Maintaining vitality of injured permanent anterior teeth.
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Large majorities of dental traumas are associated with soft-tissue injury and tooth fragments. They are often found embedded in the oral soft tissues, most commonly the lip. Early detection and complete removal of such fragments is critical in order to prevent infection and scarring. Adequate communication between medical and dental professionals involved is of considerable value in the management of such cases. This report presents a case of spontaneous extrusion of an occult incisor fragment from the lower lip, eight months after trauma.
The objective of this retrospective study was to evaluate the influence of cemental tear as a risk factor in periodontal attachment loss. Seventeen extracted, single-rooted teeth showing loss of attachment and having one cemental tear surface and one opposite intact surface were examined. The teeth were stained in 0.1% toluidine blue to visualize attached periodontal ligament remnants and examined in a light microscope under incident light. On each tooth, loss of attachment was measured along the long axis of the root from the cemento-enamel junction to the most coronal level of the periodontal ligament on intact as well as on defect surfaces. Cemental tear surfaces demonstrated a significantly greater loss of attachment than opposite intact surfaces (P < 0.0001). In one specimen, the cemental tear fragment was partially attached to the root after the extraction procedure. This specimen was processed for light microscopy to determine the location of the cemental tear fracture. Histological examination clearly revealed that the split between the root and the fragment had occurred along the cemento-dentinal border. The results indicate that cemental tear should be considered as a possible etiologic entity in localized rapid periodontal breakdown.
BACKGROUND: A patient presented with moderate probing depth, pain on occlusal contact, and a fistula on a mandibular bicuspid. The probing depth increased 2 mm over a 3-month period despite relief of the occlusal trauma and resolution of the fistula. A radiograph showed an apparent separation of the cementum in the area of the pocket. METHODS: The lesion was treated using a minimally invasive surgical approach to place a bone graft. RESULTS: The probing depth was reduced to 2 mm with less than 1 mm of increased recession. A histologic examination of the damaged calcified tissue confirmed that it was cementum. CONCLUSIONS: The increasing probing depth associated with a cemental tear seems to indicate that this phenomenon contributed to loss of attachment and bone. Removal of the detached cementum in combination with bone grafting using a minimally invasive surgical approach appears to have successfully corrected the periodontal destruction.
BACKGROUND: The increasing popularity of tongue piercing has prompted several case reports documenting oral complications of this practice. However, there are no studies assessing potentially significant parameters. The purpose of this study was to evaluate the effect of time (years of wear) and tongue barbell size (stem length) on gingival recession and tooth chipping. METHODS: Fifty-two adults (mean age 22) with tongue piercings were examined for gingival recession on the lingual aspect of the 12 anterior teeth and for tooth chipping anywhere in the mouth. Subjects were grouped according to years of wear (0 to 2, 2 to 4, and 4+ years) and barbell stem length (long > or =1.59 cm, or short <1.59 cm). Data analysis was based on binomial test and non-parametric tests. RESULTS: No subject with a tongue piercing <2 years (group 0-2) exhibited lingual recession or tooth chipping. Lingual recession was found on mandibular central incisors in 50% of subjects wearing long barbells for 2 or more years. Tooth chipping was found on molars and premolars in 47% of subjects with a tongue piercing for 4+ years. CONCLUSIONS: Tongue piercing is associated with lingual recession of mandibular anterior teeth and chipping of posterior teeth. Long-term use of a tongue barbell increases the prevalence of these complications. Barbell stem length appears to differentially affect prevalence of recession and chipping. Since the overwhelming majority of subjects with tongue piercings are young adults, cessation efforts are needed to target this population.
The aim of this study was to obtain detailed information about adults who suffered trauma to the teeth as children. A total of 102 patients took part. The patients answered a questionnaire and were interviewed before the oral examination. Thirty-nine per cent of the patients reported dissatisfaction either with the color and/or anatomic form of the traumatized teeth or reconstruction. Most of the individuals did not remember having received any information about prognosis for the traumatized teeth. Twenty-one per cent of the patients remembered pain during treatment, and 25% remembered only the behavior and attitudes of the dental team. It can be concluded that all dental treatment in children with traumatized teeth must be carried out as painlessly as possible, and the dental team should minimize discomfort during the treatment. Good knowledge about traumatology and management can reduce stress and anxiety for both the patient and the dental team.
Damage to teeth is a well known complication of peroral endoscopy. A case is described in which potentially fatal complications of such damage occurred. This spurred on the development of a dental splint as an aid in the prevention of such damage. This splint is described, and evidence for the beneficial results of its use is presented.
During the period 1964-73, 286 patients were treated for mandibular fractures. 229 patients (80%) attended the follow-up examination. The length of observation was from 1 to 9 years. The treatment and the follow-up evaluations in the 229 patients are described. Early fracture treatment has been the objective, also in patients who have undergone severe cerebral traumas. Antibiotic prophylaxis was implemented in cases of compound fractures. Preservation of teeth and tooth buds in the line of fracture was attempted. Clinical infection occurred in 0.4% of the patients. At the follow-up examination 1 patient presented with a fracture displacement outside the condylar process. Neither malocclusion nor pseudarthrosis following fracture or after treatment were seen. Permanent sensory disturbances in the innervation area of the mental nerve following fracture occurred in 8%. Radiological examination of the teeth in the line of fracture revealed unnoticed apical bone lesions in 17% of 118 patients. In a further 23% there was a negative response to the vitality test. Follow-up control of mandibular fractures is advised at 12 to 18 months after treatment.
Dental officers and technicians must have reliable, durable, well-performing field dental equipment to enable them to provide dental care to deployed troops in operational environments. Unfortunately, no organized program exists to test such equipment before its purchase and use in the field. This article presents the results of a project conducted by the Naval Institute for Dental and Biomedical Research and the Air Force Dental Evaluation and Consultation Service to evaluate commercially available field dental equipment through laboratory testing and clinical-user evaluations in theater. The purpose of this 2-year project was to identify the best-performing and most cost-effective field dental equipment for possible future procurement. Initial laboratory testing was performed at the Naval Institute for Dental and Biomedical Research, and the equipment was then shipped to Kuwait for in-theater environmental and clinical-user testing. A seven-member scientific team of military dental officers and technicians was deployed for 1 month to perform in-theater testing under regional environmental conditions and to coordinate clinical-user evaluations. The testing provided beneficial results by identifying equipment that performed properly and equipment that exhibited shortcomings serious enough to render it inadequate for operational use. It is recommended that the project serve as a model for future testing and evaluation of medical/dental equipment by all of the military services.
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This case report presents the prosthetic treatment of a warfare facial trauma patient with the aim of providing satisfactory function, esthetics, and alleviation of deformities. Veneer crowns with rests, root coping, and metal-base partial prostheses were used for the patient therapy and treatment.
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OBJECTIVE: An investigation was undertaken to assess potential predisposing factors to invasive cervical resorption. METHOD AND MATERIALS: A group of 222 patients with a total of 257 teeth displaying varying degrees of invasive cervical resorption were analyzed. Potential predisposing factors, including trauma, intracoronal bleaching, surgery, orthodontics, periodontal root scaling or planing, bruxism, delayed eruption, developmental defects, and restorations were assessed from the patients' history and oral examination. RESULTS: Of the potential predisposing factors identified, orthodontics was the most common sole factor, constituting 21.2% of patients and 24.1% of teeth examined. Other factors were present in an additional 5.0% of orthodontically treated patients (4.3% of teeth), and these consisted principally of trauma and/or intracoronal bleaching. Trauma was the second most frequent sole factor (14.0% of patients and 15.1% of teeth). Trauma in combination with intracoronal bleaching, orthodontics, or delayed eruption constituted an additional 11.2% of patients (10.6% of teeth). Intracoronal bleaching was found to be the sole potential predisposing factor in 4.5% of patients and 3.9% of teeth, and an additional 10.4% of patients and 9.7% of teeth showed a combination of intracoronal bleaching with trauma and/or orthodontics. Surgery, particularly involving the cementoenamel junction area, was a sole potential predisposing factor in 6.3% of patients and 5.4% of teeth. Periodontal therapy, including deep root scaling and planing, showed a low incidence, as did other factors, such as bruxism and developmental defects. The presence of an intracoronal restoration was the only identifiable factor in 15.3% of patients and 14.4% of teeth, while 15.0% of patients and 16.4% of teeth showed no identifiable potential pedisposing factors. CONCLUSION: These results indicated a strong association between invasive cervical resorption and orthodontic treatment, trauma, and intracoronal bleaching, either alone or in combination.