|Year : 2016 | Volume
| Issue : 2 | Page : 71-74
Autotransplantation of malposed mandibular right lateral incisor
Priyanka Shivanand, GA Babitha, Saubhik Ghosh, Shobha Prakash
Department of Periodontics, College of Dental Sciences, Davangere, Karnataka, India
|Date of Web Publication||5-Jan-2017|
Department of Periodontics, College of Dental Sciences, Davangere, Karnataka
Source of Support: None, Conflict of Interest: None
| Abstract|| |
Single tooth malposition has been a problem since antiquity, and attempts have been made to correct this for quite a while. Autogenous tooth transplantation, or autotransplantation, is the surgical repositioning of a tooth from one location in the mouth to another in the same individual. Patient selection accompanied with an appropriate technique can lead to phenomenal esthetic and functional results. Here, the donor tooth was extracted, treated endodontically, and transferred to a prepared socket and splinted. On postoperative radiographic examination, the donor tooth showed no pathological changes and had no mobility associated and was well in function and esthetics.
Clinical Relevance To Interdisciplinary Dentistry
Autotransplantation is a viable, conservative, and an economically alternative treatment to implant or extraction to position a malposed tooth/teeth.
Keywords: Autotransplantation, esthetics, tooth replantation
|How to cite this article:|
Shivanand P, Babitha G A, Ghosh S, Prakash S. Autotransplantation of malposed mandibular right lateral incisor. J Interdiscip Dentistry 2016;6:71-4
|How to cite this URL:|
Shivanand P, Babitha G A, Ghosh S, Prakash S. Autotransplantation of malposed mandibular right lateral incisor. J Interdiscip Dentistry [serial online] 2016 [cited 2020 Sep 20];6:71-4. Available from: http://www.jidonline.com/text.asp?2016/6/2/71/197685
| Introduction|| |
Autogenous tooth transplantation, or autotransplantation, is the surgical movement in one individual of a vital or endodontically treated tooth from  its site of origin and transplanted to a surgically prepared socket.  Autogenous tooth transplantation was first well documented in 1954 by Hale. 
Orthodontic space closure and prosthetic replacement are two possible perspectives to solve single tooth malposition but can undermine esthetics, symmetry, occlusal function, or periodontal stability.  The transplantation is considered as an oral rehabilitation's alternative approach, of conservative character, mainly in young patients presenting a tooth structure compromised by caries or in patients with little financial conditions to perform a high-cost treatment. 
On tooth transplantation, main indications are to clinical cases of congenital tooth absence; traumas; atypical toot eruption; extensive carious lesions; root resorption; endodontic treatment failures (intentional reimplantation); root fractures; periodontal disease; need for tooth extractions; and if the prosthetic treatment is not practical, due to socioeconomic reasons. 
Here is a clinical case of autogenous tooth transplantation of a malposed tooth of the mandibular anterior teeth that was attempted with the consent of the patient with risks and complications of the treatment explained.
| Case Report|| |
A 28-year-old systemically healthy female individual visits the OPD Department of Periodontics and Implantology, College of Dental Sciences, Davangere, with a chief complaint of spacing in the lower right front tooth region and gives no history of trauma or exfoliation of tooth.
On intraoral examination, transpositioned mandibular right lateral incisor (42) placed lingual to canine and interdental spacing between the right lower central and canine [Figure 1]. Intraoral periapical radiograph showed overlap of the tooth, with no evidence of alveolar bone loss [Figure 2].
On the recipient site, a new socket area was created with water-cooled tungsten carbide bur using slow speed [Figure 3] and the recipient site was covered with wet gauze. Lingually placed lateral incisor was carefully extracted to prevent any damage to the periodontal ligament and was placed into the recipient site to check its dimensions and occlusal interferences. Proximal slicing was performed to fit the tooth interdentally in passive form [Figure 4]. Endodontic therapy followed by apicoectomy was done of the donor tooth, to avoid any postendodontic inflammatory responses; the extraction socket was grafted using PerioGlas™  and AbGel™ [Figure 5]; and a surgical hemostatic gelatin sponge and donor tooth was transferred to the modified recipient site and placed in slight infraocclusion and splinted for 2 weeks  on either side of the donor tooth.
|Figure 4: Tooth passively placed into socket, aligned in arch and occlusion|
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The recipient and donor sites were grafted and sutured surgical pack was placed and immediate postoperative radiograph was taken [Figure 6].
The patient was advised postoperative instructions and medications and recalled after 1 week for suture removal, and periodic checkup of clinical and radiographic evaluation was done up to 6 months [Figure 7] and [Figure 8].
| Discussion|| |
Successful transplantation relies on specific requirements of the patient, donor tooth, and recipient site. The patient should be healthy, without systemic diseases and cooperative for follow-ups. 
Implants are preferable option than autotransplants because of their high success rate and practicality. However, autotransplantation is an economical option for an edentulous space or grossly decayed tooth because the procedure is performed in one stage and no prosthesis is required. 
A tooth with complete or near complete root formation will generally require root canal therapy, and atraumatic surgical extraction should be performed to preserve viable periodontal ligaments. Yoshino et al.  found that periodontal attachment loss (54.9%), root resorption (26.5%), dental caries (4.0%), root fracture (2.9%), and others (11.8%) are causes of autotransplanted tooth loss. Recipient site should have adequate bone support and should be free from inflammatory and infected tissue for better success of transplantation,  and inflammatory root resorption can lead to failure of transplant. 
Lundberg and Isaksson  recommended that immature donor teeth should be placed in infraocclusion and mature donor teeth in occlusion or slight infraocclusion, which was followed in the present study.
Hernandez and Cuestas-Carnero  stated that nonrigid splinting negatively interfere in the periodontal ligament, because it allows a certain mobility, which is a crucial stimulating factor for periodontal fibers' regeneration and favors the transplantation prognosis and use of a rigid splinting promotes the complete immobilization of the tooth, instigating tooth resorption.
Gatti et al,  on examining under Electron Scanning Microscopy, observed PerioGlas™ granules, ranging from 90 to 710 mm, implanted after tooth extraction in three patients; after 6 months bone biopsies performed in the site showed a biodegradation involving precipitation of calcium phosphate that worked as a scaffold for osteoblasts colonization resulting in new bone formation and biodegradation of the glass.
Successful tooth autotransplantation helps attain improved esthetics, arch form, dentofacial development, mastication, speech, and arch integrity. In the present case, the patient was overwhelmed with the results and appreciated the outcome of the transplanted tooth. The patient compliance in all autotransplantation stages is imperative for success, to avoid complications during and after its clinical path. 
| Conclusion|| |
Autogenous tooth transplantation can be an applicable alternative mainly in young patients with low socioeconomic conditions when well indicated, planned, and performed with surgical technique knowledge, allowing the reestablishment of the esthetics and arch form. Under given conditions, autotransplantation in combination with endodontic therapy is a viable alternative treatment option in the correction of single tooth malposition.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2], [Figure 3], [Figure 4], [Figure 5], [Figure 6], [Figure 7], [Figure 8]