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Zhang J, Wang N, Gao X, Qin M. Orthodontic extrusion with fixed appliances for treatment of intrusive luxation injuries: A prospective study of 28 permanent maxillary incisors. Int J Paediatr Dent 2024. [PMID: 39096055 DOI: 10.1111/ipd.13254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 07/15/2024] [Accepted: 07/17/2024] [Indexed: 08/04/2024]
Abstract
BACKGROUND Limited evidence exists on the treatment options of tooth repositioning after intrusive luxation. AIM The study aimed to investigate the outcomes and complications of orthodontic extrusion in treating intruded maxillary permanent incisors. DESIGN A prospective study was conducted involving 28 intruded maxillary permanent incisors treated with orthodontic extrusion, compared with a retrospective control group of 29 teeth that underwent spontaneous re-eruption. The success rate of tooth repositioning, as well as pulp condition, periodontal healing, and root development were assessed and compared. RESULTS The success rate of orthodontic extrusion was 96.4%, excluding one tooth that was ankylosed before treatment. There were no significant differences in pulp condition between the orthodontic extrusion and control groups for teeth with immature root development. Teeth with mature root development in the orthodontic group, however, showed a significantly higher rate of pulp necrosis (100%, p < .05). Periodontal healing outcomes were similar across both groups, regardless of the maturity of root development. The root length continued increasing during orthodontic extrusion treatment. CONCLUSIONS Orthodontic extrusion treatment could effectively reposition moderately to severely intrusive permanent incisors, without increasing the risk of complications compared with spontaneous re-eruption.
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Affiliation(s)
- Jingjing Zhang
- Department of Paediatric Dentistry, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China
| | - Nan Wang
- Department of Paediatric Dentistry, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China
- Department of Stomatology, Peking University Third Hospital, Beijing, China
| | - Xuemei Gao
- Department of Orthodontics, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China
| | - Man Qin
- Department of Paediatric Dentistry, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Beijing, China
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Cheng J, Li J, Li C, Zhang X, Zhao X, Song G. Treatment outcomes of permanent teeth with uncomplicated and complicated crown fractures and factors associated with pulp survival: A retrospective study. Dent Traumatol 2024; 40:306-315. [PMID: 37916540 DOI: 10.1111/edt.12907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 10/13/2023] [Accepted: 10/21/2023] [Indexed: 11/03/2023]
Abstract
BACKGROUND Crown fracture is the most common injury in permanent teeth. This study aimed to evaluate the treatment outcomes of permanent teeth with uncomplicated and complicated crown fractures and to investigate potential factors. MATERIALS AND METHODS This retrospective study included patients who experienced crown fractures in permanent teeth from 2018 to 2021 with at least 12 months of follow-up. All complicated crown fractured teeth were treated with pulpotomy, while for teeth with uncomplicated crown fractures, three treatments (restoration, indirect pulp capping, or pulpotomy) were employed. The chi-square test was used to compare the prognosis of teeth with uncomplicated and complicated crown fractures. Potential factors associated with pulp survival including gender, interval, root development, enamel infraction, mobility, concomitant luxation injury, treatment, and coronal restoration were identified via Cox regression analysis. RESULTS A total of 307 teeth from 220 children (average age = 9.3 ± 1.4 years; age range, 6-14 years) with a median follow-up of 23 months were included, and 82.1% of all teeth had immature roots. Complicated crown fractured teeth (93.6%, 102/109) had a significantly higher success rate compared with uncomplicated crown fractured teeth (85.4%, 169/198) (p < .05). Pulpotomy (96.9%) had the highest success rate of all treatments for uncomplicated crown fractures, followed by only restoration (85.0%) and indirect pulp capping (76.9%). The success rate of teeth that received pulpotomy was significantly higher than those treated by indirect pulp capping (p < .05). In uncomplicated crown fractures, teeth with Class II mobility were more vulnerable to failure than teeth without abnormal mobility (HR = 34.83; 95% CI, 9.59-126.56; p < .05); teeth that received pulpotomy were less prone to failure than teeth that received indirect pulp capping (HR = 13.53; 95% CI, 1.58-115.72; p < .05). CONCLUSION Crown fractures treated with conservative pulp treatments had a relatively highly favorable prognosis. The prognosis of uncomplicated crown fractured teeth was impacted by the severity of periodontal injury and treatment strategies. Accurate diagnosis and identification of micro-exposures are important. Dentists should take multiple risk factors into account and select optimal treatment strategies.
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Affiliation(s)
- Jing Cheng
- Department of Paediatric Dentistry, Hubei-MOST KLOS & KLOBM, School & Hospital of Stomatology, Wuhan University, Wuhan, China
- Department of Stomatology, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jiahui Li
- Department of Paediatric Dentistry, Hubei-MOST KLOS & KLOBM, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Chunmei Li
- Department of Paediatric Dentistry, Hubei-MOST KLOS & KLOBM, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Xiaojin Zhang
- Department of Paediatric Dentistry, Hubei-MOST KLOS & KLOBM, School & Hospital of Stomatology, Wuhan University, Wuhan, China
| | - Xiaoe Zhao
- Department of Special Diagnosis, School & Hospital of Stomatology, Lanzhou University, Lanzhou, China
| | - Guangtai Song
- Department of Paediatric Dentistry, Hubei-MOST KLOS & KLOBM, School & Hospital of Stomatology, Wuhan University, Wuhan, China
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Singhal R, Negi S, Namdev R, Kakran A. Effect of root immaturity and depth of intrusion on spontaneous re-eruption and healing complications: A retrospective analysis. Dent Traumatol 2024; 40:243-250. [PMID: 38234011 DOI: 10.1111/edt.12921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 12/20/2023] [Accepted: 01/01/2024] [Indexed: 01/19/2024]
Abstract
BACKGROUND/AIMS Dental trauma resulting in tooth intrusion is a severe injury of permanent dentition, with a prevalence of 0.5%-1.9% among traumatic dental injuries. Currently, treatment guidelines for intruded permanent teeth depend on root development and the degree of intrusion. However, the categorization of tooth maturity as mature or immature simplifies a complex continuum of root development stages. This study aims to investigate the impact of various stages of root development on the success of spontaneous re-eruption (SRE) of intruded teeth. MATERIALS AND METHODS This retrospective study analysed data from 80 children (125 teeth) aged 6-12 years who experienced dental intrusion between 2018 and 2022. Root maturation was classified based on Cvek's classification, eight were categorized as stage 1, 29 as stage 2, 44 as stage 3, 25 as stage 4, and 19 as stage 5. Intruded teeth with immature roots (Cvek's class 1-4) underwent SRE, while mature teeth (Cvek's class 5) were treated with SRE, orthodontic repositioning, or surgical repositioning based on the degree of intrusion. Primary outcome measures were successful re-eruption and secondary outcomes included observed complications during follow-up. RESULTS Regression analysis revealed that the patient's age, degree of root maturation, and degree of intrusion significantly affected spontaneous re-eruption (p < .05). SRE was more successful in teeth with Cvek's stages 1 and 2 compared to stages 3 and 4. Complications were associated with the treatment method, degree of root immaturity, and degree of intrusion. CONCLUSION The study demonstrates that as root maturation progresses, the likelihood of re-eruption decreases, and the risk of pulp necrosis and infection increases. Therefore, teeth in later stages of immaturity (Cvek stage 4) should be repositioned orthodontically or surgically without waiting for spontaneous re-eruption.
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Affiliation(s)
| | | | - Ritu Namdev
- Department of Pedodontics, PGIDS, Rohtak, India
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Coste SC, Rodrigues MAF, Chaves JFM, Lima TCDS, Colosimo EA, Bastos JV. A retrospective cohort study of pulp prognosis in luxated permanent teeth: a competing risk analysis. Clin Oral Investig 2024; 28:187. [PMID: 38430349 DOI: 10.1007/s00784-024-05574-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 02/22/2024] [Indexed: 03/03/2024]
Abstract
AIM The present retrospective cohort study aimed to evaluate luxated permanent teeth for pulp prognosis and risk factors. METHODOLOGY Case records and radiographs of 224 patients, involving 427 luxated permanent teeth, referred for treatment at the Dental Trauma Center-School of Dentistry, Universidade Federal de Minas Gerais, (DTC-SD-UFMG) from 2014 to 2022, were assessed for pulp prognosis classified as vitality, necrosis and pulp canal obliteration (PCO). A competing risk survival analysis estimated the hazards of the three outcomes, and the effect of demographic, clinical and treatment variables was tested using a cause specific Cox regression model. RESULTS Pulp vitality was found in163 teeth (38.2%), pulp necrosis in 120 teeth (28.1%) and 55 teeth (12.9%) developed PCO. Pulp vitality decreased in the presence of concomitant crown fractures (HR 0.38 95% CI [0.2-0.8] p = 0.006). The risk of pulp necrosis (HR 0.62 95% CI [0.4-0.96] p = 0.03) was lower in cases with open apices but increased with concomitant crown fractures (HR 4.0 95% CI [2.6-6.1] p = 0.001) and intrusions (HR 2.3 95% CI [1.2-4.1] p = 0.007). Lateral or extrusive luxations (HR 3.0 95% CI [1.3-6.9] p = 0.001) and open apices (HR 2.4 95% CI [1.2-4.7] p = 0.01) showed higher rates of PCO. CONCLUSION Type of luxation, the diameter of the apical foramen, and the presence of concomitant crown fractures were main determinants of pulp prognosis after luxation injuries in permanent teeth. CLINICAL RELEVANCE Pulp prognosis after tooth luxation is dependent on the presence and direction of tooth displacement together with infection control. CLINICAL TRIAL REGISTRATION Not applicable.
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Affiliation(s)
- Sylvia Cury Coste
- Restorative Dentistry Department, School of Dentistry, Universidade Federal de Minas Gerais, R. Prof. Moacir Gomes de Freitas, 688, Pampulha, Belo Horizonte/MG, 31270-901, Brazil.
| | - Márcio Augusto Ferreira Rodrigues
- Statistics Department, Institute of Exact Sciences, Universidade Federal de Minas Gerais, Belo Horizonte, 31270-901, Brazil
- Institute of Mathematics & Statistics, Universidade Federal de Goiás, Goiânia, 74690-900, Brazil
| | - Júlia Ferreira Maciel Chaves
- Restorative Dentistry Department, School of Dentistry, Universidade Federal de Minas Gerais, R. Prof. Moacir Gomes de Freitas, 688, Pampulha, Belo Horizonte/MG, 31270-901, Brazil
| | - Thiago César da Silva Lima
- Restorative Dentistry Department, School of Dentistry, Universidade Federal de Minas Gerais, R. Prof. Moacir Gomes de Freitas, 688, Pampulha, Belo Horizonte/MG, 31270-901, Brazil
| | - Enrico Antônio Colosimo
- Restorative Dentistry Department, School of Dentistry, Universidade Federal de Minas Gerais, R. Prof. Moacir Gomes de Freitas, 688, Pampulha, Belo Horizonte/MG, 31270-901, Brazil
| | - Juliana Vilela Bastos
- Restorative Dentistry Department, School of Dentistry, Universidade Federal de Minas Gerais, R. Prof. Moacir Gomes de Freitas, 688, Pampulha, Belo Horizonte/MG, 31270-901, Brazil
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Shalish M, Abed J, Keinan D, Slutzky-Goldberg I. The consequences of orthodontic extrusion on previously intruded permanent incisors-A retrospective study. Dent Traumatol 2024; 40:54-60. [PMID: 37638617 DOI: 10.1111/edt.12880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 07/24/2023] [Accepted: 07/25/2023] [Indexed: 08/29/2023]
Abstract
AIM The aim of this study is to compare the adverse effects that occur after orthodontic extrusion of teeth that have been traumatically intruded with those of similar teeth that have not experienced any trauma. BACKGROUND The outcome of incisors intrusion can be affected by the patient's age, extent of injury, root development, and malocclusion. Orthodontic extrusion is a potential solution, but it may also cause complications. MATERIALS AND METHODS A retrospective study of the effects of extrusion of traumatically intruded teeth was carried out. The study group included 21 teeth in 14 patients. The control group included 32 teeth in 10 patients that underwent orthodontic extrusion with no history of trauma. Patients' age, gender, and stage of root development were recorded. The severity of the intrusion was classified as mild (<3 mm), moderate (3-6 mm), and severe (≥7 mm). A comparison of signs of pulp necrosis and root resorptions between the groups was made. RESULTS The central incisor is the tooth that is most injured in 80.9% of cases. A majority of these incidents involve severe intrusion, which was found in 42.9% of cases. 90% of the traumatized teeth had already lost their vitality prior to orthodontic treatment. Various forms of root resorption were observed in the study group. In the control group, 31.2% of teeth showed signs of external root resorption, but no endodontic intervention was carried out during the follow-up period, as these teeth remained vital. CONCLUSIONS Following intrusion, there is a high risk for root resorption and pulp necrosis. Orthodontic repositioning should be carried out with caution and mild force to prevent complications. Long-term follow-ups are required to ensure the best possible outcome.
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Affiliation(s)
- Miriam Shalish
- Department of Orthodontics, Hadassah Medical Center, Faculty of Dental Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Jawad Abed
- Department of Oral and Maxillofacial Surgery, Orthodontic Division, Baruch Padeh Medical Center Poriya, The Azrieli Faculty of Medicine, Bar Ilan University, Ramat Gan, Israel
| | - David Keinan
- Department of Endodontology, The Maurice and Gabriella Golschlegger School of Dental Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Iris Slutzky-Goldberg
- Department of Endodontics, Galilee College of Dental Sciences, The Azrieli Faculty of Medicine, Bar Ilan University, Ramat Gan, Israel
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Budak L, Sarao SK, Levin L. Fragment rehydration, splinting, and autotransplantation: A journey to better treatment for traumatized teeth. Dent Traumatol 2024; 40:1-4. [PMID: 38213107 DOI: 10.1111/edt.12919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
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Roskamp L, Perin CP, Castro JPD, Mattos NHR, Campos MCBPD, Gabardo MCL, Ignácio SA, Locks MEN, Westphalen VPD, Baratto-Filho F. Retrospective analysis of survival of avulsed and replanted permanent teeth according to 2012 or 2020 IADT Guidelines. Braz Dent J 2023; 34:122-128. [PMID: 37194850 DOI: 10.1590/0103-6440202305255] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 01/18/2023] [Indexed: 05/18/2023] Open
Abstract
This study aimed to compare the survival of replanted teeth that followed the 2012 or the 2020 International Association of Dental Traumatology (IADT) guidelines. Sixty-two permanent replanted teeth were retrospectively assessed (IADT 2012, n = 45; IADT 2020, n = 17). Five years after replantation (from January 2017 to December 2021), clinical and radiographic examinations were performed. A significance level of 95% was considered to evaluate the outcomes. Thirty-one teeth (50.0%) remained in their sockets and 31 (50.0%) were lost due to external root resorption. Of the 25 (40.3%) teeth replanted within one hour, 16 (64.0%) remained in their sockets, and 9 (36.0%) were lost. Twenty-two (71.0%) of all 31 lost teeth had an extra-alveolar time of more than one hour. Twelve teeth remained in their sockets without resorption: 8 (66.7%) were replanted within one hour, 2 (16.7%) followed the 2012 IADT, and 2 (16.7%) the 2020 IADT guidelines for late replantation. There was a significant difference (p <0.05) in the extra-alveolar time (< one hour), but without difference between the guidelines in late replantation (p > 0.05). Replanted teeth following both, 2012 or 2020 IADT guidelines, have similar clinical outcomes. The extra-alveolar time of less than one hour was demonstrated to be important to keep the permanent tooth in its socket.
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Affiliation(s)
- Liliane Roskamp
- Department of Dentistry. Universidade Tuituti do Paraná, Curitiba, PR, Brazil
| | - Camila Paiva Perin
- Department of Dentistry. Universidade Tuituti do Paraná, Curitiba, PR, Brazil
| | | | | | | | | | | | | | | | - Flares Baratto-Filho
- Department of Dentistry. Universidade da Região de Joinville, Joinville, SC, Brazil
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Joos M, Joos R, Berli C, Filippi A. Photographic assessment of simulated dental luxation injuries. Dent Traumatol 2021; 37:601-607. [PMID: 33780149 DOI: 10.1111/edt.12674] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/11/2021] [Accepted: 03/12/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND/AIM Dental photographs are a valid means for documentation of dental luxation injuries. The aim of the study was to evaluate the utility of two photographs from different perspectives in the assessment of dental luxation injuries compared to one perspective only. MATERIALS AND METHODS Photographs of simulated dental luxation injuries were shown to experts in dental traumatology and other dentists who had to estimate the displacement in the vertical and horizontal dimensions. The overall error of estimation as a result of both vertical displacement and horizontal displacement was calculated and statistically analyzed. RESULTS The mean overall error of estimation was 0.43 mm and 0.75 mm for experts and dentists, respectively. If two (frontal and occlusal) perspectives were available, the overall error was lower than when only one perspective was available (p < .001). Experts had a lower overall error compared to dentists (p < .015). CONCLUSION Two photographs from two perspectives allowed better interpretation of dental luxation injuries.
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Affiliation(s)
- Marc Joos
- Department of Oral Surgery and Center of Dental Traumatology, University Center for Dental Medicine Basel (UZB), Basel, Switzerland
| | - Roland Joos
- Institute of Optometry, University of Applied Sciences (FHNW), Olten, Switzerland
| | - Constantin Berli
- Department of Oral Surgery and Center of Dental Traumatology, University Center for Dental Medicine Basel (UZB), Basel, Switzerland
| | - Andreas Filippi
- Department of Oral Surgery and Center of Dental Traumatology, University Center for Dental Medicine Basel (UZB), Basel, Switzerland
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