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At least 19 recordsLinked to original sources
PubMed1990

Extraosseous and intraosseous oral traumatic neuromas and their association with tooth extraction.

Tooth extraction has been suggested as the most common etiologic factor in the development of oral traumatic neuroma, but intraosseous lesions are stated to be rare. The clinicopathologic features of 45 oral traumatic neuromas are reviewed. Fifteen cases were painful. Inflammatory infiltrate was present in 53% of the painful cases in contrast to only 17% of asymptomatic neuromas, and was the only light microscopic feature significantly related to the incidence of pain. Eleven of 45 cases were found in an intraosseous location. Four of 45 reviewed neuromas were associated with extractions. All 4 cases were painful and 2 of them were in an intraosseous location. Only 3 of the 15 painful cases and 2 of the remaining asymptomatic 30 cases had a tentative clinical diagnosis of traumatic neuroma before removal.

Adolescent↗
PubMed1992

Keeping one in the air: iconography of the newly extracted tooth.

Tooth extraction remains a universally identifiable symbol of dentistry. Descriptions of the procedure in art and literature suggest three attributes of the dentist in the act of removing teeth: skill, power, and healing. Elements of the dentist's cultural identity are examined in light of the abundant imagery of dental extractions.

Cartoons as Topic↗
PubMed1992

The relative importance of reasons for tooth extraction in terms of potential tooth years of life lost (PYLL).

The aim of the present study was to introduce the potential tooth years of life lost (PYLL) approach to the analysis of data showing the incidence of tooth extraction according to the reason for extraction and to illustrate its use. Six sets of data from prospective nationwide questionnaire surveys of patients treated by systematic random samples of dentists in five European countries were translated into PYLL. Response rates ranged from 25 to 81 per cent and the number of extracted teeth from 959 to 29,397, according to the study. PYLL in Norway 1988 was calculated using the ages of 85 and 80 as cut-off points, or the average sex-specific remaining life expectancy at the age of extraction; otherwise the age of 85 was used. Mean PYLL for all reasons varied from 40.6 to 46.3 years for Norway in 1988 depending on the cut-off point used. For patients aged 21 and older PYLL85 ranged from 35.7 years for France in 1984 to 42.3 years for Sweden in 1959-61. Employing PYLL changed the rank order of the reasons for extraction based on the number of extracted teeth in some instances. It combined the two dimensions 'incidence of 'potential years of tooth function lost' into a continuous quantitative variable which was easy to understand and simple to handle analytically.

Adult↗
PubMed1990

[Experimental study of bone resorption after tooth extraction with implanted hydroxyapatite tooth root substitute].

Hydroxyapatite (HAP) tooth root substitute implantation have been applied to extraction sockets in many studies for purpose of preservating alveolar bone. Dimensional changes were measured with sectioned study cast of cephalometric X-ray photo. In this study, dimensional changes were determined by newly developed evaluation system which utilizing image analyzer (Immunomedica Co., Ltd.), in a view of conserving alveolar ridges beneath the denture base. Cone shaped HAP tooth roots (5 or 6 mm in length) were implanted to one subject and disk-like shaped HAP tooth roots (2 mm in length) were also implanted to the other subject. Preservation of alveolar bone was observed in both shaped HAP tooth roots implanted site compared to control site. Bony ankylosis between HAP tooth root and alveolar bone, observed on 1 month after histological specimens, may contribute to this result. Smaller changes of blood flow compared to controls were obtained on implanted site, which were measured with Laser Doppler blood flow meter (Perimed KB; Sweden) on buccal mucosa. We consider that HAP shows good biocompatibility and HAP tooth roots implantation decrease the wound volume consequently.

Alveolar Bone Loss↗
PubMed1991

[Analysing the effects of tooth extraction under acupuncture anesthesia in 825 cases of senior].

It has been found that the effects of tooth extraction under acupuncture anesthesia (AA) for the old patients are generally quite good. In order to verify this result, the authors had statistically analysed 825 cases aged over 60 years (Group A) and equal quantity whose age were between 18-40 years old (Group B) out of more than 4000 cases whose records of AA were rather completely during 1973 to 1988. 1. There was no significant difference under AA for different sexes. 2. The differences of the excellent rate of AA between Group A and Group B were extremely evident either in the positions of the tooth or the reason of tooth extraction. The former was 89.04% and the latter 76.20% (P less than 0.005). 3. Although a low rate in excellence of tooth extraction under simple AA (only 75.58%), not so good as the effect by AAA (an average about 88.21%), the simple AA was more common and more easier to be accepted by patients. 4. Tooth extraction under AA has been proved to be safe, effective and without any complications. 5. The reasons for the senior to extract their teeth were almost for the broken crowns and of roots or the purposes of prosthetic restoration. Even though the pain thresholds in the senior were commonly higher. It is still an important factor of the good effect and good rate of tooth extraction under AA. Referring to the statistics in this study the authors suggest that the hospitals which can use the AA for tooth extraction adopt the method as the first choice of anesthesia method to the senior who intends to accept it.

Acupuncture Analgesia↗
PubMedDate not supplied

[Survey of reasons for tooth extraction in the framework of government-sponsored dentistry].

The purpose of this study was to determine the reasons for tooth extraction and to estimate the state of dental health in Hungary. Questionnaires with detailed instructions were sent to 300 Hungarian dental practitioners selected at random asking them to record and submit data on every extracted tooth during one month in 1986. They were also asked to give the reason for extraction in each case. 115 dentists returned completed forms on 7978 teeth which they had extracted. The dental caries was the most frequent cause for extraction (64%), followed by periodontal diseases (25.1%). 3103 teeth, 60.73% of teeth extracted because of caries had not been treated before the extraction. The results show that the dental caries remains the most important challenge for the Hungarian dental service during the next decades. The great numbers of extractions per dentist reveal the inadequacy of dental service in Hungary.

Dental Health Surveys↗
PubMedDate not supplied

[Size of wound area and frequency of alveolitis after tooth extraction].

Electron spin resonance was used to measure out 160 tooth root surfaces. These data represent a measure for wound area sizes after tooth extractions. A comparison of these values with clinical data results in a correlation between the size of wound area and the frequency of inflammatory healing disorders after tooth extractions.

Dry Socket↗
PubMed1991

Placement of endosseous implants into tooth extraction sites.

This study reports 4-year experiences with placement of hydroxylapatite-coated dental implants into extraction sites immediately after tooth extraction. Small defects present after implant placement were treated with dense, nonresorbable hydroxylapatite. Larger defects present after implant placement were treated with demineralized bone. Indications and contraindications for placement, as well as surgical techniques, are discussed.

Bone Resorption↗
PubMed1977

A survey of causes of permanent tooth extractions in South Australia.

Reasons for permanent tooth extractions were studied in a survey in South Australia conducted over a two week period in which 154 dentists participated, a response rate of 43 per cent. Of 2,387 teeth extracted from 1,104 patients, caries accounted for 52 per cent, periodontal and orthodontic causes 25.6 and 11.1 per cent respectively, impacted teeth 6.5 percent, and prosthetic reasons 2.8 per cent. Caries was the most prevalent cause in the age groups 20-40 and over 70 years. Between 40 and 70 years more than 50 per cent of the teeth were extracted for periodontal reasons.

Adolescent↗
PubMed1991

A longitudinal study of the condition of first permanent molars in a group of adolescents with special reference to elective orthodontic tooth extraction.

The aim of this study was to investigate changes in the condition of first permanent molars over the teenage years, with special reference to adolescents who lost premolar teeth for orthodontic purposes. A total of 453 South Wales schoolchildren (219 males and 234 females) were examined at the ages of 11-12 and 19-20 years. At 11-12 years, 89.6 per cent of the cohort had all four first permanent molars, while 3.3 per cent had already lost these teeth. Of those first permanent molars present, 61.7 per cent had some caries experience. At age 19-20, 80.6 per cent of subjects retained four first permanent molars while 4.4 per cent had none. Of the first permanent molars present, 80.6 per cent had been affected by caries. In 60 per cent of the 186 subjects (75 males and 111 females) who had lost premolar teeth in the course of orthodontic treatment, a sound premolar was extracted in preference to a first permanent molar which already had evidence of dental disease. At age 19-20 years, the majority of the first permanent molars were restored and otherwise sound, though a small number which had been restored at age 11-12 years had been lost due to caries.

Adolescent↗
PubMed1979

[Use of the intra-alveolar GR (gelatin-resorcinol) dressing after tooth extraction in patients with hemorrhagic diathesis].

The suitability of an intra-alveolar gelatin-resorcinol dressing for controlling bleeding was tested in 118 tooth extractions on a total of 87 patients. Plain advantages of the dressing are: prompt haemostasis (which in most cases avoids hospitalization and substitution therapy), low cost, and easy application. The dressing is not always reliable in controlling bleeding after milk tooth extraction.

Adult↗
PubMed1975

Tooth extraction in a patient with Glanzmann's thrombasthenia.

A 14-year-old Japanese boy suffering from Glanzmann's thrombasthenia required extraction of two permanent teeth and one primary tooth. This report deals with the details of the procedure and discusses the effect of platelet transfusion and local management in tooth extraction of patients with this hemorrhagic diathesis.

Adolescent↗
PubMed1992

[Veterinary dentistry (4). Tooth extraction in dogs].

In this paper of a series on small animal dentistry tooth extraction in dogs will be discussed. A review of indications for extractions, basic instrumentation, extraction techniques and their complications in dogs are described.

Animals↗
PubMed1991

[The role of fibrinolysis in the pathogenesis of alveolitis after tooth extraction. Preliminary report].

We registered fibrinolytic activity of blood within fresh wounds after tooth extractions by means of measuring fibrinolysis in vitro. In cases which later developed alveolitis we found higher degrees of fibrinolysis. Women taking oral hormonal contraceptives showed fibrinolysis to a greater extent than other women or men. We found more fibrinolytic activity in cases with longer extraction times. Possible starting points for prevention of alveolitis are discussed.

Contraceptives, Oral, Hormonal↗