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[Effects of ultrasonic stimulation on tooth extraction wound healing: histological study in rats].

The effects of ultrasound on the wound healing process after teeth extractions were studied histologically. The right upper incisor was extracted in 56 rats. They were divided into 2 groups, one control (I) and one experimental (II). Group II received ultrasound stimulation that was applied with the frequency of repetition of 1,000 Hz and pulse length of 2,000 us continuously, during five minutes daily since the extraction day until 24 hours before the death. The rats were sacrificed at 3, 6, 9, 12, 15, 18, and 21 postoperative days. The results showed a precocious granulation tissue formation, faster remodeling of osseous ridges, and consequently acceleration of the alveolar wound healing process.

Alveolar Process↗

[Characteristics of the arrest of hemorrhages occurring after tooth extraction in patients with congenital coagulopathies].

Prompt and durable hemostasis was achieved in 56 hemophilic patients and 62 patients with von Willebrand disease in 131 and 62 teeth extractions, respectively. The antihemophilic globulin-containing drug was infused as only a single dose in 61 of the 146 cases. Kaprofer, hemostatic sponge with kanamycin and tamponade were locally applied. No bleedings were observed.

Blood Coagulation Disorders↗

The relation of tooth extraction to anginal attack.

This clinical study retrospectively compared the relationship of anginal attack during dental extractions with factors such as blood pressure, heart rate, rate-pressure product, and electrocardiographic findings. The anesthetic procedure produced the greatest change in the various parameters. No direct relationship could be observed between anginal attack and doses of lidocaine, epinephrine, and premedicative drug or time required for treatment.

Adult↗

An investigation of the effects on children of tooth extraction under general anaesthesia in general dental practice.

OBJECTIVE: To describe the morbidity related to general anaesthesia provided in general dental practices for the extraction of teeth in school children. DESIGN: Observational study supported by structured questionnaires and interviews. SETTING: Three general dental practices in a Lancashire health district and children's homes. SUBJECTS: 80 children aged 5-15 years undergoing extractions under general anaesthesia. MAIN OUTCOME MEASURES: Observed demeanour of the children prior to, during and immediately after the surgical procedures. Reported morbidity during the following 24 hours and 1 month later. RESULTS: 92% of the children complained of symptoms associated with the surgery under general anaesthesia. Distress was noted in 16 (20%) patients during the induction of 26 (33%) during recovery. Continued crying was reported for 24 (39%) during the journey home and for 23 (37%) once home had been reached. Other symptoms included nausea, vomiting, sickness and prolonged bleeding. Six reported psychological trauma 1 month after; three had nightmares, two had continuing bad memories and one was depressed for several days. CONCLUSION: Morbidity following extractions under general anaesthesia in general dental practice is common and has distressing consequences for the young patients and their carers.

Adolescent↗

[Subcutaneous cervicofacial and mediastinal emphysema complicating tooth extraction: case report].

Subcutaneous emphysema is a rare and well-known complication of dental procedures. Many cases go unrecognized and resolve spontaneously, while others may require specific surgical management to prevent complications. We present a case of cervicofacial and mediastinal emphysema which occurred during a routine dental procedure and a review of the literature on differential diagnosis and management.

Adult↗

[Streptococci isolated from the blood after tooth extraction. Their role in subacute bacterial endocarditis].

A classification, according to the Lancefield's method, of the streptocoques isolated in the blood, after teeth extractions, as well as a determination of their sensibility to the antibiotics, are attempted in this study. It concerns to 23 adults, well supported, to whom multiple extractions, under general anesthesia have been done. We studied both biochemical and serological reactions, and a test for the antibiotic resistance is realised. We insiste in the contrindiction of streptomycine and sulfanilamides in the treatment or the prevention of bacteremia of dental origine.

Anti-Bacterial Agents↗

A case of Ludwig's angina following tooth extraction.

Ludwig's angina developed in an adult Chinese male following a mandibular third molar extraction. Brawny and tender swellings of the floor of the mouth and neck, with the elevation of the tongue, were classically present. The management of this case was based on the current emphasis of early broad-spectrum and antibiotic therapy with the maintenance of an adequate airway. The role of dental infection in this condition was highlighted.

Ampicillin↗

[Subcutaneous cervical emphysema secondary to tooth extraction].

Cervical emphysema is rare and its diagnosis involves the ENT specialist. A case of cervical subcutaneous emphysema secondary to lower molar extraction is reported. The patient had no signs or symptoms other than cervical emphysema. Simple radiography and CT are recommended for early diagnosis. The etiopathogenic mechanisms of subcutaneous cervical emphysema are reviewed. Recent literature contains few cases of dental origin.

Cervical Vertebrae↗

[The healing characteristics of the sockets following surgery in tooth extraction in workers in viscose manufacturing].

The study of cicatrization after the teeth extraction in workers of viscous rayon industry which had had a long contact with sulfuric carbon revealed a lower regeneration potential and increased complication incidence as compared to control patient group. Preventive measures are designed providing for control check-ups 3 to 5 days after the intervention and the use of rehabilitation period in presurgical preparation of the patients.

Alveolar Process↗

Caries status at the moment of total tooth extraction in a rural and an urban area in the Netherlands.

Edentulousness varies with the availability and accessibility of dental care. Comparing the dental status of groups of patients getting full dentures might give insight into the effect of different levels of supply of dental care on the dental condition. Therefore a research project has been started in the Netherlands in an urban and a rural area, having dentist-patient ratios of 1:2,500 and 1:5,700 respectively. In the urban and rural area an equal proportion had partial dentures prior to losing the last of their teeth. However, in the urban area 33% of the patients wearing partial dentures had full maxillary or mandibular dentures; in the rural area this figure was 73%. In the rural area a larger proportion had lost 21 or more teeth at the moment of total extraction. Therefore, it was concluded that in the urban area more effort was spent in maintaining the natural dentition. Looking at DMF-T figures and separate components of DMF-T, no differences could be established between people living in areas with a high and a low dentist-patient ratio.

Adult↗

An assessment of morphine requirement after wisdom tooth extraction under general anaesthesia.

The use of morphine delivered by a patient-controlled analgesia system was studied in 20 patients who had undergone surgical extraction of three or four wisdom teeth as inpatients. Whilst 64.3% of the patient requests were made in the first 8 postoperative hours, use of the system continued throughout the night in the majority of patients. The implications for analgesic regimens in day-case surgery are discussed.

Ambulatory Surgical Procedures↗

[The clinical significance of bacteremia following tooth extraction].

A group of 61 patients underwent conservative and surgical dental treatment in general anesthesia and their blood was sampled for bacteremia before and after treatment. The antibiotic antibacterial prophylaxis was administered in 21 patients one hr. before treatment (both in conservatively and surgically treated patients). Immediately after the treatment the prevalence of bacteremia amounted to 80% in a group of ATB-free patients. In patients with ATB prophylaxis the prevalence of bacteremia after the treatment amounted to 17%.

Adolescent↗

Tooth extraction in two patients who had a congenital deficiency of factor XIII.

Two cases of the extraction of deciduous teeth in unrelated patients who had congenital Factor XIII deficiency are reported. The modes of inheritance of the deficiency are discussed, and methods of screening, diagnosis, and treatment are suggested. A combination of a local hemostatic treatment and transfusion of Factor XIII concentrate resulted in the sockets healing without further postoperative bleeding in both cases.

Child↗

The effect of partial-pancreatectomy-induced diabetes on would healing subsequent to tooth extraction. Histologic study in rats.

A histologic study of the effects of diabetes on wound healing of dental sockets was undertaken in rats. The diabetic sate was achieved by performing partial pancreatectomies. The subjects were perfused with 25 percent glutaraldehyde (fixation) and the healing sockets were studied at 3-day intervals during a period of 22 days. The delayed healing observed in this study, when the diabetic condition was due to partial pancreatectomy, was not influenced by the technique used, but was the result of the metabolic modifications of the induced disease.

Alveolar Process↗

Alveolar ridge preservation at tooth extraction.

The principles of guided bone regeneration, which are at the core of contemporary periodontal therapy, have evolved into the present generation of barrier membranes, which greatly improve the overall result by not requiring primary closure. The supplemental addition of calcium sulfate to the graft materials appears to accelerate the rate of vital bone formation. In the future, these procedures are likely to become less invasive and more predictable, barrier membranes may not be needed and additional materials will be available that will accelerate the formation of bone.

Alveolar Ridge Augmentation↗

Trends in reasons for tooth extractions in Norway from 1968 to 1998.

The aims of this study were (i) to determine the reasons for extraction of permanent teeth in Norway in 1998 and (ii) to describe changes in reasons for extraction in time-trend and quasi-longitudinal perspectives over 30 years based on three cross-sectional studies. The 1998 data were obtained from questionnaires distributed to a national random sample of 1,500 dentists, of whom 1,008 responded (67%). A total of 1,495 teeth were extracted for 1,164 patients (age 10-92 years) during a period of 2 weeks. Caries accounted for 40% of the extractions and periodontal diseases for 24%. Caries was the primary reason in patients 10-45 years old, while periodontal diseases dominated among adults > 45 years old. In a time-trend perspective, among patients > or = 21 years, a significant decrease in the proportion of extractions because of caries was observed between 1968 and 1988, while non-significant changes were found between 1988 and 1998. Extractions because of periodontal disease accounted for about 26% in all surveys. Followed longitudinally, the three cohorts born 1923-32, 1933-42, 1943-52 showed a decrease in the proportion of extractions due to caries, and an increase in the proportion of periodontal extractions during the period, more so between 1968 and 1988 than between 1988 and 1998. The three cohorts showed a variable trend of change, which may indicate that period and age effects do not necessarily operate in the same direction.

Adolescent↗

[Tooth extraction wound healing after administration of vitamin B6 (pyridoxine). Histological study in rats].

Male rats with 250 grs of weight were injected daily with 0.1 ml of B6 vitamin by peritoneal (way paths). The animal were sacrificed at three, seven, 10, 15 and 21 day after the upper incisor extraction. Its hemimaxila were retired and fixed in 10% formalin and after had been embedded in paraffin sections were cut with 6 micrometers pick. The analysis of the sections stained by hematoxylin and eosin when compared with the controls showed that: 1) the blood clot and fibrin net are substituted more rapidly by the granulation tissue; 2) granulation tissue is more plentiful, early and mature; 3) the bone tissue is more plentiful and mature.

Animals↗