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INTENTIONAL REPLANTATION OF MULTIPLE TEETH
Ivashchenko AV1, Fedyaev IM2, Yablokov AE2 » Kolganov IN2, Balandin EI3, Tlustenko VP2
1 Innovative Dental Center, Samara
2 Samara State Medical University, Samara
3 Medical University Reaviz, Samara
One of the alternatives to permanent tooth removal is intentional reimplantation. A tooth saved by reimplantation can later serve as a support for various types of dental prostheses. Tooth replantation is indicated if there is an infection in the periapical area unresponsive to conservative treatment or apicoectomy is not possible, etc. The female patient S. presented with missing teeth and significant coronal decay both on the upper and lower jaws. Three months after the teeth had been extracted and reimplanted, the patient underwent another panoramic radiography scan. On the post-op orthopantomogram the dental cement appeared evenly distributed in the root canals and the trabecular bone tissue was rebuilding in the periapical area of the replanted teeth. Later, we installed fixed dental porcelain-fused-to-metal prostheses supported by the replanted teeth. The patient also received removable dentures. A 2-year follow-up showed no signs of pathologic mobility in the replanted teeth, robust trabecular tissue regeneration in the periapical area and stability of dental prostheses supported by the replanted teeth.
Keywords: tooth reimplantation, apicoectomy, tooth extraction, prosthodontics
Qx] Correspondence should be addressed: Alexey E. Yablokov
Novo-Vokzalnaya 167A, kv. 61, Samara, 443016; [email protected]
Received: 04.04.2018 Accepted: 10.04.2018
DOI: 10.24075/brsmu.2018.030
МНОЖЕСТВЕННАЯ РЕПЛАНТАЦИЯ ЗУБОВ
А. В. Иващенко1, И. М. Федяев2, А. Е. Яблоков2 И. Н. Колганов2, Е. И. Баландин3, В. П. Тлустенко2
1 Инновационный стоматологический центр, Самара
2 Самарский государственный медицинский университет, Самара
3 Медицинский университет «Реавиз», Самара
В настоящее время одной из альтернатив операции удаления зуба является реплантация. Методика позволяет сохранить зуб, подлежащий удалению, который в последующем может служить опорой для различных ортопедических конструкций. Показаниями к реплантации зуба являются: наличие очага инфекции в периапикальной области при неэффективности консервативных методов лечения, невозможность проведения резекции верхушки корня и т. д. У пациентки С., обратившейся с жалобами на частичное отсутствие зубов, были выявлены значительные разрушения коронковой части зубов верхней и нижней челюстей. После удаления с последующей реплантацией через 3 месяца была выполнена ортопантомограмма. На рентгенографии выявлено равномерное заполнение корневых каналов цементом по всей длине и состоятельная трабекулярная костная ткань в области верхушек корней реплантированных зубов. С опорой на реплантируемые зубы были установлены несъемные металлокерамические конструкции. В последующем проведено протезирование съемными ортопедическими протезами. По результатам проведенного лечения и анализа рентгенологических данных за двухлетний срок наблюдения нами было установлено отсутствие патологической подвижности у реплантированных зубов, состоятельность костной ткани в области их верхушек и стабильность ортопедических конструкций, опорой для которых послужили реплантированные зубы.
Ключевые слова: реплантация зуба, резекция верхушки корня, удаление зуба, протезирование
Для корреспонденции: Яблоков Алексей Евгеньевич
ул. Ново-Вокзальная, д. 167А, кв. 61, г Самара, 443016; [email protected]
Статья получена: 04.04.2018 Статья принята к печати: 10.04.2018
DOI: 10.240757vrgmu.2018.030
Replantation is the reinsertion of an extracted tooth back into its socket. An eligible tooth will have a well-preserved crown and no widely diverging or curved roots [1-4]. The replanted tooth can be later capped with a dental crown, both porcelain-fused-to-metal or any type of all metal [5-6]. Replantation has a favorable prognosis if the alveolar periosteum is intact and the periodontal ligament minimally damaged; the total loss of the ligament will result in the direct attachment of the root to the bone and therefore entails a poor prognosis. The replanted tooth can remain functional for 1 to 3 years or even longer; the best results are observed for otherwise healthy luxated or avulsed teeth [7-9].
Further improvement of the replantation technique will take management of the partial loss of teeth to a new level [10-12]. The aim of the present work was to study the aspects of bone regeneration in the periapical area of replanted teeth.
Clinical case report
The female patient S. aged 41 presented with missing teeth. The oral cavity was examined and panoramic radiography performed to reveal severe coronal decay both on the upper and lower jaws in teeth 1.1, 1.2, 1.3, 1.4, 1.6, 2.4, 2.5, 2.7, 3.2, 3.4, 3.7, 4.3, 4.4, 4.5, and 4.6 (Fig. 1).
Based on the orthopantomogram and visual examination, a decision was made to completely remove teeth 1.2, 1.4, 1.6, 2.4, 2.5, 2.7, 3.1, 3.2, 3.7, 4.1, 4.3, and 4.6 and replant teeth 1.1, 1.3, 3.4, 4.4, and 4.5. Extractions were performed over a series of visits and were followed by immediate intentional replantation; the patient was anesthetized with 1.7 ml of Septanest 1 : 100 000, a local dental anesthetic by Septodont, France. Teeth 1.1, 1.3, 3.4, 4.4 were extracted very gently, as we aimed to maximally preserve the periodontal tissue and the alveolar periosteum. Unfortunately, during the extraction of tooth 4.5 the distal periosteum, part of the bone tissue and the periodontal ligament were damaged. After removing the roots, we performed an extraoral apicoectomy followed by retrofilling with a dental cement. Teeth 1.1, 1.3, 3.4, 4.4, and 4.5 were replanted and the patient was offered a post and core dental restoration and further prosthodontic treatment. The patient was scheduled for a panoramic radiography scan three month after the replantation (Fig. 2), which revealed an even distribution of the dental cement in the root canals and the rebuilding trabecular bone tissue in the periapical area of the replanted teeth. So, we decided to install fixed dental porcelain-fused-to-metal prostheses supported by the replanted teeth. Later the patient received removable partial dentures for the
upper and lower jaws. The prostheses were reinforced with a cobalt-nickel-chromium alloy.
The patient presented for a final checkup two years later. She had no complaints; the replanted teeth were stable with no signs of pathologic mobility. Intraoral radiographic images of teeth 1.1, 1.2, 1.3, and 3.4 showed robust trabecular tissue in the periapical area. No sites of inflammation were observed (Fig. 3 A, B).
Case discussion
Throughout the follow-up period the periodontal space was visible on the radiographs along the entire root length in teeth 1.1-1.3. No signs of bone tissue pathology were observed in the root area. This observation led us to conclude a fibro-osseous type of integration process.
Bitewing radiography of teeth 4.4 and 4.5 (Fig. 4) revealed root demineralization in tooth 4.5, the narrowing of the distal periodontal space and the absence of inflammation in the periapical area. When palpated, the teeth were stable with no signs of pathologic mobility. The outcome was not perfect because the extraction of tooth 4.5 had been traumatic and accompanied by a considerable damage to the periodontal ligament and the alveolar periosteum.
Fig. 1. The orthopantomogram of the female patient S. aged 41 before reimplantation
Fig. 2. The orthopantomogram of the same patient 3 months after the replantation
Fig. 3. (A, B). Bitewing radiographs of the replanted teeth 1.1-1.3 and 3.4 of the same patient
CONCLUSIONS
Based on the physical examinations and the analysis of radiographs taken over a 2-year follow-up (Fig. 5), we established that the replanted teeth did not show any signs of pathologic mobility, the bone tissue in the periapical area was rebuilt and dental prostheses supported by the replanted teeth were
stable. The effect of complications that accompanied the extraction on further replantation allows us to conclude that a successful outcome can be achieved through careful and gentle handling of the periodontal ligament and the periosteum. Thus, replantation success directly depends on two factors: the extent of the initial root decay and the damage to the periosteum and the periodontal ligament during extraction.
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