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In summarizing the present experimental results of tooth extraction, it can be emphasized that the disturbance of the sensory input units from the teeth resulted in a definite degeneration of the primary neurons. On this ground, it is suggested that the lesion of the sensory input units in the masticatory computer system, according to the individual age affected, may become a large factor in impeding the masticatory activity and accelerating the aging of the masticatory function.
Urinary VMA excretion was studied in 3 groups of young and healthy subjects, before and 2 h after a standard tooth extraction. Local anaesthesia was either a solution of lignocaine 2% (1st group, n = 17) or a mixture of lignocaine 2% with noradrenaline bitartrate, 1250 micrograms/100 ml, (2nd group, n = 13) or lignocaine 2% with adrenaline hydrochloride 1250 micrograms/100 ml (3rd group, n = 10). Mean VMA excretion rose from 3.6 +/- 2.8 to 6.7 +/- 4.6 mg/g creatinine, in the first group. In the 2nd group, the mean VMA excretion was 2.3 +/- 1.2 and rose to 6.2 +/- 2.8, whereas in the 3rd it rose from 2.3 +/- 0.92 to 8.3 +/- 7.6 mg/g creatinine. The increase of VMA excretion after the tooth extraction was of the same order in the 3 groups studied and was not affected by the addition of noradrenaline and adrenaline in the anaesthetic solution.
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.
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This report presents a therapeutic approach to orthodontic tooth extraction in a patient at high risk for the development of osteoradionecrosis with conventional techniques. The rationale for this procedure is discussed in detail, combining principles of radiation biology, clinical radiation therapy, and biomechanics of tooth movement.
A study was conducted to analyze how tooth extraction procedure would affect patient's physical equilibrium sensation, using the positional centric equilibrium measuring device. Forty-five health subjects, between the ages of 20 to 30, with no systemic nor equilibrium abnormalities were selected for this study. The results obtained were as follows. 1. No noticeable changes in the centric movement were observed during the postural change from a sitting to a standing position. 2. Centric movement was transiently increased immediately after the movement from a horizontal to standing position. The average arterial pressure was decreased immediately after the alteration in body posture, suggesting that changes in body posture may influence the controlling mechanism of BP. 3. Increases in the area and velocity of the centric movement were found immediately after and up to 10 minutes after, respectively, topical administration of the anesthetic. During this time span, no correlation found between centric movement changes and circulatory changes suggested that topical anesthesia might influence the recovery reflex via central nervous system. 4. The effect of the extraction procedure on the centric movement area and the anteroposterior centric movement speed lasted for 10 minutes after extraction. On the other hand, the increase in the velocity of bilateral centric movement as well as whole body centric movement was found up to a point immediately after extraction. No correlation was found between circulatory changes and centric movement changes. It therefore was assumed that the topical anesthesia affected the recovery reflex via central nervous system.
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.
Life threatening airway obstruction occurred following a single tooth extraction in a patient who had hereditary angioedema, despite preoperative administration of FFP and danazol. Emergency intubation was performed in the operating room, and assisted respiration was required during the acute attack. The clinician should be aware that an acute attack of HAE may occur even though recommended medical management regimens are followed and should be prepared for emergency airway control.
Tooth extraction was carried out in 405 patients with various hemostatic disorders due to thrombocytopenia, chronic liver disease, hemophilia A and B, von Willebrand's disease and oral anticoagulants. Human fibrinogen concentrate was used as local hemostatic agent. Prophylactic replacement therapy (platelets or plasma concentrates) and antifibrinolytic agents were not administered. Oral anticoagulants were not discontinued. Minor postextraction bleeding occurred only in severe hemophilia A and occasionally in the oral anticoagulant group.
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.
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.
Preventing caries and reducing out-of-pocket costs for dental services are two strategies proposed by the authors to lower the rate of tooth extractions. Efforts also must be made to change public values about the importance of restoring rather than extracting carious teeth.
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In 10 patients with indication to tooth extraction swaps from the microbiotopes "sulcus/gingival pocket", "root canal", "socket" and "extraction wound 2 and 7 days after extraction" were investigated bacteriologically. The anaerobic-aerobic mixed flora with predominance of anaerobes verified in the microbiotopes "sulcus/gingival pocket", "socket" and "extraction wound 2 days after extraction" was identically. The flora of the root canal was distinguished by a smaller amount of microbes with predominance of aerobes. In the 7 days old extraction wound only single aerobes could be verified whereas anaerobes were missed totally.