A comparison of results obtained from transplantation and replantation experiments using syrian hamster teeth

Myers, Hugh I.; Flanagan, Viola D.

doi:10.1002/ar.1091300303

Cited by 27 publications

(6 citation statements)

References 9 publications

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“…1,2 Studies in this area have targeted pulp revascularization in replanted and transplanted teeth. 3,4 Revascularization of the pulp tissue occurred in some cases and root resorption complications in others, demonstrating the unpredictability of this procedure. 5,6 Recently, pulp revascularization has been reported to promote root development, with an increase in length, apical closure and narrowing of the root canal space in necrotic immature teeth, as an alternative to apexification.…”

Section: Introductionmentioning

confidence: 99%

Pulp revascularization for immature replanted teeth: a case report

Nagata

Rocha-Lima

Gomes

et al. 2015

Australian Dental Journal

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Immature avulsed teeth are not usually treated with pulp revascularization because of the possibility of complications. However, this therapy has shown success in the treatment of immature teeth with periapical lesions. This report describes the case of an immature replanted tooth that was successfully treated by pulp revascularization. An 8-year-old boy suffered avulsion on his maxillary left lateral incisor. The tooth showed incomplete root development and was replanted after 30 minutes. After diagnosis, revascularization therapy was performed by irrigating the root canal and applying a calcium hydroxide paste and 2% chlorhexidine gel for 21 days. In the second session, the intracanal dressing was removed and a blood clot was stimulated up to the cervical third of the root canal. Mineral trioxide aggregate was placed as a cervical barrier at the entrance of the root canal and the crown was restored. During the follow-up period, periapical repair, apical closure and calcification in the apical 4 mm of the root canal was observed. An avulsed immature tooth replanted after a brief extra-alveolar period and maintained in a viable storage medium may be treated with revascularization.

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Section: Introductionmentioning

confidence: 99%

Pulp revascularization for immature replanted teeth: a case report

Nagata

Rocha-Lima

Gomes

et al. 2015

Australian Dental Journal

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“…It was observed that replanted or transplanted teeth could recover their revascularized tissue in spite of the injury [1][2][3][4] . In 1961, Östby 5 observed in his study the importance of the blood clot in the periapical healing of teeth with empty root canals.…”

Section: Introductionmentioning

confidence: 99%

Pulp revascularization: an alternative treatment to the apexification of immature teeth

Albuquerque

Nagata

Soares

et al. 2014

RGO, Rev. Gaúch. Odontol.

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RESUMOA revascularização pulpar pode ser considerada atualmente como um tratamento alternativo à apicificação e é indicado para dentes com rizogênese incompleta e necessidade de tratamento endodôntico. A apicificação envolve a realização de trocas periódicas em longo prazo de uma pasta de hidróxido de cálcio com o objetivo de formar uma barreira calcificada. Apesar de ser a terapia mais empregada, a permanência desta medicação por longos períodos e as trocas sucessivas, podem levar à fragilização da raiz devido às propriedades higroscópicas e proteolíticas do hidróxido de cálcio, aumentando o risco de fraturas e contaminação do espaço pulpar. Desta forma, tem-se buscado novas alternativas de tratamento que possibilitem o fechamento do forame apical dos dentes imaturos sem que ocorra a fragilização dos mesmos. A revascularização pulpar tem surgido como uma nova opção de tratamento para estimular o término do desenvolvimento radicular e não apenas o fechamento apical. Há na literatura uma variedade de protocolos utilizando esta técnica, buscando sempre alcançar o sucesso no tratamento. Diante dessa variedade, é de grande importância a realização de uma revisão de literatura sobre revascularização pulpar visando reunir, descrever e discutir os diferentes protocolos, para que possam direcionar novas pesquisas e ser empregada de forma adequada pelo clínico. O objetivo desse trabalho é revisar na literatura os diferentes protocolos de revascularização pulpar.Termos de indexação: Polpa dentária. Endodontia. Regeneração. Pulp revascularization: an alternative treatment to the apexification of immature teethRevascularização pulpar: tratamento alternativo à apicificação de dentes jovens com rizogênese incompleta

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“…Minor animals, such as mice (12), rats (13-15) and hamsters (16)(17)(18)(19)(20)(21)(22) have been used for replantation studies. However, their diminutive dentition presents a serious obstacle, espeeially when endodontic therapy is a part of the experimental proeedure.…”

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confidence: 99%

Experimental dental traumatology: development of a model for external root resorption

Andreasen

1987

Dental Traumatology

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Intentional replantation of teeth appears to be a suitable model for examining the etiology and pathogenesis of root resorption elicited after traumatic dental injury. A histomorphometric analysis of root resorption developed with this model is described. An analysis of the accuracy and precision of the method in replanted monkey incisors has demonstrated that the method is usually reliable in revealing the extent and type of root resorption. In some experimental circumstances, however, where the pulp status was not controlled by endodontic therapy, a large intra‐ and interanimal variation was found in the extent of root resorption. Apart from a relation to tooth maturation and tooth type (incisors versus molars), this variation was primarily caused by haphazard occurrence and extent of inflammatory resorption. Based on an analysis of a series of experimental replantation studies, the following guidelines for experimental design seem appropriate: 1) selection of teeth according to identical tooth development and pulp status (i.e. intact, extirpated or root‐canal‐treated); 2) use of a standardized extraction procedure; 3) consideration of the type of teeth included (i.e. molars vs. incisors), unless paired experiments are planned or the experimental design includes an equal number of incisors and molars allotted to the different experimental groups; 4) side differences (right vs. left side) are apparently of no or minor importance; 5) sex differences are apparently of no or minor importance; 6) an individual proneness to resorption is apparently of no or minor importance, which means that more than one tooth can be used in each animal. The experimental design thus does not dictate the use of paired (i.e. homologous) teeth. However, as a matter of safety, when small differences in healing are expected, paired observations should be used.

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A comparison of results obtained from transplantation and replantation experiments using syrian hamster teeth

Cited by 27 publications

References 9 publications

Pulp revascularization for immature replanted teeth: a case report

Pulp revascularization for immature replanted teeth: a case report

Pulp revascularization: an alternative treatment to the apexification of immature teeth

Experimental dental traumatology: development of a model for external root resorption

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