• 대한치주과학회:학술대회논문집
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• 대한치주과학회 2007년도 춘계학술대회
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• pp.30-30
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• 2007

• Journal of Periodontal and Implant Science
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• 제38권2호
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• pp.225-230
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• 2008

Purpose: Many clinical studies have reported that higher success rates are achieved with teeth that have immature roots than other autotransplanted teeth that have more immature root. However, based on date published recently, the success rate of autotransplantation of teeth with complete root formation was higher. The purpose of this study was to examine the long term(2 to 6 years follow-up) success rate of autotransplantation of third molar with complete root formation and to discuss some conditions and prerequisites for success. Materials and Methods: 26 sites of 24 patients aged 26 to 55 (mean age 40.8) were autotransplanted with third molars with complete root formation. These cases were followed for 2 to 6 years after surgery. The success criteria included (1) no discomfort during functioning (2) absence of progressive root resorption and alveolar bone resorption. Result: Of 26 teeth 5 teeth were failed, therefore success rate is 81%(21/26 teeth). The results suggested that higher success rate is acquired from (1) extraction socket due to dental caries (2) mandibular recipient site (3) patient younger than 40 years old. Autotransplantation of third molar to replace molars with advanced periodontal disease also showed considerably high success rate(84%). Conclusion: With appropriate case selection, autotransplantation of third molar with complete root formation remains a viable alternative for replacing a missing molar tooth.

• 대한소아치과학회지
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• 제25권3호
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• pp.562-568
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• 1998

저자는 본 병원에 내원한 환자중 미완성치근단을 가지고 있으며 외상받은 치아 및 자가이식치아를 대상으로 기존의 치수생활력 검사방법과 더불어 LDF를 이용한 검사방법을 통해 다음과 같이 요약할 수 있다. 1. 치수생활력유무를 판단함에 있어 현재까지 널리 사용된 전기치수검사, 냉검사등의 방법은 치수 내 신경발달 정도 및 피검자의 주관에 의해 반응이 다르게 나타나는 경우가 많다. 2. 이에 반해 LDF를 이용한 치수생활력 검사방법은 위음성 및 위양성 반응의 빈도가 낮아 신뢰도가 높으며 비교적 조기에 치수생활력을 측정할 수 있는 우수한 방법이다.

• 대한심미치과학회지
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• 제10권2호
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• pp.9-14
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• 2001

Autotransplantation of tooth has recently become a combined method with orthodontic therapy. With the use of autotransplantation, it has become possible for orthodontists to solve complicated problems in the dental arches. Autotransplanted teeth showed the same development as their contralaterals with respect to both eruption and root growth. This indicates that autotransplantation and orthodontic treatment is a method that should be considered in case of impacted, missing, or malformed teeth. In this report two cases are presented to demonstrate that orthodontic treatment with autotransplantation can contribute to more satisfactory solution to the problem for impacted teeth.

• 대한구순구개열학회지
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• 제16권1호
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• pp.25-35
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• 2013

We report the treatment of an adult Class II malocclusion with severe crowding and a hopeless lower second molar. According to the treatment plan, 4 premolars and 4 third molars were to be extracted for 2-jaw surgery. To replace the hopeless lower second molar, one upper third molar was successfully autotransplanted during the pre-surgical orthodontic treatment. Multiple teeth are frequently extracted for treatment purposes in adult surgical cases. Under precise diagnosis, the reuse of extracted teeth to replace missing teeth can be a successful alternative even in adult surgical patients.

• 대한치과교정학회지
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• 제48권2호
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• pp.125-130
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• 2018

Traumatic dental injury is considered a public dental health problem because of a high childhood incidence, high treatment costs, and prolonged treatment time. Although management guidelines for traumatized teeth have been outlined, tooth loss following trauma is occasionally unavoidable. Here, we describe the successful interdisciplinary management of a traumatized central incisor in an 11-year old boy that was extracted because of a poor prognosis and restored by the autotransplantation of an immature donor tooth into the site. The patient underwent orthodontic treatment in order to close the donor site space and bring the autotransplanted tooth to an ideal position. Postorthodontic treatment radiographs and photographs revealed an esthetic and functional natural tooth replacing the lost tooth. The findings from this case suggest that autotransplantation offers unique advantages as a treatment modality for the restoration of missing teeth, particularly in growing children.

• 대한소아치과학회지
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• 제44권3호
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• pp.317-326
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• 2017

이 연구의 목적은 인위적으로 형성된 수여부에 자가이식한 상악 견치의 생존율과 성공률에 대해 알아보고 성공적인 이식에 영향을 주는 요인에 대해 분석하는 것이다. 28명 남녀 어린이의 37개의 자가이식한 상악 견치에 대해 후향적으로 조사하였으며 평균 관찰 기간은 25.1개월이었다. 임상 및 방사선적 평가를 통해 동요도, 병적인 치근 흡수, 수직적 치조골소실 그리고 유착에 대해 조사하였다. 관찰 기간 동안 100%의 생존을 보였으나 13개의 치아가 실패로 분류되어 64.9%의 성공률을 보였다. Cox 비례위험모형에서 성공률에 영향을 주는 요인은 공여치아의 치낭의 비후로 나타났다. 이 연구는 임상가들에게 자가치아이식 시 인위적으로 치조와를 형성할 경우 예후를 판단하는 지침이 될 수 있다고 생각된다.

• Journal of Periodontal and Implant Science
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• 제39권4호
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• pp.431-435
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• 2009

Purpose: The purpose of this study is to evaluate the long term clinical and radiographic outcome and stability after transplantation of third molar with complete root formation. Methods: The subjects were 31 teeth (male 17, female 14, aged 22-55, average 39.9 yr old) of 31 patients who visited the department of periodontics and passed more than two years after autotransplantation procedure and still under regular check up. Modified success criteria of Chamberlin and Goerig was applied to determine the success of autotransplantation. Results: Three out of 31 teeth failed and resulted 90.3% of success rate. When compared according to sex, 15 out of 17 teeth had succeeded in male, 13 out of 14 succeeded in female. When compared the success rate according to cause of extraction, tooth loss due to caries and root fracture had all succeeded but 3 out of 24 had failed in tooth loss due to periodontal disease. When compared according to donor teeth, 12 out of 14 maxillary third molars and 16 out of 17 mandibular third molars had succeeded. Conclusions: In long term evaluation over two years, if appropriate surgical procedure and proper case selection is made, autotransplantation of the third molar with complete root formation can be the alternative choice that substitutes prosthetic or implant treatment and it is a functionally acceptable procedure.

• Journal of Periodontal and Implant Science
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• 제31권1호
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• pp.193-209
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• 2001

The prognosis of transplanted teeth is strongly related with periodontal healing. Several experimental studies showed that the application of enamel matrix derivatives on periodontitis-affected root surfaces resulted in periodontal regeneration. The purpose of this study was to determine the effect of enamel matrix derivatives on periodontitis-affected root surfaces prior to transplantation in dogs. Class III Furcation defects were surgically created on the left second, the third and the fourth premolar in the mandibles of nine mongrel dogs and experimental periodontitis was induced by placing small cotton pellets into defects for 3 weeks. Periodontitis-affected roots were treated by scaling and planing and the coronal portions were removed. Each root was extracted and implanted into recipient bed prepared in the contralateral premolar area. The transplanted roots were grouped according to the treatment modalities; Group I- roots treated with saline only, Group II- roots conditioned by neutral EDTA, and Group III- roots conditioned by neutral EDTA and enamel matrix derivatives ($EMDOGAIN^{(R)}$, BIORA Co., Sweden). The animals were sacrificed at 1 week, 3 weeks, and 10 weeks after transplantation and decalcified specimens were prepared for histologic examination. In Group I, healing was most frequently characterized by root resorption and ankylosis. In Group II, with root resorption and ankylosis in a few specimens, connective tissue attachment was partly seen on denuded root surface, but no cementum formation was seen. In Group III, there was regeneration by new cementum and periodontal ligament on denuded root surface, although slight root resorption and ankylosis were found in a few specimens. This result suggests that enamel matrix derivatives treatment on periodontitis-aggected root surface could reduce the frequency of root resorption and ankylosis and contribute to periodontal regeneration, and might be useful for autologous transplantation.