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kwic search for acid out of >500 occurrences
272943 occurrences (No.93 in the rank) during 5 years in the PubMed. [no cache]
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153) Implants with surface acid treatment undergo greater superficial changes in chemical composition than machined implants, that is, the greater the contact area of the implant with the substrate, the greater the oxide layer change.
* Relationship between the surface chemical composition of implants and contact with the substrate.
- The purpose of the study was to use scanning electron microscopy and energy dispersive x-ray spectrometry to assess possible morphologic and chemical changes after performing double-insertion and pullout tests of implants of different shapes and surface treatments. Four different types of implants were used-cylindrical machined-surface implants, cylindrical double-surface-treated porous implants, cylindrical surface-treated porous implants, and tapered surface-treated porous implants-representing a total of 32 screws. The implants were inserted into synthetic bone femurs, totaling 8 samples, before performing each insertion with standardized torque. After each pullout the implants were analyzed by scanning electron microscopy and energy dispersive x-ray spectrometry using a universal testing machine and magnified 35 times. No structural changes were detected on morphological surface characterization, only substrate accumulation. As for composition, there were concentration differences in the titanium, oxygen, and carbon elements. Implants with surface acid treatment undergo greater superficial changes in chemical composition than machined implants, that is, the greater the contact area of the implant with the substrate, the greater the oxide layer change. In addition, prior manipulation can alter the chemical composition of implants, typically to a greater degree in surface-treated implants.
=>1.酸っぱい, 2.辛辣な, 3.酸, 4.《俗語》麻薬, LSD
Overview of noun acid
The noun acid has 2 senses (first 1 from tagged texts)
1. (4) acid -- (any of various water-soluble compounds having a sour taste and capable of turning
litmus red and reacting with a base to form a salt)
2. acid, back breaker, battery-acid, dose, dot, Elvis, loony toons, Lucy in the sky with diamonds,
pane, superman, window pane, Zen -- (street name for lysergic acid diethylamide)
Overview of adj acid
The adj acid has 3 senses (first 1 from tagged texts)
1. (1) acerb, acerbic, acid, acrid, bitter, blistering, caustic, sulfurous, sulphurous, virulent,
vitriolic -- (harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a
barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering
criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a
sulfurous denunciation"; "a vitriolic critique")
2. acidic, acid, acidulent, acidulous -- (being sour to the taste)
3. acid -- (having the characteristics of an acid; "an acid reaction")
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