Cases reported "Tooth Avulsion"

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1/42. Management of an avulsed primary incisor.

    The case describes the management of an avulsed maxillary central primary incisor of a 3 1/2-year-old girl. The tooth was retained in the oral cavity for 30 min. After replantation it was splinted for 17 days. At day 11 the root canal was completely instrumented and obturated with a calcium hydroxide paste. The 1-year follow-up documented no pathologic clinical or radiographic findings. One and a half years after the trauma the tooth was extracted since a fistula and extensive external inflammatory resorption had developed. The permanent successor erupted along with its neighboring central incisor without any complications 6 months later. Conventional approaches for treating avulsed permanent teeth could also be applied to avulsed primary incisors to preserve them for a certain period without the additional risk of damaging their developing permanent successors.
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ranking = 1
keywords = resorption
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2/42. Contemporary treatment of the resorbed avulsed tooth: a case report.

    This report describes the treatment sequence after traumatic loss of a maxillary central incisor in a 15-year-old patient. Following extraoral root canal treatment and initially successful replantation, the case presented 9 years later with complete root resorption. After augmentation with an autologous mandibular corticocancellous graft, a dental implant was placed in a second stage surgery. The case highlights the challenge facing clinicians in providing the appropriate standard of care for today's treatment options.
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ranking = 1
keywords = resorption
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3/42. Complete replacement resorption after replantation of maxillary incisors: report of case.

    This article describes the treatment of a 17-year-old patient with complete root resorption of the maxillary permanent central and lateral incisors following avulsion and replantation seven years ago. The most important factor influencing the prognosis of replanted teeth is the status of the periodontal ligament (PDL). As a result of replantation, the PDL cells necrosed and tooth replacement resorption occurred. The main factors, which affected the resorption after replantation and survival of PDL cells, could be summarize as; dry extraoral time greater than 30 minutes, the kept tooth in a dry environment, touching the cementum surface, and splint treatment for a prolonged time. Since complete root resorption was found in our case, these factors probably also occurred.
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ranking = 8
keywords = resorption
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4/42. A case report of a vital replanted tooth with unfavourable extra-alveolar condition: a 10-year follow-up.

    This case report describes the survival of a maxillary left central incisor after an avulsion injury under unfavourable extra-alveolar condition, when the patient was 9 years old. At subsequent clinical follow-ups, the tooth maintained vitality 10 years after the injury. There was sign of gradual obliteration of the root canal space. Concomitantly, the replanted tooth manifested typical characteristics of ankylosis with minimally detectable resorption complication.
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ranking = 1
keywords = resorption
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5/42. Conservative treatment of severely luxated maxillary primary central incisors: case report.

    The treatment and follow-up evaluation of two orally luxated maxillary primary central incisors in a three-year-old girl is described. The injured teeth were displaced into a cross-bite with their mandibular opposing teeth. They were repositioned shortly after the injury and splinted with composite resin for two weeks. oral hygiene instructions and antibiotic therapy were prescribed. Two weeks after the injury a necrotic pulp was removed and the root canals filled with a resorbable paste. Thirty months after the injury, the teeth and the surrounding tissues were clinically and radiographically asymptomatic and physiologic root resorption could be noted. The permanent successors erupted soon after natural exfoliation of the injured primary teeth. Only mild hypocalcified defects were observed on the permanent incisors.
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ranking = 1
keywords = resorption
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6/42. A multidisciplinary approach to the treatment of an intruded maxillary permanent incisor complicated by the presence of two mesiodentes.

    Treatment of a traumatically intruded maxillary incisor with an immature apex remains controversial. Treatment options include observation, surgical repositioning, or orthodontic forced eruption. Likewise, the ideal timing of surgical removal of a mesiodens is highly controversial: immediate versus delayed intervention. The complications associated with untreated supernumerary teeth include: overretention of primary teeth, delayed eruption of permanent incisors, rotations, impaction, diastema, pulp necrosis and root resorption. Less common sequelae include enlarged follicular sacs, cystic degeneration and nasal eruption. This paper describes another risk factor associated with delayed removal of a mesiodens previously not mentioned in the dental literature, namely potential complications arising from a traumatic injury, in particular intrusion, of the maxillary permanent incisors.
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ranking = 1
keywords = resorption
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7/42. Delayed replantation of avulsed mature teeth with calcium hydroxide treatment.

    Three avulsed teeth that were replanted and splinted after approximately a 200-min dry extraoral period in two patients are presented. In case 1 calcium hydroxide treatment was performed 1 month after replantation, because the patient did not come for endodontic treatment on the day after replantation as requested. In case 2, calcium hydroxide treatment was initiated on the day after replantation. calcium hydroxide treatment was used to prevent or treat inflammatory root resorption. During the follow-up periods the teeth reported in these cases have remained in a stable, functional position and did not reveal clinical ankylosis or replacement resorption.
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ranking = 2
keywords = resorption
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8/42. Investigations on a cell culture medium for storage and transportation of avulsed teeth.

    Non-physiologic storage of avulsed teeth leads to a high incidence of root resorption, resulting in poor prognosis. This study investigated the suitability of specially composed cell culture media for storage of extracted teeth for up to 48 hours. Autoradiographic investigations revealed that the proliferative activity of periodontal ligament (PDL) cells of teeth stored in cell culture medium for up to 48 hours increased with storage time. Studies on proliferation of PDL cells after storage of teeth in different media for up to 24 hours demonstrated that the proliferative activity is dependent on the composition of the medium. Immunohistochemical investigations with markers for cell proliferation revealed that pulp cells of extracted immature teeth show numerous proliferations after storage for up to 24 hours in a special cell culture medium but few proliferations after storage in Hanks Balanced Salt Solution (HBSS). The investigations indicate that a special cell culture medium can preserve cell viability of PDL cells adhering to extracted teeth for at least 48 hours. The in vitro results are confirmed by a case presented: After storage of two upper central incisors for 36 hours in the cell culture medium the teeth could be successfully reimplanted after extraoral insertion of titanium posts into the root canal (auto-alloplastic reimplantation). Clinical and radiological follow-up examinations for 12 months revealed normal periodontal healing.
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ranking = 1
keywords = resorption
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9/42. Decoronation of an ankylosed tooth for preservation of alveolar bone prior to implant placement.

    A 12-year-old patient sustained avulsions of both permanent maxillary central incisors. Subsequently, both teeth developed replacement resorption. The left incisor was extracted alio loco. The right incisor was treated by decoronation (removal of crown and pulp, but preservation of the root substance). Comparison of both sites demonstrated complete preservation of the height and width of the alveolar bone at the decoronation site, whereas the tooth extraction site showed considerable bone loss. In addition, some vertical bone apposition was found on top of the decoronated root. Decoronation is a simple and safe surgical procedure for preservation of alveolar bone prior to implant placement. It must be considered as a treatment option for teeth affected by replacement resorption if tooth transplantation is not feasible.
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ranking = 2
keywords = resorption
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10/42. Auto-alloplastic transplantation of a primary canine after traumatic loss of a permanent central incisor.

    This report describes the transplantation of a primary canine after traumatic loss of a central incisor in an 8-year-old boy. The 7-month follow-up revealed normal periodontal healing with absence of infection, ankylosis or progressive resorption. The patient was then lost for control. After 16 months another trauma in the same patient resulted in an avulsion of the transplant. However, the alveolar bone was maintained in vertical and sagittal dimensions. Another primary canine was transplanted and followed for further 11 months. Again normal periodontal healing could be observed. The transplantation of a primary canine is seen as a promising method to replace a lost permanent tooth and maintain the surrounding tissues in very young patients.
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ranking = 1
keywords = resorption
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