What's the difference between chamfer and relief?

Chamfer


Definition:

  • (n.) The surface formed by cutting away the arris, or angle, formed by two faces of a piece of timber, stone, etc.
  • (v. t.) To cut a furrow in, as in a column; to groove; to channel; to flute.
  • (v. t.) To make a chamfer on.

Example Sentences:

  • (1) Somehow, everything we produced had a decidedly 1970s feel, a look formed by both the number of chamfered blocks in the set, and the inescapable desire to make everything symmetrical as you stack floor upon floor.
  • (2) Although the dentin bonding agents tend to accumulate on chamfers, thereby increasing their thickness to 200-300 microns, the method looks promising as a simple way to protect the pulp from the consequences of microleakage.
  • (3) A chamfer with a bevel, a shoulder with a bevel, or chamfer preparations are not suited to this technique.
  • (4) The crown margin designs taught most often were the flat shoulder, the 45-degree bevel shoulder, and the chamfer.
  • (5) This study evaluated chamfered and beveled preparations for Class IV restorations of lesions with microfilled and macrofilled composite resin.
  • (6) Serial radiographic analyses demonstrate progressive narrowing of all of the chamfered cylinder design and less in hemispherical design with screw fixation.
  • (7) This study tested three different types of crown margin preparations--a chamfer, a shoulder, and a shoulder plus a bevel to determine whether or not the margin preparation could affect microleakage.
  • (8) Facial and lingual chamfer margins were placed in enamel, mesial and distal in dentin and cementum, and castings were made in Rexillium III alloy and were then cemented with a standardized technique.
  • (9) This study indicated that the resin bonded cast fixed partial denture with the lingual chamfer margin and mesial rest was the design to be chosen.
  • (10) Group I consisted of 43 restorations placed without any tooth preparation; Group II consisted of 72 restorations placed using a chamfer preparation.
  • (11) The margin designs were rounded-shoulder, rounded-shoulder with a bevel, and a chamfer.
  • (12) On the acetabular side, both the cementless hemispherical with screw-type adjuvant fixation, or the chamfered cylinder designs, used primarily with the UCLA porous surface replacements, but also with stem-type devices, appear to achieve best short-term results, while the entire variety of screw rings are disappointing.
  • (13) With 76 different types of Lego bricks scattered across the table, from flat baseplates to chamfered wedge-shaped blocks and lots of tiny pieces with nipples and sockets sprouting in all directions, the challenge was to know where to begin.
  • (14) These included the use of thin metal copings (0.1 and 0.2 mm), a chamfer preparation, an alloy with relatively poor creep resistance, and a large thermal contraction mismatch between the alloy and porcelain layers.
  • (15) The accepted marginal design indicated by manufacturers for ceramic jacket crowns is the 90 degrees full shoulder with a rounded gingival-axial line angle or a deep chamfer.
  • (16) The weakest restorations were observed when a 0.8-mm chamfer finish line (66.8 kg) was used.
  • (17) Seventy extracted intact, non-carious maxillary central incisors, of approximately the same size, were collected and randomly divided into the following seven groups: 90 degrees butt joint (control)), 1 and 2 mm 45 degrees bevels, 1 and 2 mm 60 degrees bevels, and 1 and 2 mm chamfer margins.
  • (18) There was no significant difference in marginal fit between the shoulder and the chamfer configuration in every luting material examined.
  • (19) The coping and crown dimensions were based on a prepared maxillary central incisor with a facial shoulder and a lingual chamfer.
  • (20) The experiments were conducted in the following manner: Ten pieces of full cast crowns were constructed by a conventional procedure with 12% Au-Ag-Pd alloy and each test-piece was cemented alternately by zinc phosphate cement on a master die (stainless steel) with a chamfer margin.

Relief


Definition:

  • (n.) The act of relieving, or the state of being relieved; the removal, or partial removal, of any evil, or of anything oppressive or burdensome, by which some ease is obtained; succor; alleviation; comfort; ease; redress.
  • (n.) Release from a post, or from the performance of duty, by the intervention of others, by discharge, or by relay; as, a relief of a sentry.
  • (n.) That which removes or lessens evil, pain, discomfort, uneasiness, etc.; that which gives succor, aid, or comfort; also, the person who relieves from performance of duty by taking the place of another; a relay.
  • (n.) A fine or composition which the heir of a deceased tenant paid to the lord for the privilege of taking up the estate, which, on strict feudal principles, had lapsed or fallen to the lord on the death of the tenant.
  • (n.) The projection of a figure above the ground or plane on which it is formed.
  • (n.) The appearance of projection given by shading, shadow, etc., to any figure.
  • (n.) The height to which works are raised above the bottom of the ditch.
  • (n.) The elevations and surface undulations of a country.

Example Sentences:

  • (1) There was prompt symptomatic relief and amelioration of signs of nephritis.
  • (2) "And in my judgment, when the balance is struck, the factors for granting relief in this case easily outweigh the factors against.
  • (3) We studied the effect of low-dose intrathecal morphine (0.00-0.20 mg) on pain relief and the incidence of side effects after cholecystectomy in 139 patients divided into eight groups according to intrathecal morphine dose: groups 1 (0.00 mg), 2 (0.04 mg), 3 (0.06 mg), 4 (0.08 mg), 5 (0.10 mg), 6 (0.12 mg), 7 (0.15 mg), and 8 (0.20 mg).
  • (4) During the treatment phase we found a complete relief of symptoms in 6 (27%), a partial relief of symptoms in 6 (27%), and some relief of symptoms in 12 (54%) in group 2.
  • (5) Among patients in whom the neuroma had been operated on once previously (first recurrence group), 88% achieved good to excellent pain relief with the technique described in this article.
  • (6) The improvement in the two groups of patients was statistically comparable to the relief of pain and the over-all restoration of function.
  • (7) All four active treatment groups also experienced significantly more relief of pelvic-abdominal pain compared with placebo: piroxicam 40 mg for two days followed by three days of 20 mg (p = 0.002), piroxicam 40 mg for one day followed by four days of 20 mg (p = 0.023), piroxicam 20 mg for five days (p = 0.012), and ibuprofen (p = 0.011).
  • (8) Martin O’Neill spoke of his satisfaction at the Republic of Ireland’s score draw in the first leg of their Euro 2016 play-off against Bosnia-Herzegovina – and of his relief that the match was not abandoned despite the dense fog that descended in the second half and threatened to turn the game into a farce.
  • (9) The plasma zinc level was significantly lower at the time of onset of zinc deficiency than in normal subjects, before the procedure of TPN, or at the time of symptomatic relief achieved by administration of zinc.
  • (10) BPV provides long-term relief of pulmonary valvular obstruction in the majority of patients.
  • (11) With a minimum review period of 6 months complete remission of synovitis was obtained in 20%, while 63% gained symptomatic relief, with some reduction of synovitis.
  • (12) An integrated approach to the surgical management of diffuse subaortic stenosis has been designed to provide adequate relief of left ventricular outflow tract obstruction whatever the anatomical features encountered at operation.
  • (13) The BBA statistics director, David Dooks, said: "It was no surprise to see the January mortgage figures falling back from December, when transactions were being pushed through to beat the end of stamp duty relief.
  • (14) Percutaneous transluminal coronary angioplasty (PTCA) is recognized as an effective therapeutic procedure for nonsurgical relief of critical coronary stenosis.
  • (15) It was a moment’s relief in what is becoming an endless trudge on the road to recovery.
  • (16) Hence, they self-administer opioids for pain relief with PCA according to their expectations.
  • (17) Arsenal’s 10 men fall at the first hurdle against Dinamo Zagreb Read more This win, even against such feeble opponents, was celebrated, with the locals chorusing their manager’s name amid a wave of relief given so much of the team’s domestic campaign to date has been dismal.
  • (18) Its complete removal results in dramatic relief of proptosis.
  • (19) Deficiency in polyunsaturated fatty acids was not found in erythrocyte membranes under conditions of the relief-diet therapy course used.
  • (20) From this information, it would appear that it is possible that the mechanism for the prolonged effect of acupuncture in treating chronic pain is that the repeated activation of the physiological systems by which acupuncture inhibits pain, by the repeated acupuncture treatments, trains the body to continue this activity and thereby maintains the pain relief for a period of time after the last treatment.