ABSTRACT
The purpose of this investigation was to study the incidence of the appearance of the nutrient canals in periapical radiographs of the mandibular anterior region, in hypertensive patients. Of the 120 patients studied, 60 exhibited hypertension where the rest 60 did not. The results of the present study showed that: 1. The incidence of the appearance of the nutrient canals is much greater in the patients with hypertension (55%) than in the patients without (41.66%). 2. In patients with hypertension nutrient canals are seen more frequent in males (68.75%) than in females (39.28%). 3. The number of nutrient canals increases with age in both groups of patients.
Subject(s)
Alveolar Process/diagnostic imaging , Haversian System/pathology , Hypertension/pathology , Alveolar Process/pathology , Female , Humans , Male , Radiography , Sex FactorsABSTRACT
The purpose of this study was to determine the incidence of the appearance of nutrient canals in periapical radiographs of the mandibular anterior region of hypertensive patients with alveolar bone loss. A total of 220 patients were examined, 120 patients exhibited hypertension and radiographic signs of alveolar bone loss, where 100 patients did not. The results of the present study showed that: 1. The incidence of the appearance of the nutrient canals is much greater in the hypertensive patients with alveolar bone loss (58.33%) than in the nonhypertensive patients without alveolar bone loss (54%). 2. In hypertensive patients with alveolar bone loss, nutrient canals are seen more frequent in females (59.01%) than in males (57.62%). 3. The number of nutrient canals increases with severity of alveolar bone loss.
Subject(s)
Alveolar Process/diagnostic imaging , Bone Resorption/complications , Haversian System/diagnostic imaging , Hypertension/complications , Adult , Aged , Female , Humans , Male , Middle Aged , RadiographyABSTRACT
The aim of this study was to determine the absorbed doses of radiation in skin and deeper tissues as well as in critical organs, in vitro. For this purpose were used: a Siemens Orthoceph-10 cephalometric unit; a tissue equivalent Phantom head, type Rando; 43 thermoluminescencent dosimeters (T.L.D.), rare earth screens type, Siemens titan ZHS and Dupont Cronex-4 films 24 x 30 cm. Of the 43 T.L.D. 21 were places on the skin head, face and neck surface and 22 were places in deeper tissues and organs, and the exposure parameters were: 77 Kvp, 12 mA and 0.8 sec. The results of this study showed that: 1. doses on the left side towards focus were greater than the right side. 2. surface skin doses were ranged between 0.10 to 0.21 mGy. 3. Doses in deeper tissues or organs were varied and depended on the location and the consistency of tissue and were greater than the surface skin doses. Comparing our results with the results of other studies we can conclude that dose reduction to patient, can be achieved with use of rare earth screens in combination with fast speed film and the use of low exposure parameters.
Subject(s)
Cephalometry/methods , Radiation Dosage , Thermoluminescent Dosimetry/instrumentation , Humans , Radiography, Dental , X-Ray Intensifying ScreensSubject(s)
Maxillary Sinus/diagnostic imaging , Adult , Child , Humans , Maxillofacial Development , RadiographyABSTRACT
The jaws of 368 edentulous patients are evaluated radiographically and the findings presented. Patients were selected at random from those attending the Oral Diagnostic Clinic of the Dental School of the University of Athens. Pathological findings consisting of residual roots, impacted teeth, radiopaque and radiolucent areas, foreign bodies, and soft tissue calcification were found in 37.0 percent of the patients examined. These conditions were not identifiable from the history or the clinical examination of the patients; 47 patients had been denture wearers for a period of 1 to 5 years. Analysis of the type, incidence, and location of the pathological conditions found in this study stresses the necessity of radiographic examination of the jaws of all edentulous patients prior to construction of complete dentures.
Subject(s)
Jaw/diagnostic imaging , Mouth, Edentulous/pathology , Aged , Female , Humans , Male , Middle Aged , Radiography, Panoramic/instrumentationABSTRACT
The literature is reviewed and three cases of simultaneous presence of partial anodontia and supernumerary teeth are reported. In all three cases the abnormality involved both the maxilla and the mandible. The role of the panoramic radiograph in the detection of rare cases of this kind is emphasized and illustrated.
