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Twenty-two cardiopathic patients (mean age 54.4 +/- 9.9 years) underwent dynamic electrocardiography during tooth extraction under local anesthesia (mepivacaine hydrochloride 2% plus adrenalin 1:200.000). Heart rate (p less than 0.001), systolic and diastolic blood pressure (p less than 0.001) significantly increased during tooth extraction returning to values near to basal level in the recovery period. No patients showed significant changes in ST segment. One patient with chronic atrial fibrillation presented an increase in ventricular rate (180 beats/min) and appearance of premature ventricular beats, spontaneously regressed. In conclusion, in cardiopathic patients dental operations by local anesthesia with vessel constriction it is possible, provided estimated clinical conditions of patients.

In this study it has been valued the differences between T.C. and "scialography" in the parotid gland cystic lesions. Between 1986 and 1987 we examined 100 patients affected by parotid gland diseases utilizing the two different techniques. In 7 patients we diagnosed cystic lesions of parotid gland. Afterwards we compared the results obtained by T.C. and by scialography.

The A.A. examine the histopathologic variations of the enamel, pulp and dentin in the dentary element of the aged people. Besides the principal indications and contraindications to the endodontic therapy have been pointed out.

The AA, in their study have weigh the oral health in a group of institutionalized old subjects showing a nearly constant parodontal disease, a high persistence of infected roots, a high caries incidence; all that takes away again a low level of oral health.