SEARCH · Search PubMed
Results for “Tooth Avulsion”
Search indexed PubMed citations on genomics, clinical trials, systematic reviews and public health. Explore titles, authors and supplied subject terms, then open the PubMed record.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Undiagnosed intrusion of a lateral incisor following trauma.
The need to account for teeth missing after a traumatic episode, and the need for radiologic methods of investigation of the oral, perioral, and respiratory areas into which teeth may lodge are discussed. A patient with undiagnosed traumatic intrusion of a lateral incisor is presented in whose case routine radiographic investigation before restorative treatment planning revealed the tooth in the maxilla. If such teeth are not removed, respiratory distress or abscess, or delayed healing may complicate recovery.
Full intrusion of a tooth after facial trauma.
We report two cases of fully intruded tooth after facial fracture in adults. In the first case, the lateral incisor was intruded into the nasal cavity and slipped into the pyriform sinus during operation. The second case involved full intrusion of a molar into the maxillary sinus, resulting in infection. The importance of a thorough intraoral examination for patients with facial trauma is emphasized. All missing teeth should be accounted for to ensure that they have not dislodged inside the body. When full intrusion of a tooth is suspected, facial computed tomography scan may provide assistance with definite diagnosis. If an incisor is completely intruded into the nasal cavity, removal through the floor of the nostril should be considered.
Dislocation of anatomic structures into the maxillary sinus after craniofacial trauma.
Explore the source record for details and available documents.
Rehabilitation of maxillofacial trauma patients with dental implants.
Maxillary and mandibular traumatic injuries are inevitable in our society. Dental implants can be considered for the replacement of teeth lost as a result of trauma, even in complicated cases where associated injuries, such as jaw fractures and bone loss, have occurred. Reimbursement for dental services by insurance companies in the case of traumatic injuries to the teeth and supporting structures is discussed.
Bone augmentation and biopsy: clinical report.
A mixture of demineralized freeze-dried cortical bone and beta-tricalcium phosphate covered by titanium-reinforced expanded polytetrafluoroethylene membranes was used for bone augmentation in an accident case in which a young female patient suffered anterior maxillary damage. Hydroxyapatite-coated implants were placed in the newly formed bone-like material before prosthodontic reconstruction. A biopsy suggests the bone-like material was essentially normal lamellar and woven bone.
Retrievable cement-retained implant-tooth-supported prosthesis: a new technique.
Clinicians often encounter difficulties with connecting natural teeth and osseointegrated implants. A new clinical technique with laboratory procedures are presented. The technique involves cementation of a two-part prosthesis over natural teeth and customized implant gold cylinders. This method achieved a passive-fit fixed bridge with retrievability maintained.
Rehabilitation of a patient with severe dentoalveolar injuries: a case report with a 10-year follow-up.
This clinical report describes the emotional and physical rehabilitation of a young man. The impact of the injuries sustained and repeated failure of traditional dental treatment methods had caused the patient to become quite withdrawn. A successful outcome followed surgical placement of multiple titanium plasma-sprayed cylindrical fixtures in severely damaged dental supporting tissues to serve as intermediary abutments for complex maxillary and mandibular fixed prostheses. The loss of crestal bone during the postprosthetic years is determined. The advantages only implant dentistry could bring are identified.
Facial and oral reconstruction following trauma and failed chin implant: a case report.
Functional and esthetic reconstruction of a patient with microgenia who sustained traumatic injury was successfully accomplished using Brånemark System osseointegrated implants (Nobel Biocare USA, Inc., Yorba Linda, CA) to support a permanent dental prosthesis following mechanical and biologic reconstruction of the anterior mandible and chin. A 25-year-old glycine chin implant previously used for facial esthetic enhancement had eroded the anterior cortical plate and migrated through the medullary bone, compressing the periosteum into the apex of the anterior tooth roots. Further destruction of the lingual cortex with risk of fracture was imminent. After removal of the chin implant, a cancellous bone graft was held in place with a titanium mesh frame. The prosthetic rehabilitation consisted of two phases of mandibular implant placement followed by the construction of a porcelain-fused-to-gold implant-supported fixed prosthesis, restoring the occlusal vertical dimension as well as appropriate lip support. Restoration of function was superior to the pretreatment condition.
Traumatic displacement of teeth into maxillary sinus cavity: an unusual dentoalveolar fracture.
We present an unusual dentoalveolar fracture case who had displacement of teeth into maxillary sinus cavity. This patient was 15 years old. He had oral bleeding and lost teeth after falling from the top of a building. Examination of maxillofacial region showed that there were left maxillary teeth lost, alveolar fracture, gingival bleeding and laserations. Maxillofacial bones were found intact. Canine, both premolars and the first molar teeth on left maxilla were lost. Pantomographic evaluation viewed two teeth in the left maxillary sinus. In addition, computerized tomography clearly showed oroantral fistula, alveolar fracture and teeth into maxillary sinus. Extraction of teeth from sinus cavity was performed as well as repair of oroantral fistula and alveolar fracture. This patient is thought that dentoalveolar injury may be more serious than expected according to the oral examination and it requires careful evaluation, even if dentoalveolar trauma does not pose a significant morbid risk.
Effects of Photobiomodulation Therapy in Lateral Luxation of Anterior Permanent Teeth: A Randomized, Double-Blind Clinical Trial.
BACKGROUND: Among the traumatic dental injuries (TDIs), lateral luxation may present poor prognosis due to frequent root resorption and consequent tooth loss. Photobiomodulation therapy (PBMT) modulates cellular activities (proliferation, differentiation, growth factor secretion) and may improve outcomes. OBJECTIVE: This randomized, double-blind, placebo-controlled trial evaluated PBMT (660 vs. 808 nm) for post-operative pain and pulp sensitivity recovery in lateral luxation of permanent anterior teeth. METHODS: Initially, 41 patients were included, with a total of 63 teeth traumatized by lateral luxation and were allocated to G1 (n = 21): Splinting + sham PBM (placebo), G2 (n = 21): Splinting + 808 nm infrared PBM and G3 (n = 21): Splinting + 660 nm red PBM. Four weekly sessions (3 J/point, 3 points) were administered. Pain (by numeric rating scale) and pulp sensitivity (by cold test) were assessed weekly. Pain was analyzed using the Kruskal-Wallis test, followed by multiple comparisons using Dunn's method with Bonferroni correction, and pulp sensitivity by a logistic regression model (p < 0.05). RESULTS: Three participants (total of 5 teeth) were excluded due to loss to follow-up. Fifty-eight teeth were analyzed (G1 = 21, G2 = 17, G3 = 20). Pain: All groups showed a significant reduction in pain over time (p < 0.001). Both G2 and G3 demonstrated a significantly greater reduction in pain compared to G1 (p < 0.001 and p = 0.026, respectively). No significant difference in pain reduction was observed between G2 and G3. Pulp sensitivity: G2 showed a significant improvement over time (p < 0.001), despite starting from a more unfavorable baseline. In contrast, no significant change in pulp sensitivity was observed for G1 or G3 between the initial and final assessments. CONCLUSION: Within the limitations of this clinical study, all intervention groups were effective in reducing pain in lateral luxation of permanent anterior teeth, with superior results for laser groups compared to the placebo. However, only the 808 nm laser irradiation protocol demonstrated a significant improvement in pulp sensitivity, suggesting it may offer a more complete therapeutic response.
Interventional radiological removal of a foreign body from a peripheral bronchus.
We describe the extraction of an impacted tooth from a bronchiole of a ventilated, critically ill patient. Following failed attempts using flexible and rigid bronchoscopy a radiological approach was explored. The successful method described below used guiding catheters, an extraction basket and an occlusion balloon, deployed under fluoroscopic guidance.
Laser Doppler flowmetry in assessing vitality in luxated permanent teeth.
Explore the source record for details and available documents.
Laser Doppler flow measurements of pulpal blood flow and severity of dental injury.
AIM: To evaluate laser Doppler flowmetry (LDF) measurements of pulpal blood flow (PBF) and severity of dental injury. METHODOLOGY: The relationship between adverse outcomes and PBF measurements was analysed in 94 permanent maxillary incisors of 71 consecutive dental trauma patients. The diagnostic adverse outcome group was comprised of 72 incisors in 52 patients with a type I (loss of sensitivity), type II (loss of sensitivity and periapical radiolucency), or type III (loss of sensitivity, periapical radiolucency and grey discoloration of crown) diagnosis. The nonadverse outcome group consisted of 22 incisors in 19 patients with the finding of an absence of an adverse outcome. At each session, when an injured permanent maxillary incisor was recorded, a contralateral homologous tooth was used as a control. An ordinal stepwise regression was completed to assess the degree of association between PBF measurements and adverse outcomes RESULTS: Using chi-square analysis for pairwise comparison, a significant relationship between PBF measurements and types of adverse outcomes (chi(2) =119.635, d.f. = 12, P = 0.000) was observed. PBF measurements that were significantly associated with more severe outcome were PBF levels of </=3 perfusion units (PU) (119.1 odds ratio) (P = 0.000), and those of >3 PU and </=6 PU (12.7 odds ratio) (P = 0.000). CONCLUSIONS: PBF measurements were related to the severity of adverse outcomes. Further studies are required to evaluate whether PBF measurements can predict dental injuries that progress to adverse treatment outcomes.
Self-inflicted orodental injury in a child with Leigh disease.
Leigh disease is an inherited progressive mitochondrial neurodegenerative disease that affects the neurological, respiratory and cardiovascular systems and is associated with retardation of the intellectual and physical development. This report describes the case of a 4-year-old boy with Leigh disease who presented with self-inflicted traumatic injury to the teeth, alveolar bone, lips and tongue during repeated episodes of intense orofacial spasms. Conservative management of the injury included repositioning the fractured alveolar bone, splinting the traumatized teeth and planning for a mouthguard. However, after a second incident of severe self-induced injury to the teeth and alveolar bone, extraction of the anterior teeth became inevitable to protect the child from further self-mutilation and to allow healing of the injured tissues.
Bond strengths of nine current dentine adhesive systems to primary and permanent teeth.
The aim of this study was to compare the shear bond strength (SBS) of nine dentine bonding systems (DBS) of different classes to human primary and permanent dentine. Flat dentine occlusal surfaces were produced on human molars (100 primary, 100 permanent) by wet grinding on a 800-grit SiC paper. Nine DBS were applied following the manufacturers' instructions: One total etch multi-step system: Scotchbond Multipurpose Plus (3M/ESPE); Four total etch one-bottle system: Prime &Bond 2.1 (Dentsply), One Step (Bisco), Scotchbond 1 (3M/ESPE), and OptibondSolo Plus (Kerr); Three two-step self-etching primer systems: Clearfil Liner Bond 2 (Kuraray), Clearfil SE Bond (Kuraray), and Prime &Bond NT with NRC (Dentsply); An 'all-in-one' self-etching system: Prompt L-Pop (3M/ESPE). Composite (Z100; 3M/ESPE) cylinders (2 mm diameter, 3 mm high) were polymerized on the treated dentine surfaces and the specimens were stored at 37 degrees C for 24 h prior to testing. Twenty experimental groups were produced and tested. Statistical analysis revealed both a substrate and a bonding system effect. Two adhesive systems (One Step, Prime &Bond NT) had significantly higher bond strengths on permanent than on primary dentine. There was an effect of dentine bonding system on the mode of fracture. Although eight of the 10 DBS tested exhibited higher median SBS values on permanent dentine than on primary dentine, the dependent pairwise comparison identified a significant difference only for two groups. The use of simplified bonding systems does not necessarily result in improved bond strength to primary or to permanent dentine.
Bi-directional distraction osteogenesis of the alveolar bone using an extraosseous device.
OBJECTIVES: In alveolar distraction, the bone segment tends to incline palatally or lingually, making rigid control of the segments difficult. The aim of this study was to evaluate the usefulness of a newly developed bi-directional extraosseous alveolar distractor (Medartis V2-Alveolar distractor) for pre- and perioperative vector management. MATERIAL AND METHODS: Seven patients with segmental alveolar atrophy following traumatic tooth loss were treated using the distraction device. The patients were followed up clinically and radiologically. Preoperatively, the initial vector for distraction was determined using CT by measuring the cross-section of the bone. The morphology of the alveolar bone was also analyzed in relation to the planned implant position. Postoperatively, the rate of osteogenesis was monitored with plane radiographs and CT scan. RESULTS: All cases had bone deficit at the anterior surface of the alveolar ridge, showing a typical inclination of the long axis of the bone. Using the distractor, vertical distraction and positioning of the segments with labial orientation was possible. After a consolidation period of 12 weeks on average, sufficient bone formation for implant installation was radiologically observable. Histologic and histomorphometric analysis of one bone biopsy showed very dense mineralized bone (area fraction=78%) with a multidirectional, complex architecture. Implant-supported prosthetic oral rehabilitation was successfully performed in all cases. CONCLUSION: All complications observed in this study were related to the bone deficiency at the anterior surface of the alveolar process. If the technique can be improved, this type of bi-directional distraction is a promising method for alveolar bone repair.
Dental visits, teeth remaining, and prosthetic appliances in a Norwegian urban population.
Of a random sample (177 persons) of 35-year-old Oslo citizens, 117 subjects (66.1%) attended a dental examination. Questionnaires were returned by mail from 28 of the non-respondents. The most common reason for not attending was "difficulty in finding time for an appointment." About 89% of the respondents had visited a dentist regularly. Regular dental care seemed to be more common among people with a high level of education than among those with a low level of education. The most common treatment performed at the last dental visit was filling of cavities. The mean number of remaining teeth was 25.7. Females in the lower educational group had significantly less teeth than those in the higher educational group. No subjects were totally edentulous, but five persons had one edentulous jaw. Nine full or partial dentures were found. Twelve percent of the subjects had one or more fixed bridges, and 29.9% of the persons had one or more crown restorations. There seemed to be no differences between the sexes or educational levels in this respect.