What's the difference between abutment and bridge?

Abutment


Definition:

  • (n.) State of abutting.
  • (n.) That on or against which a body abuts or presses
  • (n.) The solid part of a pier or wall, etc., which receives the thrust or lateral pressure of an arch, vault, or strut.
  • (n.) A fixed point or surface from which resistance or reaction is obtained, as the cylinder head of a steam engine, the fulcrum of a lever, etc.
  • (n.) In breech-loading firearms, the block behind the barrel which receives the pressure due to recoil.

Example Sentences:

  • (1) One abutment was used to evaluate each of nine oral hygiene instrumentation methods used for specified lengths of time or instrument strokes.
  • (2) During the study period, it was possible to maintain mean plaque index scores of 0.40 to 0.70 and mean gingival index scores of 0.90 to 0.98 adjacent to the abutments.
  • (3) Supragingival plaque samples from selected surfaces of two abutment teeth were taken at one week, and at one, three, and six months after initial insertion of the overdenture.
  • (4) The second technique is the fabrication of a cast post and core restoration that fits an abutment root as well as the existing crown of a four-unit fixed restoration.
  • (5) This technique allows an accurate cast to be made of a prepared abutment tooth with the removable partial denture in place in the mouth.
  • (6) The clinical results shown that, after twelve years of experience, the stress breaker framework allows the preservation of the abutments as well as the conservation of osseo-mucous tissues (no need of rebase).
  • (7) Capillaries and small arterioles or venules, ranging from 8-50 microns in diameter, showed perikarya and dendrites abutting the basement membrane without evidence of glial interposition.
  • (8) Complications that resulted in catheter malfunction included deposition of fibrin around the catheter tip (formation of a fibrin sheath) in 44 (57%) instances, a constricting suture in six, abutment of the catheter tip against the venous wall in eight, catheter leak in two, and migration of the catheter completely out of the vein in three.
  • (9) Two of these were used as abutments for partial dentures.
  • (10) All vessels were found in the typical retroesophageal location, abutting the esophagus from the vertebral C-7 to T-3 levels.
  • (11) Twenty-five extracted caries-free anterior teeth from patients aged 50-70 were prepared as overdenture abutments.
  • (12) 2 implants in the lower jaw showed some mobility at the abutment installation and were removed immediately.
  • (13) The abutment teeth next to the modification spaces were moderately restored with MOD or class II restorations on most of the teeth.
  • (14) The abutment tooth is then prepared, providing adequate clearance between the clasp assembly and the tooth preparation.
  • (15) The index improves visibility of the tooth and abutment cylinder relationship permitting the optimization of framework dimensions and contour.
  • (16) Self-curing resins enable the operator to prepare directly temporary prosthesis on single crown abutments.
  • (17) The avoidance of lateral forces on overdenture retainers is essential to prevent pathological change in the supporting tissues of the root abutment.
  • (18) In each hemicerebellum there is one zebrin II+ band abutting the midline (P1+), and two others laterally in the vermis (P2+, P3+).
  • (19) It was formed by electrolytic etching directly after the bonding surface of metal retainer was abraded, preparation of the axial grooves in the edentulous proximal surfaces of abutments, drying with compressed air and drying agent after enamel was acid etched and washed, bonding area was about 49 mm2 in each retainer and without using opaque agent between bonding agent and resin.
  • (20) In the implant fixed partial denture, stresses induced in the surrounding bone became higher around the posterior abutment and became lower around the premolar retainer than the stresses produced with the natural tooth fixed partial denture.

Bridge


Definition:

  • (n.) A structure, usually of wood, stone, brick, or iron, erected over a river or other water course, or over a chasm, railroad, etc., to make a passageway from one bank to the other.
  • (n.) Anything supported at the ends, which serves to keep some other thing from resting upon the object spanned, as in engraving, watchmaking, etc., or which forms a platform or staging over which something passes or is conveyed.
  • (n.) The small arch or bar at right angles to the strings of a violin, guitar, etc., serving of raise them and transmit their vibrations to the body of the instrument.
  • (n.) A device to measure the resistance of a wire or other conductor forming part of an electric circuit.
  • (n.) A low wall or vertical partition in the fire chamber of a furnace, for deflecting flame, etc.; -- usually called a bridge wall.
  • (v. t.) To build a bridge or bridges on or over; as, to bridge a river.
  • (v. t.) To open or make a passage, as by a bridge.
  • (v. t.) To find a way of getting over, as a difficulty; -- generally with over.

Example Sentences:

  • (1) The role of Ca2+ in cell agglutination may be either to activate the cell-surface dextran receptor or to form specific intercellular Ca2+ bridges.
  • (2) Data from cases with myocardial bridges show that both fatty streaks and raised lesions are seldom observed in the region distal to myocardial bridge.
  • (3) which suggest that ~60-90% of the cross-bridges attached in rigor are attached in relaxed fibers at an ionic strength of 20 mM and ~2-10% of this number of cross-bridges are attached in a relaxed fiber at an ionic strength of 170 mM.
  • (4) Terry Waite Chair, Benedict Birnberg Deputy chair, Antonio Ferrara CEO The Prisons Video Trust • If I want to build a bridge, I call in a firm of civil engineers who specialise in bridge-building.
  • (5) Brief digestion at neutral pH without reduction produced a molecule in which the Fab and Fc fragments were still linked by a pair of labile disulphide bridges, and the Fc fragment released by cleaving these bonds, called 1Fc fragment, contained a portion of the ;hinge' region including an interchain disulphide bridge.
  • (6) Acute coronary angiography showed myocardial bridging and total occlusion of the left anterior descending artery in the middle one-third of its course.
  • (7) These force-generators are identified with projections (cross-bridges) on the thick filament, each consisting of part of a myosin molecule.
  • (8) Segmental function was diminished an average of 67.8% in "noses" and 46.6% in "bridges".
  • (9) Gibbs was sent off in the first half at Stamford Bridge for handball, despite replays clearly showing it was his team-mate Alex Oxlade-Chamberlain who illegally deflected an Eden Hazard shot.
  • (10) Close van der Waals' contacts between the Cys22-Cys63 and Cys51-Cys75 disulfide bridges and the central hydrophobic core composed of the Trp25, Leu46, His48a and Trp62 side-chains are among the distinguishing features of the kringle 2 fold.
  • (11) The reactivity of the three disulphide bridges of insulin towards sodium sulphite was studied by amperometric titration of the liberated thiol groups.
  • (12) The cartilage of the concha is a valuable substitute of the bridge and the posterior wall of the external auditory conduct.
  • (13) It is shown from an analysis of the transient force responses observed after sudden changes in muscle length applied both at full and reduced overlap and during the rising phase of short tetani that these responses can be explained on the basis of varying numbers of cross bridges attached at the time of the length step.
  • (14) A two-lane, 400m bridge – funded by Jica, Japan's aid agency – coupled with simplified procedures agreed by Zambia and Zimbabwe have speeded up processing time.
  • (15) The dynamic properties of cross-bridge movement were investigated in glycerol-treated muscle fibers under various conditions by analyzing tension responses to two types of length change.
  • (16) The first problem facing Calderdale is sheep-rustling Happy Valley – filmed around Hebden Bridge, with its beautiful stone houses straight off the pages of the Guardian’s Lets Move To – may be filled with rolling hills and verdant pastures, but the reality of rural issues are harsh.
  • (17) It is suggested that a general manner of folding may be a common feature of the heterogeneous population of kappa-chains: one bridge which folds an invariable stretch of the chain, another bridge which folds a stretch that varies from protein to protein, and a bridge at the C-terminus which is the interchain link.
  • (18) 1-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-3-(2-chloroethyl)-3- nitrosourea hydrochloride (ACNU) causes chloroethylation of DNA strand followed by cross linking through an ethylene bridge.
  • (19) Optimal staining of antigen rich tissue, such as frozen sections, with the peroxidase antiperoxidase method required low antiserum concentrations apparently to minimize the binding of both antigen-binding fragments of the bridging antibody to the tissue bound antiserum.
  • (20) The results provided information on the energetics of actin-myosin-ligand states that occur in the portion of the cross-bridge cycle where MgATP binds to myosin.