(n.) The action or effect of corrosive agents, or the process of corrosive change; as, the rusting of iron is a variety of corrosion.
Example Sentences:
(1) The influence of mucin on the corrosion behaviour of seven typical dental casting alloys was investigated.
(2) Pitting corrosion was seen on low-resistant Ni-Cr alloys, which had less Cr content.
(3) It would appear that there was airborne spread of the organism from these cooling water systems which had not received conventional treatment to inhibit corrosion and organic growth.
(4) Following the injection of suitable media, the arterial tree of 22 post-mortem human stomachs was studied by angiography, or corrosion and micro-dissection.
(5) It was determined that the Ag-rich phase of Ag-Pd-Cu-Au alloy was preferentially attacked to form Ag2S corrosion product.
(6) Crevice corrosion propagation for gamma 2-free vs. gamma 2-containing amalgams was characterized by lower acceleration and maximum rates during the most dynamic period.
(7) The traditional alloys used as metal bases for fixed partial dentures are accompanied by various problems such as corrosion, allergy, toxicity, casting, and preparation for both patient and prosthodontist and in magnetic resonance imaging for diagnosis.
(8) Similarly, significant correlations were found between the individual tissue reaction scores and crevice corrosion scores from the 201 individual sites, again for all devices and for the asymptomatic and symptomatic removal groups.
(9) In the cracks corrosion products usually found on amalgam were identified.
(10) The study included 101 specimens and used an injection-corrosion technique that obtained internal casts of the main trunks and coronary arterial branches.
(11) The use of methyl methacrylate corrosion-casts has made it possible to examine the intracranial microvasculature on a three-dimensional scale with the scanning electron microscope.
(12) The present paper states very briefly the main steps leading to the technique of scanning electron microscopy (SEM) of vascular corrosion casts.
(13) Early corrosion phenomena required re-polishing every three months.
(14) The objective of this study was to determine the in vitro corrosion products that resulted from crevice corrosion of low- and high-copper dental amalgams.
(15) We present eight cases of chemical burns of the eyes from titanium tetrachloride, an acidic corrosive liquid.
(16) They depended on the type of the AC-plates as well as on their age and corrosion intensity.
(17) Corrosion potential and zero resistance ammetry studies were carried out; the effects observed were variable and depended upon the nature of the metal and its surface condition.
(18) The electrical stimulus parameters produced by the Nucleus receiver-stimulator cause no loss of spiral ganglion cells or corrosion of the platinum band electrodes.
(19) Microvascular corrosion casts of chicken embryos between four and 19 days after fertilization have been prepared.
(20) If these points are considered, comparative data, even of quantitative nature, can be obtained from corrosion casts.
Erosion
Definition:
(n.) The act or operation of eroding or eating away.
(n.) The state of being eaten away; corrosion; canker.
Example Sentences:
(1) The counts of EAC-receptor carrying neutrophils were two times lower in the patients with erosive ulcerative lichen planus as against those with the typical form of the disease.
(2) Endoscopy showed an irregular erosion of 4 by 2 cm, from which biopsies were taken.
(3) The dispute is rooted in the recent erosion of many of the freedoms Egyptians won when they rose up against Mubarak in a stunning, 18-day uprising.
(4) Poly(ortho ester) bioerodible polymers are suitable materials for the topical administration of a wide variety of therapeutic agents; varying the nature and amounts of excipients physically incorporated into the polymer will vary the erosion rates from a few hours to many months.
(5) In support of this argument, a case of erosive arthritis is reported in a skeleton from Kulubnarti, Republic of the Sudan (c. 700-1450 A.D.).
(6) As many as 72 patients with erosive and ulcerous injuries to the stomach and duodenum were examined for the clinical efficacy of antepsin (sucralfate).
(7) Important problems currently under study or requiring investigation for better understanding of the pathophysiology and management are reviewed under three major categories: acute peptic erosions and ulcers, gastric ulcer, and duodenal ulcer.
(8) We have summed up four types of essential X-ray features of cortical erosion and their pathological bases, clarified the limited ability of X-ray to reveal early cortical invasion and the range of infiltration.
(9) This is a report of the short- and long-term complications in a premature infant with tracheoesophageal fistula, including those related to central venous alimentation, seizures, chylothorax, bronchopulmonary dysplasia, dental erosions, gastroesophageal reflux, pulmonary problems, and gall stones.
(10) Erosion was observed on all teeth, but was commonest on the upper incisors, canines and premolars, and severest on palatal surfaces.
(11) Postoperatively, visual acuity was improved and symptoms of erosion decreased in both patients.
(12) Adrenaline produced severe sub-mucosal haemorrhage, but no erosions or ulceration, while prednisolone and fasting gave no gross pathology.
(13) A follow-up study of erosive prepyloric changes (EPC) was undertaken in 60 patients who originally presented with non-ulcer dyspepsia and EPC grade 2 or 3.
(14) The presence of granularity and erosion did not much affect the estimated risks.
(15) These mice also have circulating rheumatoid factor (RF) and develop histological changes in their joints characterized by pannus formation, cartilage and bone erosions.
(16) We consider that the rarity of stricture rules out the necessity of any change in management, whether or not erosive oesophagitis is observed at endoscopy.
(17) It was hypothesized that an autoaggressive attack of lymphoid cells against the epithelium of the oral mucosa played a role in the pathogenesis of this erosive stomatitis and it was suggested that there might be a correlation between the occurrence of stomatitis and the presence of Castleman's tumor.
(18) Fatale haemoptysis occurred as a result of circumferential caustic erosion to the right intermediate bronchus caused by a tablet of ferrous sulphate which remained in contact for 4 days.
(19) Prophylactic treatment by intra-articular injections twice weekly for 4 weeks caused amelioration of canine cartilage erosions.
(20) In 17 out of 18 such patients, the two-week therapy with sucralfat (venter) resulted in the disappearance of esophagitis with multiple erosions.