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Inappropriate treatment of traumatic dental injuries.

Traumatic dental injuries are emergencies that must be treated expediently and efficiently to reduce pain and to restore function and appearance. With an increase in the incidence of traumatic dental injuries in our community (I) it is essential that the dental practitioner has "up-to-date" knowledge of dental trauma. The peak incidences of injury are 2-4 years and 8-10 years of age, with statistics revealing 30% of children suffer trauma to the primary dentition, and 22% of children suffer trauma to the permanent dentition by the age of 14 (I). The male to female ratio is 2:1. Aside from the emergency treatment and clinical decisions that must be made at the time of injury there is a need for long-term follow-up because of the high incidences of complications (2, 3). The factors that will influence the extent of injury will be energy impact, the direction of the impacting object, its shape and its resilience (4). Recent articles have raised concerns about inappropriate treatment for traumatic dental injuries (5, 6). This report will look at one such case.

Adolescent↗

Conservative management of an intruded immature maxillary permanent central incisor with healing complication of pulp bone.

Traumatic intrusion injury of permanent teeth is serious with multiple complications possible associated with the pulp, periodontal ligament, alveolar bone and Hertwig's epithelial root sheath. The optimal treatment for the management of an intrusion injury has not yet been determined. A case is presented involving the conservative management of an immature maxillary permanent central incisor intrusively luxated by allowing for re-eruption and orthodontic extrusion two weeks later. After a follow-up period of ten months, the intruded tooth continued to show a mobility of grade one, without metallic percussion tone or infra-occlusion, which confirmed periodontal ligament healing. Although the intruded tooth failed to respond to dry ice testing, no other signs of pulp necrosis were evident and the colour of the intruded tooth was within normal limits throughout the follow-up period. However, complications of healing of Hertwig's epithelial root sheath occurred, causing in-growth of bone and periodontal ligament into the root canal.

Child↗

MTA apexification combined with conventional root canal retreatment.

Apexification aims to induce apical closure of the open root apex with a hard-tissue barrier, against which a root filling can be compacted. Despite the popularity of the apexification procedure, calcium hydroxide therapy has some disadvantages that include variability of treatment time, unpredictability of apical closure, difficulties with patient follow-up and delayed treatment. Mineral trioxide aggregate (MTA) is a potential apical barrier material with good sealability and a high degree of biocompatibility. This paper demonstrates the placement of an apical barrier using MTA as an alternative to conventional long-term calcium hydroxide therapy.

Adolescent↗

Cri du Chat syndrome: a case report.

Cri du Chat Syndrome occurs as a result of a partial deletion in the short arm of chromosome 5. Among the consequent abnormalities are low birth weight, a striking catlike cry in infancy, mental retardation, epicanthal folds, hypertelorism and dental malocclusions. This paper presents a case report on the dental treatment of a 23-year-old patient who received multidisciplinary treatment, including special education and precocious stimulation for carriers of this syndrome.

Adult↗

Replantation of avulsed teeth. A review.

Time is a critical factor in successful replantation. The avulsed tooth is simply washed and replaced immediately. Where contamination with soil occurs anti-tetanus prophylaxis is given and some form of splinting is necessary for 3-4 weeks. Endodontic therapy is performed prior to replacement if there is a delay of more than two hours and where apex formation is complete it should be commenced within 10 days. Calcium hydroxide is useful as a root canal dressing and in controlling resorption. The value of immediate replacement and treatment should be publicised.

Adolescent↗

Root resorption.

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Humans↗

Traumatized anterior teeth in children. A 24-month follow-up study.

The objectives of this Malaysian study were to investigate the relationship between severity of trauma and interval before treatment, and the effect of delayed treatment on prognosis. A total of 123 traumatized permanent incisors were observed over a 24-month period. Results of this study suggest that the interval between trauma and emergency treatment is directly related to the severity of injury and the level of dental awareness of the patients. However, prognosis of these teeth is greatly influenced by the interval between trauma and initial treatment. Pathological pulp changes in these teeth can occur as late as two years after injury and this justifies the necessity for a long observation period following treatment.

Adolescent↗

Developmental disturbances of permanent teeth following trauma to the primary dentition.

The topographic relationship of the apices of the primary teeth to the permanent tooth germs explains the potential for possible developmental disturbances of the permanent teeth after injuries to their predecessors. The anatomical, histologic and clinical aspects of permanent tooth malformation following trauma to the primary teeth are described. One hundred and fourteen children with originally 255 traumatized primary teeth have been re-examined (with an average period of 5.1 years after the trauma) to assess any developmental disturbances of the corresponding permanent teeth. Twenty-three per cent of partially or completely erupted permanent teeth showed developmental disturbances. The most frequent malformation was enamel hypoplasia including enamel discoloration and/or enamel defects. The highest prevalence of developmental disturbances of permanent teeth was found after intrusive injuries of primary teeth.

Adolescent↗

Incidence of invasive cervical resorption in bleached root-filled teeth.

Invasive cervical resorption, a form of external root resorption, has been reported to be associated with intra-coronal bleaching of root-filled teeth and this has raised concerns about carrying out such bleaching procedures. The purpose of the present study was to examine the incidence of invasive cervical resorption in root-filled teeth which had been bleached using a standardized technique. Three observers examined records and radiographs from a total of 158 patients, whose bleaching treatment had been carried out in a specialist endodontic practice. The sample comprised 204 teeth with a review period of between 1 and 19 years. One-hundred-and-fifty-one teeth (77.94 per cent) had an associated history of traumatic injury. All teeth had been treated with a combination of thermocatalytic and 'walking bleach' procedures using 30 per cent hydrogen peroxide. In 54.41 per cent of teeth, gutta-percha and AH26 root-fillings were kept at the height of the cemento-enamel junction while 18.63 per cent were below and 26.96 per cent were above the CEJ. Sealing cement was not placed over the gutta-percha and AH26 root-fillings in any of the teeth in the study. It was found that a total of four teeth from the sample group (1.96 per cent) had developed invasive cervical resorption during the review period. All of these teeth had a history of traumatic injury and the level of gutta-percha was at the CEJ.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗

Treatment delays in paediatric dento-alveolar trauma at a tertiary referral hospital.

BACKGROUND: Paediatric dento-alveolar trauma is a common event. Delays in treatment can have adverse effects on long term outcomes and the aim of this study was to quantify the treatment delays in paediatric dento-alveolar trauma in a tertiary referral hospital. METHODS: All cases of paediatric dento-alveolar trauma over a two year period from July 2000 to June 2002 were identified and the charts were reviewed retrospectively. All children presenting to the emergency department with dento-alveolar trauma within 48 hours of injury during the time period were included. RESULTS: Forty-three patients were identified. The average age was 5.51 years, though there was a bias towards one and two year olds. Males were injured 1.5 times more frequently than females. There was an average delay of 9.6 hours between injury and treatment for all patients. Transit time from outside practitioners to hospital and waiting times in hospital made up the greatest delays. Children injured an average of 2.37 teeth and only 14 per cent were uncomplicated crown fractures. CONCLUSIONS: Children who present to children's hospitals for treatment of dento-alveolar trauma have more severe injuries than those treated elsewhere. They have large but potentially reducible delays between injury and treatment.

Adolescent↗

Calcium hydroxide: a review.

Calcium hydroxide is a multipurpose agent, and there have been an increasing number of indications for its use. Some of its indications include direct and indirect pulp capping, apexogenesis, apexification, treatment of; root resorption, iatrogenic root perforations, root fractures, replanted teeth and interappointment intracanal dressing. The purpose of this paper is to review the properties and various indications for the use of calcium hydroxide.

Anti-Bacterial Agents↗