"SERIAL EXTRACTION IN ORTHODONTICS IN MIXED DENTITION CASES".
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Dentition, Mixed↗
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[SERIAL EXTRACTION. THE REASON FOR DENTAL EXTRACTION AS ORTHODONTIC THERAPY].
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Humans↗
Relationship between oral surgical and endodontic procedures and episodic cluster headache.
OBJECTIVE: We sought to evaluate the possible relationship between oral surgery and endodontic procedures and the subsequent appearance of cluster headache (CH) in 54 patients. STUDY DESIGN: This study included 54 patients diagnosed and treated for episodic CH. The characteristics of pain, the extractions, and the endodontic procedures performed in the same or a contralateral quadrant were recorded and analyzed by using the chi-square test. RESULTS: Prior tooth extraction or endodontics had been performed in the pain-affected quadrant in 58% of cases and in the contralateral quadrant in 33%. The differences between quadrants were statistically significant. After the onset of pain, extractions were performed in the affected quadrant in 44% of patients. CONCLUSIONS: Although the appearance of pain after dental extraction could suggest a relationship between damage to the nerve supply and the development of CH, the possibility that dental extraction and endodontics may have been performed in response to CH-related pain must also be taken into account. With respect to the differential diagnosis of pain, it is easy for CH to be misdiagnosed as dental pulp pain.
Adult↗
High-resolution dental magnetic resonance imaging of inferior alveolar nerve responses to the extraction of third molars.
The objective of this study was to assess whether signal changes can be detected in the neurovascular bundle of the mandibular canal after the extraction of a third molar. We retrospectively analyzed MRI scans of 30 test subjects with healthy mandibles and 41 patients who had had a wisdom tooth extracted. Signal intensities were measured at particular sites in the neurovascular bundle, which were defined as regions of interest (ROI) in the sagittal T1-weighted images before and after intravenous administration of a paramagnetic contrast agent. On the basis of the signal intensity increases that were measured after contrast agent administration, we compared the signal increases obtained for the patients who had received surgical treatment with the results obtained for the population of test subjects with unremarkable mandibles ( t-test, P<0.05). Compared with the healthy test subjects, patients who had received surgical treatment showed significantly higher signal intensity increases at two measurement sites, i.e., the second molar and the second premolar ( P<0.05). We found no significant differences when the measurements were performed at the first molar ( P=0.06), the third molar ( P=0.47) and in the area of the ascending mandibular ramus ( P=0.79). Compared with a population of healthy test subjects, patients who had their third molars surgically removed show higher signal intensity increases in the neurovascular bundle after intravenous contrast agent administration. The underlying cause may be the higher blood flow in the arteries and veins and the perineural plexus, which may give evidence of the pathophysiological mechanism of nerve damage in the narrow canal as a result of osteotomy.
Adolescent↗
Factor XI deficiency disclosed following haemorrhage related to a dental extraction. Brief review and case report.
Factor XI deficiency is a relatively common hereditary coagulation disorder manifested generally as diffuse oozing from a surgical site. Dentists may be the first to discover this deficiency and other coagulopathies after simple tooth extraction. A case is reported which illustrates a typical presentation of this disorder. The need for haematological examination and special dental care is discussed.
Factor XI Deficiency↗
[Anxiety and stress in dental practice. 3. Results of studies in adults].
By means of clinical appreciation and determination of the adrenocortical function, the stressor effects of various dental procedures were evaluated in 110 patients aged from 18 to 77 years. The stress of stomatological treatment (extraction, filling therapy, prosthodontic procedures) may vary with age, the patient's psychic condition being of particular importance. Apart from premedication, psychic conditioning seems to be beneficial in case of tooth extraction.
Adolescent↗
Patients' perceptions of the decision-making process leading to extraction of permanent teeth in Norway.
Extraction is the final step in a continuous process in which oral health-related factors and psycho-social processes play a role. The purpose of the present study was to investigate the patient's perception of the decision-making process leading to the extraction of permanent teeth and to determine whether and how patient-associated characteristics might influence who made the decision to extract and if the patients felt they had any influence on the dentist's decision. A national random sample of Norwegian dentists (n = 500) recorded reasons for tooth extraction during a period of 2 weeks in 1988. A total of 437 patients responded (73%), of whom 54% were women. Nearly 33% of the respondents stated that it was their own decision to extract, while about two thirds said that the dentist had suggested extraction. Whether the dentist or the patient made the decision to extract teeth was significantly influenced by the patient's dental attendance pattern, place of residence, number of teeth and belief in retention of his/her own teeth for life (P < 0.05). There was no significant bivariate effect of patients' age, sex, educational level, or score on Corah's Dental Anxiety Scale on who made the decision to extract. Only 0.4% of patients said that family, friends or colleagues had influenced the decision to have teeth extracted. A logistic regression analysis with: "Was it the dentist or the patient who made the suggestion to extract teeth?" as the dependent variable, and the four bivariately significant independent variables showed for all patients that none had a significant effect.(ABSTRACT TRUNCATED AT 250 WORDS)
Adolescent↗
Ludwig angina, empyema, pulmonary infiltration, and pericarditis secondary to extraction of a tooth.
A case of Ludwig angina after extraction of a mandibular third molar, progressing to pleural effusion and empyema, pericarditis, pulmonary infiltration, and pericardial effusion has been presented. The importance of early diagnosis and treatment as well as appropriate antibiotic and surgical therapy have been discussed. The practice of empirically prescribed antimicrobial agents has also been discussed, and the relevance of the organism E corrodans in oral infections has been emphasized.
Adult↗
Clinically significant oroantral communications--a study of incidence and site.
The incidence of clinically significant oroantral communications (OACs) after simple tooth extraction during the period 1980-9, at the Faculty of Dentistry, Mahidol University, Bangkok, Thailand, was studied retrospectively. The total number of OACs was 87. The tooth most frequently involved was the upper first molar, followed by the second and third molars. The difference, however, was not statistically significant (P > 0.05). The sockets of the palatal roots of the first and the second molars were most frequently involved. There was no statistically significant difference between the incidence of OACs on the right and the left sides (P > 0.05).
Adolescent↗
Bone augmentation with bioactive glass in three cases of dental implant placement.
This study reports the clinical use of a bioactive bone graft material, PerioGlas, in the treatment of dental extraction sites before dental implant placement, to effect bone regeneration and to give early fixation to the implant.PerioGlas, granules, ranging from 90 to 710 mm, are implanted after tooth extraction in three patients; after 6 months bone biopsies were performed in the site of the glass implantation and observed under Electron Scanning Microscopy. All the granules showed a biodegradation involving precipitation of calcium phosphate that worked as a scaffold for osteoblasts colonization. All cases examined showed the bioactivity of PerioGlas granules resulting in new bone formation and biodegradation of the glass. After a two-year clinical follow-up all the implants were successfully loaded and appeared stable.
Adult↗
Conservative closure of antro-oral communication stimulated with laser light.
OBJECTIVE: To evaluate application of laser biostimulation in the treatment of antro-oral communications. BACKGROUND DATA: Sixty-one patients between the ages of 14 and 58 were subjected to biostimulation with laser light. Therapy was performed with a CTL 1106 biostimulative laser of 30 mW power with a tip-emitting light of 830-nm wavelength. METHODS: Three cycles of laser irradiation were performed in a continuous mode. During one cycle, 3.5 min of extraoral irradiation of 4J with the contact "sweeping" method or the "woodpecker technique" was made through the facial skin to the suborbital region, 3.5 min of intraoral irradiation of 4J with the contact "point" method to the region of maxillary sinus floor, and 3.5 min of intraoral one of 4J with the contact "point" method to the alveolar process at the site of the antro-oral communication. The above cycle of irradiation was repeated for 4 days. RESULTS: After 4 days of laser therapy, a complete closure of antro-oral communication occurred. CONCLUSION: Laser therapy can be recommended as an effective method of treatment in this type of complication following tooth extraction.
Adolescent↗
An alternative method for treating buccal osseous defects.
This case demonstrates the successful use of a hydroxylapatite block for maintenance of ridge contour. The procedure offers an alternative to guided tissue regeneration for treating osseous defects of the buccal cortical plate, which may occur following tooth extraction.
Aged↗
The effects of post-extraction time on the hydraulic conductance of human dentine in vitro.
The permeability characteristics of dentine have been used in many in vitro studies to evaluate longitudinally the efficacy of various restorative and preventative procedures. However, the permeability of human dentine increases over time after tooth extraction. The aim here was to determine if there is a steady phase in dentine permeability in vitro over time. The convective permeability of dentine discs cut from extracted human third molars to 0.8% albumin solution was measured initially on day 7 after extraction using a fluid-transport model and the hydraulic conductance was calculated. The permeability of each disc was then re-measured de- and re-mounting the split-chamber 1h after the initial measurement as well as on days 8, 9, and 37 after extraction. No significant difference was found between the initial and 1h hydraulic conductances. A significant increase in hydraulic conductance was seen from day 7 to 9, but there was no significant difference between the hydraulic conductances on days 9 and 37. These results suggest that the measurements were reproducible and that a steady phase of dentine permeability is established 9 days after extraction under these study conditions in vitro.
Albumins↗
[Pseudopathology of hemostasis in dental practice].
The authors demonstrate, with a 66 patients research, that also when laboratory tests on hemostasis indicate pathology like XII factor penia, disfibrinogenemy, lupus (Lac), pyastrinopenia, we manage pseudopathology. In these cases haemostasis is completely normal, even after surgery, like tooth extraction.
Adolescent↗
The reasons for extraction of permanent teeth in Scotland: a 15-year follow-up study.
AIMS: Although Scotland has the highest proportion of edentulous adults in the UK, the frequency of edentulousness has fallen by 21% during the last 20 years. This study, carried out in 1999, was designed to establish whether the reasons for tooth loss have also changed since 1984 when they were last determined. METHODS: The Scottish Dental Practice Board provided the names of every fourth dentist on its list among which 425 general dental practitioners were identified. They were asked to record permanent tooth extractions for 1 week, specifying the age, sex and dental attendance of patients who underwent extractions and the reasons for these extractions. 352 dentists took part: a response rate of 82.8%. RESULTS: The study confirmed that there has been a reduction in the number of extractions between 1984 and 1999: there were 25% fewer teeth extracted per patient and 30% fewer per dentist per week. From 0-20 years of age, orthodontics has replaced caries as the commonest reason for extraction and in all age groups over 20 years, caries has become the commonest reason in contrast to 1984 when periodontal disease was the principal reason in patients over 40 years old. CONCLUSIONS: Caries and its sequelae remain the most important cause of tooth loss throughout adult life in Scotland and, therefore, caries prevention and maintenance of restorations are of great importance at all ages.
Adolescent↗
Maxillary molar extraction causes increased bone loss in the mandible of ovariectomized rats.
Although osteoporosis is a major public health concern, its effect on oral bone has not been determined. More important may be the effect of estrogen depletion on the response of oral bone to dental treatments such as tooth extraction or pathologic processes such as periodontal disease. Our objective was to determine if maxillary molar extraction increases mandibular bone loss in the ovariectomized compared with a sham-operated control. Fifty-three ovariectomized and 53 sham-operated 6-month-old Sprague-Dawley rats were randomly assigned to the following groups: (1) ovariectomized, adult; (2) sham-operated, adult; (3) ovariectomized, adult, extraction; (4) sham-operated, adult, extraction; (5) ovariectomized, old; (6) sham-operated, old; (7) ovariectomized, old, extraction; and (8) sham-operated, old, extraction. Fourteen days following ovariectomy, the extraction groups had their bilateral maxillary molars extracted. The adult and old rats were sacrificed 114 and 200 days postovariectomy, respectively. The right mandible was tested to failure in three point bending. The bone mineral density (BMD) of the left mandible was measured with high resolution dual energy X-ray absorptiometry. The area fraction and area moment of inertia of mandible sections were determined using image processing software. In the ovariectomized rats, maxillary molar extraction resulted in decreases (p < 0.05) in the failure load (21%), stiffness (39%), BMD (3%), and bone area fraction (8%) of the mandible. However, in the sham-operated rats, these decreases following maxillary molar extraction were less (p < 0.05) than those in the ovariectomized rats and only present in the mandibles of the aged rats.(ABSTRACT TRUNCATED AT 250 WORDS)
Absorptiometry, Photon↗
Management strategies of the unsalvageable tooth.
UNLABELLED: A tooth is deemed unsalvageable when it can no longer be preserved for use of function or aesthetic purposes. If proper treatment planning is done, tooth extraction can be performed with adjunctive procedures, to provide a more predictable restorative outcome for the patient. This review paper summarizes the possible treatment strategies available for the management of a tooth with a poor prognosis, so as to manage the patient better before the restorative treatment phase commences. CLINICAL RELEVANCE: The management of an unsalvageable tooth using interdisciplinary approaches offers the clinician strategies for providing a more favourable restorative outcome.
Dental Implantation, Endosseous↗
Alveolar ridge resorption and mandibular atrophy. A review of the role of local and systemic factors.
Loss of alveolar bone from the edentulous jaws is a serious and common clinical problem, especially among the elderly. The retention and stability of dentures are reduced, but little is known about the pathogenesis of this bone loss. The existing data suggest that either local factors, for instance occlusal trauma, or systemic factors such as postmenopausal osteoporosis, contribute to edentulous alveolar bone resorption. This paper reviews the evidence for the aetiology of residual ridge resorption following tooth extraction.
Alveolar Bone Loss↗