What's the difference between acidulous and caustic?

Acidulous


Definition:

  • (a.) Slightly sour; sub-acid; sourish; as, an acidulous tincture.

Example Sentences:

  • (1) Under the conditions of the study, pretreatment of the tooth roots with 2 per cent acidulated sodium fluoride did not reduce root resorption and ankylosis.
  • (2) With the exception of the excessive exposure to acidulated fluoride, ammonium bifluoride, or hydrofluoric acid, there is little risk of surface degradation of virtually all current dental ceramics.
  • (3) There was less load relaxation found in chains that were immersed in distilled water and Acidulated Phosphate Fluoride than in chains exposed only to air.
  • (4) Using the scanning electron microscope and the polarized light microscope, the effects of acid-etching on acidulated phosphate fluoride (APF)-treated caries-like lesions of enamel were investigated, with respect to the etching patterns produced and the suitability of those patterns for resin bonding, and the histopathological features of the caries-like lesions.
  • (5) Statistically significant differences in roughness were found among surfaces exposed to 1.23% acidulated phosphate fluoride gel, 8% stannous fluoride, and the control surfaces.
  • (6) Whereas the effectivity of H2O2 can be influenced only little through the acidulation (to pH 2.7) its combination with chinosole are distinctly superior to H2O2 in their effectivity.
  • (7) Two groups of children, initially in the first and second grades, chewed, rinsed with, and swallowed an acidulated phosphate-fluoride tablet containing 1 mg of fluoride either once or twice a day in school.
  • (8) Treatment of the etched enamel with acidulated phosphate fluoride reduced the bond strength of all four fissure sealants.
  • (9) Acidulated phosphate fluoride topical applications are effective in the prevention of dental caries.
  • (10) Biological acidulation with a high inoculum of Pediococcus cerevisiae inhibited anaerobic staphylococcal growth but failed to suppress aerobic growth completely.
  • (11) Application of 1.23% acidulated phosphate fluoride for periods of 16 and 32 minutes caused etching in both groups, but the autoglazed group was significantly more effected.
  • (12) The results showed that (1) the washing system did not remove F from untreated enamel surface, (2) a four-minute application of an acidulated phosphate fluoride (APF) gel deposited 27.2 (2.4) (mean, S.E.)
  • (13) With chemical acidulation of sausage, growth could be controlled both aerobically and anaerobically with approximately 1.5% glucono delta lactone.
  • (14) The sample was distributed into two groups: children from Group 1, which received a semestral topical application of Acidulated Fluor Phosphate at 1.23% and children from Group II, that besides the topical application above related (Group I) also received weekly mouthwashes of sodium fluoride aquesus solution at 0.2%.
  • (15) Sodium fluoride and sodium monofluorophosphate solutions reduced root surface solubility by approximately 30 percent while acidulated phosphate fluoride and stannous fluoride were more than 2.5 times more effective, the solubility reduction exceeding 80 percent.
  • (16) The acid-resistance of the tooth surface is strengthened to form noncrystal lanthanum fluoride on its surface by the two-step treatment (F-La treatment) with acidulated-phosphate fluoride and lanthanum chloride solutions as previously reported by Fujiwara, Negishi, Miyagi et al.
  • (17) The ability of a topical fluoride regimen consisting of a 4-min application of a saturated dicalcium phosphate dihydrate (DCPD) solution followed by a 4-min application of 1.23% acidulated phosphate fluoride (APF) to inhibit caries-like lesion formation in sound enamel was compared to that of a 4-min application of APF.
  • (18) The effect of 1.23% acidulated phosphate fluoride, 0.40% stannous fluoride gels, and 2.00% citric acid solution on 150.00 overglazed and 150 autoglazed porcelain surfaces was measured using a profilometer.
  • (19) The amount of calcium and phosphorus liberation by the acid solution was greatest in the control group, followed by the group of teeth treated in acidulated solution and, finally, by those treated in 2% sodium fluoride solution.
  • (20) Only one of the imported products showed a statistically significant higher fluoride uptake than the acidulated South African manufactured phosphate fluoride gel.

Caustic


Definition:

  • (a.) Alt. of Caustical
  • (a.) Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.
  • (a.) A caustic curve or caustic surface.

Example Sentences:

  • (1) According to the report filed by the New York state department of financial services (NYSDFS), when warned by a US colleague about dealings with Iran, a Standard Chartered executive caustically replied: "You f---ing Americans.
  • (2) He had severe standards and was caustic about people in public life and the way things were run.
  • (3) 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.
  • (4) Four cases of combined hypopharyngeal and cervical esophageal stricture secondary to caustic ingestion are presented.
  • (5) Initial endoscopic examination showed moderate caustic esophagitis in all patients, and esophageal atony and poor distension were early roentgenographic observations.
  • (6) The stigma of having no brothers or sisters meant that any acting up was immediately dismissed with a caustic, “Well, he is an only child.” The subtext was that my parents had doted on me excessively, inflating my sense of importance.
  • (7) The caustic property of silver nitrate prompted a double-blind, controlled study of a possible causal relationship between use of the agent for prophylaxis against ophthalmic infection in the newborn and the subsequent development of nasolacrimal duct obstruction.
  • (8) The effects of accidental ingestion of a caustic detergent are studied in the report of 14 patients seen in the Hennepin County Medical Center.
  • (9) The success of conservative treatment has been higher in patients younger than 8 years of age, and in strictures due to caustics other than lye involving upper third portion and less than five cm of an esophageal segment.
  • (10) Despite the sometimes self-deprecating shtick – in sharp contrast to Putin's self-mythologising antics – there remains disquiet about what Navalny really represents, behind the caustic put-downs and cool persona.
  • (11) Caustic ingestion in adults must be viewed as a problem different from that of accidental ingestion in children.
  • (12) Exposure to caustic agents is a common problem, affecting thousands of individuals annually.
  • (13) This result counters the theory that a caustic response is a prerequisite for successful therapy.
  • (14) With both kinds of caustic agents the decrease of acid phosphatase activity was more striking than that of the alkaline phosphatase.
  • (15) Even so, Iain Macleod and Enoch Powell refused invitations to join the new government and Macleod published in the Spectator a caustic account of all the skullduggery.
  • (16) L'eau de Javel (bleaching agent with sodium hypochloride) was the most frequently encountered caustic substance (89%).
  • (17) The indication for esophageal replacement was atresia in 92 children and intractable stricture (peptic, caustic, or congenital) in 20.
  • (18) In order to examine the injuries and functional abnormalities of these sites following caustic ingestion, the records of The Johns Hopkins Swallowing Center were reviewed.
  • (19) Afterwards, in a sign that she has not yet lost her caustic side, Sobchak wrote in her Tatler column: "Bozhena equally suffers for the fate of her motherland as for the fate of her fur coats."
  • (20) Roy Keane’s most outspoken attack on Sir Alex Ferguson branched out into caustic criticisms of José Mourinho as he branded the Chelsea’s manager conduct “disgraceful” and explained why he refused to shake his hand towards the end of Aston Villa’s recent match at Stamford Bridge .

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