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Effects of oral hygiene on periodontal tissues in a town in Yugoslavia.

We examined 1316 pupils, average age 16.6 years, in a small town in Serbia. The purpose of this study was to find out the effects of the oral hygiene on the condition of the periodontal tissues and the frequency of gingivitis and periodontal disease and their severity in this age group. The presence and quantity of dental plaque were registered according to the Silness & Löe Plaque Index. The amount of dental calculus was determined according to the Greene & Vermillion method. The condition of periodontal tissues was evaluated by Ramfjord's method. It was found that only 5.3% of the examined pupils had a clinically healthy periodontium. Gingivitis was discovered in 60.6%, and periodontal disease (with periodontal pockets) in 34.1% of the examined pupils. The average PDI was 1.8. We revealed great quantities of soft and hard deposits on the teeth of examined pupils. The average Plaque Index was very high (1.9).

Adolescent↗

Periodontal treatment needs in a population of Ljubljana, Yugoslavia.

1692 citizens of Ljubljana in the age range from 15 to 65 yr participated in a survey to assess their periodontal treatment needs. Eighty-three of the participants (4.9%) were edentulous and excluded from the study. Of the 1609 dentate subjects only 2.4% were free of any signs of periodontal disease. According to the Community Periodontal Index of Treatment Needs, (CPITN), reversible gingivitis was present in 19.9% of the population, calculus and shallow pockets (4-5 mm) in 57.4%, and deep pockets (greater than or equal to 6 mm) in 20.3% of the examined participants. Bleeding on probing was the most common finding in a group of 15-yr-old subjects, calculus was most frequently found in 25- and 35-yr-old groups, and shallow and deep pockets in 45-, 55- and 65-yr-old adults. Complex treatment needs increased with age, reaching 42.9% in the 65-yr-old population. However, deep pocketing was in 60% limited to one sextant of the participants with complex treatment needs.

Adolescent↗

From Yugoslavia.

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Congresses as Topic↗

Induction of farrowing with cloprostenol on a commercial pig breeding farm in Yugoslavia.

Treatment of pregnant sows with 175 microgram of cloprostenol achieved efficient synchronisation of farrowing; 93% of treated animals commenced farrowing between 20 and 30 hours and 82% between 24 +/- 4 hours after injection. Duration of farrowing and weights of piglets at birth and weaning were not significantly affected by treatment. There was no harmful effect on piglet viability up to weaning and treated sows returned to oestrus within the expected time after weaning. There was a higher incidence of the mastitis-metritis-agalactia syndrome in control sows. The implications of these findings on the management of commercial pig farms is discussed.

Animals↗

Intermediate alpha1-antitrypsin deficiency and chronic obstructive pulmonary disease in Yugoslavia.

As part of a larger investigation of factors associated with chronic obstructive pulmonary disease among Yugoslavian men, an attempt was made to measure the role played by alpha1-antitrypsin deficiency in the causation of those diseases. Almost 3,000 men from Tuzla, an industrial and mining center in central Bosnia, were screened for alpha1-antitrypsin deficiency. Twenty-six men heterozygous for the Pi MZ phenotype were found in this population. The men with the Pi MZ phenotype were compared with a random sample from the total population. The analysis of the data showed that there is an apparent physiologic impairment associated with Pi Z heterozygosity that produces a shift in the relationships between the different lung volumes without over-all hyperinflation, namely, an increase in residual volume at the expense of vital capacity. However, because of the low prevalence of the Pi Z gene, it does not appear to account for much of the high rate of chronic obstructive pulmonary disease found in this population.

Adult↗