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[The paradoxes of staphylococcal infection in dentistry].

Study of the role of staphylococcal infection in pyoinflammatory complications of mandibular injuries showed that immunization of this category of patients with staphylococcal antitoxin simultaneously with antibiotic therapy leads to a significant increase in the blood level of anti-alpha-toxin. The latter has a positive impact on the clinical course of disease and staphylococcal contamination of involved site and oronasal mucosa.

Adolescent↗

Incidence and type of cervical spine injuries associated with mandibular fractures.

The incidence of facial fractures accompanied by spinal injuries, while low, is of significant concern to the craniomaxillofacial surgeon. There are conflicting reports on the association between facial fractures and concomitant spinal damage. This retrospective study of 424 patients with mandibular fractures examines the relationship of mandibular fractures and concomitant spinal injuries. The incidence of concurrent mandibular and cervical fractures was 2.6%, predominantly associated with motor vehicle accidents. The purpose of this study is to examine the incidence of cervical spine injury associated with mandibular fractures, in order to improve the diagnosis and treatment of spinal injury associated with mandibular fractures.

Accidents, Traffic↗

Maxillofacial injuries in a group of South Africans under 18 years of age.

OBJECTIVE: To find out the incidence of maxillofacial injuries in South African children aged 18 years or less. DESIGN: Retrospective study of casenotes. SETTING: Six teaching hospitals affiliated to the University of Witwatersrand, Johannesburg, serving a population of about 5 million people. SUBJECTS: All 326 children treated for facial injuries in the maxillofacial and oral departments of the six hospitals between 1 January 1989 and 30 June 1992. MAIN OUTCOME MEASURES: Classification of the types of injury, associated injuries, cause of the injury, and methods of diagnosis. RESULTS: Of the total of 4192 patients of all ages treated for facial injuries, 326 (8%) were within the age range of the study. The female:male ratio was 1:2.3. Most of the injuries (227, 70%) occurred in the 13-18 age group, and assaults, fights and gunshot wounds accounted for 155 injuries (48%). Of the 326 children, 173 (53%) had single injuries and 153 (47%) had multiple injuries. Mandibular fractures were the most common (64%) followed by maxillomandibular fractures (25%). Violence was the most common cause of injury, as in the USA and Zimbabwe, but unlike the rest of the world in which it is motor vehicle accidents. Soft tissue injuries were the most common associated injuries, and conventional plain radiography was the usual investigation. CONCLUSION: The incidence of 8% compares favourably with those in other countries, but far too many injuries are the result of violence.

Accidents, Traffic↗

The pediatric mandible: II. Management of traumatic injury or fracture.

LEARNING OBJECTIVES: After studying this article, the participant should be able to: 1. Describe the changing epidemiology of mandibular fractures in children and adolescents. 2. Discuss the appropriate use of internal fixation in the treatment of pediatric mandibular fractures. 3. Describe the difficulties posed by the deciduous dentition in the use of interdental wiring. 4. Understand reasons why techniques specific to adult fractures may not be applicable to the growing mandible. 5. Understand the etiology and epidemiology of pediatric mandibular fractures. 6. Understand the reasons for conservative (closed) versus aggressive (open) treatment of mandibular injury. BACKGROUND: Fractures of the pediatric mandible are complicated by the anatomic complexity of the developing mandible, particularly by the presence of tooth buds and the eruption of deciduous and permanent teeth. Traditional methods of fracture reduction and fixation employed in adults have little applicability in the pediatric population. METHODS: The authors describe the surgical techniques that have been used at their institution and those that can be used safely in the pediatric setting. RESULTS: In most cases, "conservative" management is the preferred option, especially in the treatment of condylar fractures. In cases requiring surgical intervention, interdental wiring, drop wires in combination with circummandibular wires, and acrylic splints are suited well to specific phases of dental maturation. CONCLUSION: Open reduction and internal fixation using monocortical screws and microplates or resorbable plates and screws are acceptable techniques in the pediatric patient, but they require special safeguards. Algorithms are presented to simplify management of these complicated injuries.

Adolescent↗

Partial anastomosis between the lingual and mandibular nerves for restoration of sensibility in the mental nerve area after injury to the mandibular nerve. Case report.

A 35-year-old woman had to be operated on because of a displaced wisdom tooth combined with a follicular cyst in the right mandible. During the excision, the mandibular nerve was disrupted, and a piece about 1 cm in length was removed together with the whole specimen. Not being planned beforehand, and because of the lack of an operating microscope, the nerve repair in terms of a graft and fascicular suture was impossible. A partial anastomosis between the distal mandibular nerve stump and the lateral third of the lingual nerve recreated normal sensibility in the mental nerve area without leaving behind a sensibility defect in the tongue.

Adult↗

Fractures of the mandible: role of the general dentist.

Mandibular fractures are the second most common facial fracture, the majority being the result of interpersonal violence, road traffic accidents, or sports injuries. Although most of these patients attend a hospital, it is not uncommon for patients with these injuries to present first to the general dentist, perhaps complaining of a loose tooth or abnormal bite. A careful history should be taken from the patient in order to identify the possibility of other injuries. Mandibular fractures are rarely life-threatening, although airway difficulties can arise. A systematic approach to diagnosis is essential if fractures are not to be missed, including radiological assessment in two planes at right angles. The initial treatment consists of airway management, control of fracture segments, and pharmacologic management. Most fractures have been traditionally managed by the use of intermaxillary fixation; however, increasing use is being made of open reduction and internal fixation techniques. Occasionally, general dentists are involved in the post-operative care of the patient following definitive management.

General Practice, Dental↗

Bilateral microneurosurgical reconstruction of inferior alveolar nerves via autogenous sural nerve transplantation.

Microneurosurgical operative techniques permit satisfactory restoration of sensation in many lesions of the inferior alveolar nerve. Therefore, restoration of the sensory deficit is becoming increasingly more important in the total functional rehabilitation of individuals with mandibular continuity defects involving transection of or permanent damage to the inferior alveolar nerve. This article reviews the case history of a young man who underwent bilateral osseous mandibular reconstruction and microneurosurgical reconstruction of his inferior alveolar nerves following severe maxillofacial trauma. A new technique for isolating the sural nerve is introduced to facilitate harvesting of the graft. Scanning electron microscopic examination of the resected proximal inferior alveolar nerve is recommended to determine the prognosis for regeneration across the proximal anastomosis and to decide whether secondary resection and reanastomosis of the distal anastomosis is indicated when anesthesia persists 9 to 12 months after initial transplantation of a long donor nerve.

Adult↗

The development of acute post-traumatic stress disorder after orofacial injury: a prospective study in a large urban hospital.

PURPOSE: Psychologic distress is a common outcome among trauma survivors. This report examines both the development and predictors of acute post-traumatic stress disorder (PTSD) symptoms in a sample of US inner-city orofacial trauma survivors seeking treatment in a publicly funded hospital. PATIENTS AND METHODS: Baseline data were collected from 336 patients seeking urgent care for an oral injury (mandibular or midfacial fracture). Participants were predominantly unemployed, unmarried, African American or Hispanic men in their 30s. One-month follow-up assessments of PTSD symptoms were conducted on the available 84% of the sample. RESULTS: Absolute levels of PTSD symptoms were high at 1 month; 25% of the sample appeared to meet diagnostic criteria for acute PTSD, based on a self-report of symptoms. Variables associated with self-reports of higher rates of PTSD symptoms included older age, being female, prior psychologic disturbance as reflected in lifetime and current mental health and social service need and use, exposure to and distress at a prior trauma as well as overall high rates of stressful life events in the past year, injury pain, psychologic distress at hospital discharge, and unmet social support needs during the recovery phase. CONCLUSIONS: A substantial subsample of these traumatized medical patients had negative psychologic outcomes at 1 month. Results underscore the potential use of screening survivors of orofacial injury at urban trauma centers for PTSD and developing systems of care that facilitate referral to appropriate psychologic treatment.

Adolescent↗

Rigid fixation in the management of maxillofacial trauma.

1. Although intermaxillary fixation was the primary means of treating mandibular injuries, rigid plate fixation has eliminated the need for prolonged mandibulo-maxillary immobilization in many cases. 2. Prolonged intermaxillary fixation can result in poor nutritional support, poor oral hygiene, and the induction of gingival and masticatory muscle atrophy and temporomandibular joint dysfunction. 3. Rigid plate fixation requires specialized instrumentation and skills, and frequently external skin incisions, but the potential advantages of immediate postoperative function without prolonged jaw wiring makes this option more appealing.

External Fixators↗

Degloving injury of the mandibular mucosa following an extreme sport accident: a case report.

The increasing popularity of high-risk extreme sports such as acrobatic biking, mountain biking, skateboarding, or rollerblading is becoming a notable cause of maxillofacial injuries. Dentists should, therefore, be familiar with the presentation and management of uncommon maxillofacial injuries as a result of these extreme sports. The purpose of this article was to detail a case report of a 7-year-old male with a degloving injury of the mandibular mucosa following an extreme sport accident and to present a description of the patient's multidisciplinary management and follow-up.

Athletic Injuries↗

[A classification of mandibular fractions].

A new classification of mandibular fractures is suggested. Unlike fractures of the upper and middle zones of the face, mandibular injuries are characterized by typical location and configuration, which prompted us to undertake this study. Literal and digital symbols were used in formulation of the diagnosis. These symbols characterize the line of fracture, involved teeth, site of fracture, presence (or absence) of dislocated fragments, occlusive disorders, combined injuries, status of soft tissues at the site of injury, presence of inflammation in the fracture fissure and its severity. Examples demonstrating the convenience of the formula are presented.

Diagnosis, Oral↗

[Current treatment of mandibular fractures in a general hospital center. What is the role of osteosynthesis with miniplates?].

Treatment of mandibular fractures has raised passions among supporters of the miniaturized screw plate and partisans of steel wire bone suture combined with inter-maxillary blocking. This report deals with current attitudes towards therapy. Surgical techniques are summarized, the different indications for miniaturized screw plate outlined, and other simple methods confirmed as being effective described. Based on statistical analysis of cases treated over a period of 8 years, results of treatment of mandibular injuries are reviewed, advances in therapy discussed and the various indications outlined. The use of the miniaturized screw plate appears to provide an undoubted contribution to maxillofacial surgery, but it does not supplant other therapeutic procedures. The consensus of opinion at the present time appears to have become established for therapy of mandibular fractures, confirmatory evidence being supplied by data in recent published literature.

Adult↗

Use of rigid internal fixation in the repair of complex and comminuted mandible fractures.

An overview of the use of rigid internal fixation using the AO method for the repair of complex mandibular injuries is presented. The end result of such an approach is the return of the patient as rapidly as possible to his or her normal status with return to normal alimentation, normal mobility of the mandible, normal airway, and normal access to the oral cavity.

Bone Plates↗