The influence of the X-ray spectrum at compact bone-titanium interfaces in digital dental radiography.

Objectives: To determine the optimum X-ray spectrum in digital dental radiography once the dose around an implant and the diagnostic usefulness of the image are taken into account.

Materials And Methods: A Monte Carlo code (MCNP4B) was employed for computing the dose distribution across the bone-titanium interface. The X-ray spectra used were those met in digital dental radiography; 50-70 kVp, 2 mm Al total filtration, 5 kVp increment.

Radiation absorbed doses at compact bone-titanium interfaces in diagnostic radiography: a Monte Carlo approach.

Objectives: The aim of this study was to estimate the radiation absorbed dose at cortical tissue-implant interfaces in diagnostic radiology.

Methods: Since our interest was the radiation dose at an interface (cortical bone-implant interface), a Monte Carlo simulation was considered to be the most suitable method for studying the problem. The Monte Carlo code employed was MCNP4B.

[Evaluation of history and clinical oral examination in patients taking psychopharmacologic agents].

The medical history and clinical oral examination of 125 patients taking psychopharmacologic agents as antipsychotic, antianxiety, antidepressant and hypnotic were studied and evaluated. From this study the following findings were assessed. Most patients taking antidepressant (63.