What's the difference between abutting and surrounding?

Abutting


Definition:

  • (p. pr. & vb. n.) of Abut

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.

Surrounding


Definition:

  • (p. pr. & vb. n.) of Surround
  • (a.) Inclosing; encircling.
  • (n.) An encompassing.
  • (n.) The things which surround or environ; external or attending circumstances or conditions.

Example Sentences:

  • (1) Such was the mystique surrounding Rumsfeld's standing that an aide sought to clarify that he didn't stand all the time, like a horse.
  • (2) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
  • (3) It was hypothesized that compensatory restraining influences of surrounding soft tissues prevented a more severe facial malformation from occurring.
  • (4) Their receptive fields comprise a temporally and spatially linear mechanism (center plus antagonistic surround) that responds to relatively low spatial frequency stimuli, and a temporally nonlinear mechanism, coextensive with the linear mechanism, that--though broad in extent--responds best to high spatial-frequency stimuli.
  • (5) "I was eight in 1983, but I remember a plane that flew low over our Bulawayo suburb and army loud-hailers screaming: 'You are surrounded.'
  • (6) The usefulness of the proposed method is obvious in cases where the composition of a precipitate on LM scale is to be compared with the LM appearance of the surrounding tissue.
  • (7) Degraded visual acuity had a significant effect on cadence, foot placement, and foot clearance, but visual surround conditions did not.
  • (8) Computed tomography does not allow differentiation between these lesions and surrounding normal tissues.
  • (9) The efficacy of the process is dependent on immersion medium, while the degree of surrounding tissue damage is dependent on energy dose.
  • (10) In cat, DARPP-32-immunoreactive cell bodies identified as Müller cells were demonstrated in the inner nuclear layer (INL) with processes closely surrounding the cell soma of photoreceptors in the outer nuclear layer.
  • (11) In the univariate life-table analysis, recurrence-free survival was significantly related to age, pTNM category, tumour size, presence of certain growth patterns, tumour necrosis, tumour infiltration in surrounding thyroid tissue and thyroid gland capsule, lymph node metastases, presence of extra-nodal tumour growth and number of positive lymph nodes, whereas only tumour diameter, thyroid gland capsular infiltration and presence of extra-nodal tumour growth remained as significant prognostic factors in the multivariate analysis.
  • (12) Surrounding intact ipsilateral structures are more important for the recovery of some of the language functions, such as motor output and phonemic assembly, than homologous contralateral structures.
  • (13) The dual-probe system incorporates a central collimated probe for monitoring activity in the LV surrounded by an annular detector collimated in such a manner as to provide simultaneous real-time monitoring of the LV background activity.
  • (14) This technique is sensitive to the optical anisotropy within the muscle, including that due to intrinsic properties of the protein molecules as well as that due to the regular arrangement of proteins in the surrounding medium.
  • (15) Surrounding parenchyma may be partially compressed.
  • (16) The stage of a given malignancy, representing the degree of spread of the tumor to its local surroundings or distant sites, is the best predictor of long-term survival.
  • (17) At this stage of the observation period the labeling index was very low in surrounding liver, but still high in the gamma-glutamyltranspeptidase-positive areas.
  • (18) The third effect was a shift in center-surround balance towards a more dominant center.
  • (19) Although sound pressure levels are high, they are probably reduced before reaching the cochlea of the fetus because of the surrounding amniotic fluid and the fluid in the middle ear.
  • (20) Glial siphoning can distribute the potassium preferentially toward the blood vessels in the area, leading to an elevation in potassium concentration in the ECF surrounding the vascular smooth muscle of the arterioles.

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