal root resorption. Aims: The aim of this article is to classify internal resorptive lesions to distinguish the extent of resorption at various levels as seen in the tooth. Subjects and Methods: Internal resorption is less commonly diagnosed as compared to external resorp

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Kjær, Inger, Carsten Strøm, and Nils Worsaae. "Regional Aggressive Root Resorption Caused by Neuronal Virus Infection." Case Reports in Dentistry 2012 (2012): 1–7. http://dx.doi.org/10.1155/2012/693240.

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During orthodontic treatment, root resorption can occur unexplainably. No clear distinction has been made between resorption located within specific regions and resorption occurring generally in the dentition. The purpose is to present cases with idiopathic (of unknown origin) root resorption occurring regionally. Two cases of female patients, 26 and 28 years old, referred with aggressive root resorption were investigated clinically and radiographically. Anamnestic information revealed severe virus diseases during childhood, meningitis in one case and whooping cough in the other. One of the pa

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Yamaguchi, M., N. Aihara, T. Kojima, and K. Kasai. "RANKL Increase in Compressed Periodontal Ligament Cells from Root Resorption." Journal of Dental Research 85, no. 8 (2006): 751–56. http://dx.doi.org/10.1177/154405910608500812.

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The ligand receptor activator of NFκB (RANKL) plays an important role in osteoclast formation. However, very little is known about the relationship between external apical root resorption during orthodontic treatment and RANKL. We hypothesized that compressive force is responsible for RANKL formation and up-regulation of osteoclastogenesis in periodontal ligament (PDL) cells from patients with severe orthodontically induced external apical root resorption. RANKL and osteoprotegerin (OPG) production, TRAP-positive cells, and resorptive pits were determined. The increase of RANKL and the decreas

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Kumar, Pankaj, and Arvind Singh. "N and P resorption efficiency in certain young tropical tree species planted on mine spoil." Indian Journal of Forestry 28, no. 4 (2005): 371–75. http://dx.doi.org/10.54207/bsmps1000-2005-f1qn7p.

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N and P resorption efficiencies were studied in three years old eight tropical tree species planted on mine spoil. Of the eight species Albizia lebbeck, Albizia procera, Dalbergia sissoo and Pongamia pinnata were legumes while Azadirachta indica, Holoptelia integrifolia, Madhuca indica and Terminalia arjuna were non-legumes. Both groups of plants have shown higher resorpton efficiency for both nitrogen and phosphorus. But they potentially differed in terms of N and P resorption efficiency. Non-legumes have shown higher efficiency for N resorption and lower efficiency for P resorption while con

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Mazur, Marta, Roberto Marasca, Livia Ottolenghi, et al. "Different Resorptive Patterns of Two Avulsed and Replanted Upper Central Incisors Based on Scanning Electron Microscopy and Stereomicroscopic Analysis: A Case Report." Applied Sciences 10, no. 10 (2020): 3551. http://dx.doi.org/10.3390/app10103551.

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Dental trauma resulting in permanent tooth avulsion commonly affects the young population. The prognosis of replantation after avulsion depends on the natural history of inflammatory and replacement resorption. Several risk factors for type and onset of external resorption have been defined. This case study describes different resorptive patterns observed in two upper central incisors belonging to a single individual, avulsed in the same moment, and replanted after thirty-six hours of dry storage. The roots were analyzed by scanning electron microscopy and stereomicroscope imaging, to obtain a

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Ferlini Filho, João, and Roberto Brandão Garcia. "Estudo radiográfico e microscópico das reabsorções radiculares na presença de periodontites apicais crônicas (microscopia óptica e eletrônica de varredura)." Revista da Faculdade de Odontologia de Porto Alegre 40, no. 1 (2021): 60–64. http://dx.doi.org/10.22456/2177-0018.111056.

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The objective of this dissertation, which employed 72 extracted human teeth, carrices of periapical lesion, was the morphological study of the resorptions, trying to relate their microscopic identification With the presence or not of the phenomenon in the X-ray of diagnosis. In a first stage we proceeded to the analysis of the X-ray pictures related to the seventy two samples, then in a second stage we submitted chem to Che analysis in optical microscopy. The third stage of our work comprised the confrontation of the radiographic and microscopic findings of the sampling, observing the aspects

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Nireeksha, B. N. "Management of invasive external cervical resorption in maxillary anterior teeth: A case report." Journal of Restorative Dentistry and Endodontics 1 (November 24, 2022): 63–66. http://dx.doi.org/10.25259/jrde_2_2022.

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The progressive breakdown of mineralized tooth tissue caused by overactive resorptive cells is known as root resorption. Root resorption can be divided into two types: Normal and pathologic. In most of cases of internal resorption and external inflammatory resorption root canal therapy is indicated. It may or may not be indicated in cases of invasive resorption, and it is not suggested in cases of replacement or pressure resorption (unless unrelated pulpal conditions necessitate endodontic intervention). Early detection and treatment of these defects might be beneficial to the patient and incr

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Consolaro, Alberto. "The four mechanisms of dental resorption initiation." Dental Press Journal of Orthodontics 18, no. 3 (2013): 7–9. http://dx.doi.org/10.1590/s2176-94512013000300004.

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The aim of this study is to present a classification with a clinical application for root resorption, so that diagnosis will be more objective and immediately linked to the source of the problem, leading the clinician to automatically develop the likely treatment plan with a precise prognosis. With this purpose, we suggest putting together all diagnosed dental resorptions into one of these four criteria: 1) Root resorption caused by cementoblast cell death, with preservation of the Malassez epithelial rests. 2) Root resorption by cementoblasts and Malassez epithelial rests death. 3) Dental res

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Ahir, Bhavesh, Vaishali Parekh, Anjali Vats, and Ankur Vats. "Mineral Trioxide Aggregate in the Treatment of External Invasive Resorption: A Case Report." Dental Journal of Advance Studies 01, no. 03 (2013): 173–75. http://dx.doi.org/10.1055/s-0038-1671974.

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AbstractExternal invasive root resorption may occur as a consequence of trauma, orthodontic treatment, intracoronal bleaching and surgical procedures and may lead to the progressive and destructive loss of tooth structure. Depending on the extent of the resorptive process, different treatment regimens have been proposed. A 20-year-old female patient presented with tooth showing signs and symptoms of pain in 21 with extensive invasive resorption in middle third of root canal. After root canal treatment, The resorption area was chemomechanically debrided using ultrasonic tips and irrigant soluti

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Singh, Shishir, and Gaurav Kulkarni. "Resorptions revisited - internal resorption : Two case reports." Endodontology 25, no. 1 (2013): 129. http://dx.doi.org/10.4103/0970-7212.352304.

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Opacic-Galic, Vanja, and Slavoljub Zivkovic. "Endodontic therapy of pathological resorptions of tooth root." Serbian Dental Journal 51, no. 3 (2004): 130–35. http://dx.doi.org/10.2298/sgs0403130o.

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Pathological resorptions of a tooth root very often represent both a diagnostic and therapeutical problem. The goal of this study was, based on clinical research on a number of pathological resorptions of various types and localization in relation to time, to analyze and evaluate applied endodontic therapy. Clinical research covered 30 patients (40 root canals in total). 18 teeth (22 canal) with external and 12 (18 canal) with internal root resorptions received endodontic therapy. After standard endodontic procedure had been applied (cleaning and canal shaping) calcium hydroxide paste was used

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Buchi-Velazquez, Agustina, Daniela Escobar-Torres, Valentina Veloso, and Nicolás Ferraro. "Clinical and radiographic characterization of external root resorption." Medwave 24, no. 02 (2024): e2780-e2780. http://dx.doi.org/10.5867/medwave.2024.03.2780.

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Introduction The following bibliographic review was carried out with the purpose of recognizing the clinical and radiographic characteristics that must be considered in the diagnosis of external root resorption, including treatments. Methods A bibliographic search was carried out in PubMed/Medline, Cochrane Library and Google Scholar databases under the term "external root resorption", from 2010 to 2022 in Spanish and English. Experimental studies and bibliographic reviews were selected, and finally 17 articles were included. Results The results obtained indicated that each type of resorption

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Vedavathi, B., DV Swapna, K. Rashmi, Jayshree Hegde, Veena Suresh Pai, and GR Krishna Kumar. "A 3-Year Follow-up Case Report of a Successfully treated Perforating Internal Root Resorption using MTA." World Journal of Dentistry 6, no. 4 (2015): 235–38. http://dx.doi.org/10.5005/jp-journals-10015-1350.

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ABSTRACT Internal root resorption is the progressive destruction of intraradicular dentin along the canal wall as a result of clastic activity. Perforating internal root resorption poses a diagnostic and treatment challenge to the clinician. Poor prognosis of such teeth makes extraction a treatment option. Presented herein is a case report of a mandibular second premolar with advanced perforating internal root resorption in the middle third of the root. Advanced diagnostic method, cone-beam computed tomography (CBCT) was used for definitive diagnosis and treatment planning. Sectional obturatio

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Travassos, Rosana Maria Coelho, Larianne de Sousa Moisés, Ana Roberta Negromonte Da Silva, et al. "PREVALENCE OF INTERNAL AND EXTERNAL ROOT RESORPTION IN PERMANENT ANTERIOR TEETH USING DIGITAL AND DIGITALIZED PERIAPICAL RADIOGRAPHS." RECISATEC - REVISTA CIENTÍFICA SAÚDE E TECNOLOGIA - ISSN 2763-8405 2, no. 2 (2022): e2291. http://dx.doi.org/10.53612/recisatec.v2i2.91.

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Objetive: This study aimed to evaluate the prevalence of internal and external resorption in periapical digital radiographs in permanent anterior teeth of patients attended in a private clinic of radiology in the city of Recife, Pernambuco, Brazil, in a period of three years. Study Design: A retrospective and observation study design was realized with the aim of observing an presence of events. A total of 4630 radiographs were analyzed from the archives of the clinic. Thus, it was observed the presence of internal and external root resorption and their location in in digital and digitalized pe

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Campos, Marcio Jose da Silva, Helen Vidon Gomes, Paula Liparini Caetano, Marcelo Reis Fraga, and Robert Willer Farinazzo Vitral. "Is relevant the underestimation of irregular apical root resorption by periapical radiographs?" HU Revista 45, no. 3 (2019): 237–43. http://dx.doi.org/10.34019/1982-8047.2019.v45.28678.

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Introduction: Periodic control of root resorption during orthodontic treatment is frequently made by two-dimensional radiographic examinations, in which irregular resorptions are not detected buccolingually. Aim: Quantifying the resorbed root area of incisors with irregular apical root resorption underestimated by two-dimensional radiographic methods. Materials and Methods: Cone beam computed tomography images of 18 patients whose incisors presented irregular apical root resorption underestimated by two-dimensional radiographic methods and their contralateral correspondents without resorption

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Flatten, Jana, Thomasz Gedrange, Christoph Bourauel, Ludger Keilig, and Anna Konermann. "The Role of Bone and Root Resorption on the Biomechanical Behavior of Mandibular Anterior Teeth Subjected to Orthodontic Forces: A Finite Element Approach." Biomedicines 12, no. 9 (2024): 1959. http://dx.doi.org/10.3390/biomedicines12091959.

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Aims: This study was conducted to systematically evaluate the biomechanical impact of varying degrees of root and bone resorption resulting from periodontitis and orthodontic tooth movement (OTM) on the mandibular anterior teeth. The objective was to determine whether these distinct resorption patterns exert a specific influence on tooth displacement and strain patterns. Methods: A finite element (FE) model of an idealized anterior mandible from the first premolar in the third to the fourth quadrant was developed without bone or root resorption and a constant periodontal ligament (PDL) thickne

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Carron, CP, DM Meyer, VW Engleman, et al. "Peptidomimetic antagonists of alphavbeta3 inhibit bone resorption by inhibiting osteoclast bone resorptive activity, not osteoclast adhesion to bone." Journal of Endocrinology 165, no. 3 (2000): 587–98. http://dx.doi.org/10.1677/joe.0.1650587.

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Osteoclasts are actively motile on bone surfaces and undergo alternating cycles of migration and resorption. Osteoclast interaction with the extracellular matrix plays a key role in the osteoclast resorptive process and a substantial body of evidence suggests that integrin receptors are important in osteoclast function. These integrin receptors bind to the Arg-Gly-Asp (RGD) sequence found in a variety of extracellular matrix proteins and it is well established that the interaction of osteoclast alpha v beta 3 integrin with the RGD motif within bone matrix proteins is important in osteoclast-me

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Zhu, Dehuang, Suhong Peng, Jinyan Wang, and Dafeng Hui. "Responses of Nutrient Resorption to Human Disturbances in Phoebe bournei Forests." Forests 13, no. 6 (2022): 905. http://dx.doi.org/10.3390/f13060905.

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Nutrient resorption plays an important role in the nutrient conservation of plants and ecosystem nutrient cycling. Although community succession and nutrient addition could regulate plant nutrient resorption, how resorptions of foliar nutrients vary with human disturbances remains unclear. With the economic development, Phoebe bournei forests (PF) have suffered varying degrees of human disturbances in China. In this study, the leaf nutrient resorption efficiency (RE) of the PF under two disturbances (i.e., severe and mild disturbances) were investigated. Results showed that the phosphorus (P)

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Naik, Rasika A., Manoj M. Ramugade, Nilofar B. Attar, and Kishor D. Sapkale. "Cone Beam Computed Tomography-guided Management of Cervical Perforative Internal Resorption in Permanent Mandibular First Molar." International Journal of Prosthodontics and Restorative Dentistry 6, no. 3 (2016): 73–77. http://dx.doi.org/10.5005/jp-journals-10019-1160.

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ABSTRACT Internal resorption in the permanent dentition is a rare pathologic condition. Clinical differentiation of perforative cervical internal resorption from cervical external resorption is considered to be a challenging task. Advanced imaging techniques, such as cone beam computed tomography (CBCT) have proven vital diagnostic tools in the detection and management of these lesions. Management of a perforated internal resorption needs comprehensive endorestorative and periodontal approach. This article describes 1 year follow-up of the successfully managed perforative cervical internal res

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Bruno Oliveira de Aguiar Santos, Diego Santiago de Mendonça, Denise Lins de Sousa, José Jeová Siebra Moreira Neto, and Rebeca Bastos Rocha de Araújo. "Root resorption after dental traumas: classification and clinical, radiographic and histologic aspects." RSBO 8, no. 4 (2012): 439–45. http://dx.doi.org/10.21726/rsbo.v8i4.1095.

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Introduction: One of the most common sequelae observed after dental trauma is root resorption. Objective: The aim of this study was to classify and discuss the external root resorption after a dental trauma, based on a literature review. Literature review: A bibliographic search was performed in the following databases: Medline, PubMed, and Lilacs, from 1997 to 2010. The following descriptors were used: Root resorption, Dental trauma and Classification. From a total of 152 articles found, 25 were selected: 24 in English and 1 in Spanish. Classic articles were also used in our study. External r

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Zhong, Jingxiao, Junning Chen, Richard Weinkamer, et al. "In vivo effects of different orthodontic loading on root resorption and correlation with mechanobiological stimulus in periodontal ligament." Journal of The Royal Society Interface 16, no. 154 (2019): 20190108. http://dx.doi.org/10.1098/rsif.2019.0108.

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Orthodontic root resorption is a common side effect of orthodontic therapy. It has been shown that high hydrostatic pressure in the periodontal ligament (PDL) generated by orthodontic forces will trigger recruitment of odontoclasts, leaving resorption craters on root surfaces. The patterns of resorption craters are the traces of odontoclast activity. This study aimed to investigate resorptive patterns by: (i) quantifying spatial root resorption under two different levels of in vivo orthodontic loadings using microCT imaging techniques and (ii) correlating the spatial distribution pattern of re

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Thakur, Vikrant, Shweta Verma, Munish Goel, Vijay Kumar, and Baljeet Singh. "Surgical reconstruction of invasive external cervical root resorption with perforation and associated periodontal defect using novel bioceramic materials and cone beam computed tomography as a diagnostic adjunct- A case report." Journal of Indian Society of Periodontology 28, no. 5 (2024): 591–95. https://doi.org/10.4103/jisp.jisp_207_24.

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Abstract: Tooth resorption; both internal and external, occasionally occurs as an inflammatory response of the dentoalveolar apparatus to infection. Depending on the type of resorption, etiology, and the stage at which root resorption defect is detected, different treatment regimens have been proposed. This case report demonstrates the management of extensive inflammatory combined internal and external root resorption by nonsurgical endodontic therapy using a Bioceramic sealer (BioRoot RCS) and surgical reconstruction of resorptive defect using Biodentine. On follow-up at 1, 3, 6, and 12 month

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Simic, Sanja, Predrag Nikolic, Jasna Pavlovic, Vladanka Vukicevic, and Amila Vujacic. "Possible root resorption of adjacent teeth due to maxillary impacted canines - comparative analysis of cone beam computed tomography and panoramic imaging." Vojnosanitetski pregled, no. 00 (2022): 21. http://dx.doi.org/10.2298/vsp201004021s.

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Background/Aim. Frequently reported phenomenon associated with impacted maxillary canines is root resorption of the adjacent teeth. The reported incidence of root resorption also depends on the radiographic imaging method used. The aim of the present study was to evaluate correlation between two radiographic methods: the panoramic imaging (OPT) and cone beam computed tomography (CBCT) in diagnosing contact between the impacted canine with the adjacent teeth and the existence of their resorption. Methods. This study included 64 subjects, aged 12 to 33 years, with 80 impacted maxillary canines n

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Fuller, K., J. M. Owens, C. J. Jagger, A. Wilson, R. Moss, and T. J. Chambers. "Macrophage colony-stimulating factor stimulates survival and chemotactic behavior in isolated osteoclasts." Journal of Experimental Medicine 178, no. 5 (1993): 1733–44. http://dx.doi.org/10.1084/jem.178.5.1733.

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Macrophage colony-stimulating factor (M-CSF) is known to play an important role in osteoclast formation. However, its actions on mature cells have not been fully characterized. We now report that M-CSF dramatically stimulates osteoclastic motility and spreading; osteoclasts responded to a gradient of M-CSF with orientation, and random cell polarization occurred after isotropic exposure. M-CSF also supported the survival of osteoclasts by preventing apoptosis. Paradoxically, M-CSF inhibits bone resorption by isolated osteoclasts. We found that this was effected predominantly by reduction in the

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Fuller, Karen, Barrie Kirstein, and Timothy J. Chambers. "Regulation and enzymatic basis of bone resorption by human osteoclasts." Clinical Science 112, no. 11 (2007): 567–75. http://dx.doi.org/10.1042/cs20060274.

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Although much has been learned recently of the mechanisms that regulate osteoclastic differentiation, much less is known of the means through which their resorptive activity is controlled. This is especially so for human osteoclasts. We have recently developed an assay that allows us to measure resorptive activity while minimizing confounding effects on differentiation by optimizing osteoclastogenesis, so that measurable resorption occurs over a short period, and by relating resorption in each culture during the test period to the resorption that had occurred in the same culture in a prior con

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Spirina, Anna S., and David A. Crossley. "Maintenance of oral function in 3 cats with dental resorption." Acta Veterinaria Brno 89, no. 1 (2020): 55–60. http://dx.doi.org/10.2754/avb202089010055.

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Mandibular molar tooth function is important for cats, however, current veterinary dental practice is to extract teeth affected by even very small resorptive lesions. The aim of this article was to describe an attempt at salvaging mandibular molar teeth where the mesial root and associated crown remained unaffected by resorption. Three cats presented with localised resorption of the distal root of a mandibular molar tooth were treated by hemisection, extraction of the distal root and endodontic treatment of the mesial root. The oral function was maintained in all three cats with no clinical ev

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Panainte, Irinel, Claudia –. Georgeta Grancea, Valentina –. Tamara Zamfir – Buta, and Mariana Pacurar. "Apical Root Resorption After Orthodontic Treatment." European Scientific Journal, ESJ 12, no. 24 (2016): 43. http://dx.doi.org/10.19044/esj.2016.v12n24p43.

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Aim of the studyː to find if apical root resorption is related to orthodontic treatment time, type of appliance used and which are the most susceptible teeth to develop this type of resorption. Material and methodsː 70 patients (27 males and 43 females) selected from patients reffered for an orthodontic treatment at the Orthodontic Department of Faculty of Dentistry, University of Medicine and Pharmacy from TirguMures. The mean age at the beginning of treatment was 15.11 years for males and 14.67 years for females subjects. At the end of treatment, on their panormaic radiographs it was measure

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Umashetty, Girish, Upendra Hoshing, Suvarna Patil, and Nishant Ajgaonkar. "Management of Inflammatory Internal Root Resorption with Biodentine and Thermoplasticised Gutta-Percha." Case Reports in Dentistry 2015 (2015): 1–4. http://dx.doi.org/10.1155/2015/452609.

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Internal root resorption is a chronic inflammatory process initiated within the pulp space with the loss of dentin. This condition demands a comprehensive understanding of the pathologic process, so as to identify the cause and arrest the resorptive phenomena. It is a rare occurrence, asymptomatic, with slow progression, detected through routine radiographic examination, where it appears as a radiolucent lesion. This paper reports a clinical case of inflammatory internal root resorption in the premolar tooth. Because it is asymptomatic, internal root resorption needs an early diagnosis in orde

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Towhidul Alam, A. S. M., Christopher L. H. Huang, David R. Blake, and Mone Zaidi. "A hypothesis for the local control of osteoclast function by Ca2+, nitric oxide and free radicals." Bioscience Reports 12, no. 5 (1992): 369–80. http://dx.doi.org/10.1007/bf01121500.

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Several important conclusions have recently emerged from in vitro studies on the resorptive cell of bone, the osteoclast. First, it has been established that osteoclast function is modulated locally, by changes in the local concentration of Ca2+ caused by hydroxyapatite dissolution. It is thought that activation by Ca2+ of a surface membrane Ca2+ receptor mediates these effects, hence providing a feedback control. Second, a number of molecules produced locally by the endothelial cell, with which the osteoclast is in intimate contact, have been found to affect bone resorption profoundly. For in

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Rotondi, Olivia, PhiAnh Waldon, and Sahng G. Kim. "The Disease Process, Diagnosis and Treatment of Invasive Cervical Resorption: A Review." Dentistry Journal 8, no. 3 (2020): 64. http://dx.doi.org/10.3390/dj8030064.

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Invasive cervical resorption (ICR) is a localized, subepithelial, supra-osseous resorptive process of the tooth. Although there are several predisposing factors associated with ICR, its etiology and pathogenesis are poorly understood. The damage to the protective layer on the external root surface appears to allow for the attachment of clastic cells and initiate the resorptive process, which is confined by the inner protective pericanalar resorption-resistant sheet surrounding the root canal space. The use of cone-beam computed tomography (CBCT) is recommended for the diagnosis and assessment

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Yeng, Thai. "Invasive Cervical Resorption of a Mandibular Molar Managed with Vital Pulp Therapy: Exemplar Case Study." Open Access Journal of Dental and Oral Surgery (OAJDOS) 3, no. 3 (2022): 1–4. http://dx.doi.org/10.54026/oajdos/1039.

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This exemplar case highlights the importance of conservative treatment to protect the pulpal health of an invasive cervical resorption of a mandibular molar tooth with pulpal exposure. The resorptive site was explored and trichloroacetic acid (TCA) was placed on the localized defect. Following curettage of the resorptive tissue, a small pulp exposure occurred. Direct pulp capping with Dycal, a calcium hydroxide-based material, was used, and the molar was restored with glass ionomer cement. At the 18-month review, the molar tooth demonstrated both clinical (positive pulpal response) and radiogr

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Bjerklin, Krister, and Chanelle Houmet Guitirokh. "Maxillary incisor root resorption induced by ectopic canines." Angle Orthodontist 81, no. 5 (2011): 800–806. http://dx.doi.org/10.2319/011311-23.1.

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Abstract Objective: To evaluate the long-term clinical and radiographic effects of maxillary incisor root resorption in cases of ectopic canines treated during the late 1970s and 1980s in Jönköping, Sweden. Subjects and Methods: The material comprised 55 incisors in 38 subjects. The posttreatment follow-up time was 13 to 28 years. All subjects underwent intraoral radiography, 33 were referred for computed tomography or cone beam computed tomography, and 24 also underwent clinical examination. The severity of incisor root resorption was correlated with clinical characteristics. Radiographs of t

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Martins, Giovana Gonçalves, Ingrid Araújo de Oliveira, and Alberto Consolaro. "The mechanism: how dental resorptions occur in ameloblastoma." Dental Press Journal of Orthodontics 24, no. 4 (2019): 21–32. http://dx.doi.org/10.1590/2177-6709.24.4.021-032.oin.

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ABSTRACT Knife-edge or blunt root resorptions characterize ameloblastomas and are pathognomonic for this tumor, because they differentiate ameloblastomas from simple bone cysts, odontogenic keratocysts and nasopalatine duct cysts, which do not lead to resorption of involved teeth. Despite the very high frequency and importance of these characteristics for a differential diagnosis, a microscopic examination should also be conducted before defining the diagnosis and the treatment plan for these cases. This paper describes a six-step hypothesis to explain the mechanism by which ameloblastomas pro

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Naicker, Jade, Jade Naicker, and Chané Smit. "Classification of cases of pre-eruptive intra-coronal resorption." South African Dental Journal 79, no. 10 (2025): 550. https://doi.org/10.17159/sadj.v79i10.21205.

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Resorption mechanisms triggered in teeth can lead to lesions, especially in impacted dentition. Evidence of these lesions can be detected via radiographic imaging and are often classified as pre-eruptive intra-coronal resorption (PIR). These external resorptive lesions do not typically present with symptoms of pain or discomfort, however, it is hypothesized that these cases may progress and affect more than ⅔ of the dental width.

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Consolaro, Alberto, and Graziella Bittencourt. "Why not to treat the tooth canal to solve external root resorptions? Here are the principles!" Dental Press Journal of Orthodontics 21, no. 6 (2016): 20–25. http://dx.doi.org/10.1590/2177-6709.21.6.020-025.oin.

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ABSTRACT This paper aims at exposing the foundations or reasons why, in cases of external tooth resorption, including those of orthodontic origin, one should not perform a root canal to treat it. That should be done only to teeth with contamination or pulp necrosis, to remove the periapical inflammation induced by microbial products. When facing cases of external tooth resorption, one's conduct must always respect the following sequence of steps: first of all, identifying the cause accurately; then, planning the therapeutic approach and, finally, adopting the conducts in a very well-founded wa

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Sathyanarayanan, Kothandaraman, Lingeswaran Poornima, and Keerthi V. Narayan. "Non-Surgical Endodontic Management of External Root Resorption in a Permanent Maxillary Central Incisor Tooth - A 3 Year Follow-Up of a Rare Case Scenario." Journal of Evolution of Medical and Dental Sciences 10, no. 30 (2021): 2350–53. http://dx.doi.org/10.14260/jemds/2021/481.

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Resorption of the tooth represents a multifactorial and a perplexing problem for all clinicians resulting in complete or partial loss of tooth structure. The present clinical demonstration describes management of the permanent maxillary left central incisor (tooth number #21) affected by external root resorption involving the mesial and distal surface of middle one-third of the root. Conventional nonsurgical endodontic treatment followed by MTA (Mineral trioxide aggregate) obturation (PRoRoot MTA, Dentsply, Tulsa Dental Specialties) was planned. The root canal of the affected teeth was debride

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Ioana, Suciu, B. Dimitriu, C. Varlan, et al. "Internal granuloma with perforation – 2 case report." ARS Medica Tomitana 21, no. 4 (2015): 196–200. http://dx.doi.org/10.1515/arsm-2015-0045.

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Abstract Internal resorption was associated with long-term chronic inflammation of the pulp (chronic granulomatous pulpitis). When internal resorption is radiographically confirmed, endodontic treatment becomes a necessity. Vital teeth internal resorption appears radiographically as an oval enlargement of the pulp chamber and root canal with smooth, symmetrical outline. Internal granuloma is assumed to be an effect of the trauma, or pulp inflammation, the ailment is rare, asymptomatic and might progress rapidly, causing perforation. It is difficult to remove the pulp tissue from the resorptive

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Ikhar, Anuja, Nikita Thakur, Aditya Patel, Rohan Bhede, Pranav Patil, and Surbhi Gupta. "Management of External Invasive Cervical Resorption Tooth with Mineral Trioxide Aggregate: A Case Report." Case Reports in Medicine 2013 (2013): 1–5. http://dx.doi.org/10.1155/2013/139801.

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Invasive cervical resorption is entirely uncommon entities and the etiology is poorly understood. A 19 year old patient presented with fractured upper left central incisor and sinus tract opening on the distobuccal aspect in cervical region. Radiographic examination shows irregular radiolucency over the coronal one-third and it extended externally towards the external invasive resorption. After sectional obturation, the defect was accessed surgically. The resorption area was chemomechanically debrided using irrigant solution. Fibre post placement using flowable composite resin and Mineral Trio

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Zakiyeh, Donyavi Mohammad Esmaeilzadeh and Nazanin Shahsavand*. "LONG TERM CALCIUM HYDROXIDE THERAPY FOR TREATMENT OF TRAUMA-INDUCED EXTERNAL ROOT RESORPTION: A CASE REPORT." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 05, no. 01 (2018): 236–41. https://doi.org/10.5281/zenodo.1146550.

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Introduction: External inflammatory root resorption refers to the loss of cementum or dentin that sometimes extends to the pulp. The most common cause of this condition is trauma, but inflammatory lesions, tumors and occlusal excessive forces can contribute to it, too. The most common places for root resorption are the apical and cervical parts of the root. Case report: This article reports four formerly-traumatized teeth in a 14-yer-old boy with the diagnosis of pulp necrosis in teeth #8,9, as well as a primarily Uncertain pulpal condition of teeth #7,10, chronic apical periodontitis in all f

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de Carvalho Coutinho, Thais Machado, Carollyne Souza Campello, Juliana Pires Abdelnur, Vivian Ronquete, Carlos Henrique Sardenberg Pereira, and Marilia F. Marceliano-Alves. "Maxillary anterior teeth with extensive root resorption treated with multidisciplinary approach: A case report." International Journal of Case Reports and Images 14, no. 1 (2023): 8–13. http://dx.doi.org/10.5348/101373z01tc2023cr.

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Invasive cervical resorption is a type of external resorption, which is generally located in the cervical region of the tooth. The resorptive process can be caused by physiological, pathological, hormonal, and trauma factors. The present study aimed to report a case of invasive cervical resorption in tooth 12 identified as an incidental finding, in which all available clinical resources were used, as well as a combined multidisciplinary treatment of endodontics, orthodontics, surgery, and prosthesis. At the initial consultation, the tooth presented with Heithersay’s class II resorption, underg

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Moga, Radu Andrei, Cristian Doru Olteanu, Mircea Daniel Botez, and Stefan Marius Buru. "Assessment of the Orthodontic External Resorption in Periodontal Breakdown—A Finite Elements Analysis (Part I)." Healthcare 11, no. 10 (2023): 1447. http://dx.doi.org/10.3390/healthcare11101447.

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This Finite Elements Analysis (FEA) assessed the accuracy of Tresca failure criteria (maximum shear stress) for the study of external root resorption. Additionally, the tooth absorption–dissipation ability was assessed. Overall, 81 models of the second mandibular premolar, out of a total of 324 simulations, were involved. Five orthodontic movements (intrusion, extrusion, rotation, translation, and tipping) were simulated under 0.6 N and 1.2 N in a horizontal progressive periodontal breakdown simulation of 0–8 mm. In all simulations, Tresca criteria accurately displayed the localized areas of m

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Moga, Radu Andrei, Ada Gabriela Delean, Stefan Marius Buru, Mircea Daniel Botez, and Cristian Doru Olteanu. "Orthodontic Internal Resorption Assessment in Periodontal Breakdown—A Finite Elements Analysis (Part II)." Healthcare 11, no. 19 (2023): 2622. http://dx.doi.org/10.3390/healthcare11192622.

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This finite elements analysis (FEA) assessed the accuracy of maximum shear stress criteria (Tresca) in the study of orthodontic internal surface resorption and the absorption–dissipation ability of dental tissues. The present study was conducted over eighty-one models totaling 324 simulations with various bone loss levels (0–8 mm), where 0.6 N and 1.2 N were applied in the intrusion, extrusion, rotation, tipping, and translation movements. Tresca criteria displayed localized high-stress areas prone to resorption for all situations, better visible in the dentine component. The internal resorpti

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Sarıyılmaz, Öznur, Evren Sarıyılmaz, Serkan Özkan, and Alper Ilker. "Effect of Remaining Dentin Thickness on Thermal Changes at the Root Surface During Obturation with Thermoplasticized Gutta-Percha in Internal Resorption Cavities." Journal of International Dental Sciences 11, no. 1 (2025): 41–45. https://doi.org/10.21306/dishekimligi.1580812.

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Aim: The treatment of internal resorption aims to remove necrotic pulp tissue, disinfect the canal, and fill the canal system, including the resorption zone. Warm gutta-percha techniques are commonly recommended for sealing resorption defects due to their flowable properties, but concerns about temperature rises during the obturation process remain. This study investigates the effect of remaining dentin thickness on temperature changes at the root surface during thermoplasticized gutta-percha obturation in simulated internal resorption cavities. Materials and Methods: In the study, thirty maxi

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Borggaard, Xenia G., Dinisha C. Pirapaharan, Jean-Marie Delaissé, and Kent Søe. "Osteoclasts’ Ability to Generate Trenches Rather Than Pits Depends on High Levels of Active Cathepsin K and Efficient Clearance of Resorption Products." International Journal of Molecular Sciences 21, no. 16 (2020): 5924. http://dx.doi.org/10.3390/ijms21165924.

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Until recently, it was well-accepted that osteoclasts resorb bone according to the resorption cycle model. This model is based on the assumption that osteoclasts are immobile during bone erosion, allowing the actin ring to be firmly attached and thereby provide an effective seal encircling the resorptive compartment. However, through time-lapse, it was recently documented that osteoclasts making elongated resorption cavities and trenches move across the bone surface while efficiently resorbing bone. However, it was also shown that osteoclasts making rounded cavities and pits indeed resorb bone

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Valchuk, S. N., D. E. Alekseev, G. V. Gavrilov, A. V. Stanishevskiy, and D. V. Svistov. "Circulation and resorption of cerebrospinal fluid: historic and up-to-date presentation." Bulletin of the Russian Military Medical Academy 20, no. 2 (2018): 215–20. http://dx.doi.org/10.17816/brmma12336.

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It is analyzed historical development and current apprehension about cerebrospinal fluid. We are interested in all about liquor however the huge our attention concentrates on resorption of fluid. It is caused by many cases with expiration of liquor after operation but there isn’t answer about arrangement of this complication. It is notably but now the question about resorption of cerebrospinal fluid is still controversial. The part of scientists stands by classic speculation. They think that resorption of liquor arises by Pachioni’s granulations. Another part keeps to theory that the main role

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Datta, Harish K., Iain MacIntyre, and Mone Zaidi. "The effect of extracellular calcium elevation on morphology and function of isolated rat osteoclasts." Bioscience Reports 9, no. 6 (1989): 747–51. http://dx.doi.org/10.1007/bf01114813.

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Osteoclasts are large multinucleate cells unique in their capacity to resorb bone. These cells are exposed locally to high levels of ionised calcium during the process of resorption. We have therefore examined the effect of elevated extracellular calcium on the morphology and function of freshly disaggregated rat osteoclasts. Cell size and motility were quantitated by time-lapse video recording together with digitisation and computer-centred image analysis. In order to assess the resorptive capacity of isolated osteoclasts, we measured the total area of resorption of devitalised cortical bone

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Ondhia, Amrisha, Nader Eissa, and Mohsin Chaudhary. "Pre-eruptive intracoronal resorption: case report." Dental Update 50, no. 8 (2023): 677–80. http://dx.doi.org/10.12968/denu.2023.50.8.677.

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This case describes the presentation of pre-eruptive intracoronal resorption affecting multiple permanent teeth in an 11-year-old female child. Pre-eruptive intracoronal resorption is a lesion that is often located within the dentine, adjacent to the enamel–dentine junction in the occlusal face of the tooth crown. Histological reports have shown the presence of resorptive cells in these lesions. Previous literature presents cases usually affecting a single tooth, in this case 10 permanent teeth were found to be affected. Clinicians should be aware of this diagnosis and its treatment modalities

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Epistatu, Dragos, Andreea Ciolacu, Aikaterina Kitsou, et al. "A radiological study method of vertical alveolar resorptions using immediate dental implants." Romanian Journal of Stomatology 67, no. 3 (2021): 177–82. http://dx.doi.org/10.37897/rjs.2021.3.8.

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Dental extraction is followed by decreases in alveolar volume, vertically and horizontally. This retrospective study measured vertical alveolar resorption after insertion of immediate implants, using OPG, without CBCT or additional radiographs. Patients were randomly split in two groups A (57 implants) and B (47 implants). Measurements were made by two independent observers. The types of implants were: Exacta (Biaggini Medical Devices), Nova, Dentix Millenium and Surcam. The method was based on the size of the implant and another common element of the two radiographs. It used an optimal radiol

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Consolaro, Alberto, and Débora de Almeida Bianco. "Tooth resorptions are not hereditary." Dental Press Journal of Orthodontics 22, no. 4 (2017): 22–27. http://dx.doi.org/10.1590/2177-6709.22.4.022-027.oin.

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ABSTRACT Root resorptions caused by orthodontic movement are not supported by consistent scientific evidence that correlate them with heredity, individual predisposition and genetic or familial susceptibility. Current studies are undermined by methodological and interpretative errors, especially regarding the diagnosis and measurements of root resorption from orthopantomographs and cephalograms. Samples are heterogeneous insofar as they comprise different clinical operators, varied types of planning, and in insufficient number, in view of the prevalence of tooth resorptions in the population.

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Falahat, Babak, Sune Ericson, Rozmary Mak D'Amico, and Krister Bjerklin. "Incisor Root Resorption Due to Ectopic Maxillary Canines." Angle Orthodontist 78, no. 5 (2008): 778–85. http://dx.doi.org/10.2319/071007-320.1.

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Abstract Objective: To document the long-term fate of maxillary incisors with resorbed roots after correction of the associated ectopic canines. Materials and Methods: The subjects were recruited from 107 children and adolescents age 9–15 years (mean 12.5 years) at initial registration, with 156 ectopically positioned maxillary canines. The children were referred to the specialist orthodontic clinic for consultation because of the risk of incisor root resorption. Of 51 patients contacted, 16 failed to attend. Eight of the remaining 35 were excluded because their lateral incisors had been extra

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