What's the difference between dowel and pin?

Dowel


Definition:

  • (n.) A pin, or block, of wood or metal, fitting into holes in the abutting portions of two pieces, and being partly in one piece and partly in the other, to keep them in their proper relative position.
  • (n.) A piece of wood driven into a wall, so that other pieces may be nailed to it.
  • (v. t.) To fasten together by dowels; to furnish with dowels; as, a cooper dowels pieces for the head of a cask.

Example Sentences:

  • (1) Tooth fracture on failure occurred in seven out of ten Flexi-post-retained cores, while only three out of ten of the Para-post-retained cores and none of the Dentatus dowel-retained cores presented this unrepairable type of failure.
  • (2) Blocks of trials were made to the small dowel and to the large dowel.
  • (3) These modifications include the intraoperative threading of the standard cylindrical graft dowel (either autologous or heterologous) and the development of two new instruments designed to insert the graft into the intervertebral space.
  • (4) This suggested the most effective surgical treatment: Vetral clearance of disks, removal of prominences, and fusion of the three levels through the use of four bone dowels.
  • (5) Forty cast gold dowels and cores were made for four groups of dowel channels that had, respectively, 1 mm, 2 mm, 3 mm, and 1 mm with a 60-degree bevel (collar) of the remaining buccal dentin at the entrance of the canal.
  • (6) A total of 140 dowel samples were cast in Rexillium III and were divided into seven groups.
  • (7) In the past, because it has often been ignored that the bonding at the cement-dentin interface is weaker than that between the metal and cement, the true impact of surface configuration and cement thickness on the retention of dowels has never really been observed.
  • (8) The history of the nonlocking type of intracoronal semiprecision rest has been traced from its origins with Neurohr in 1930, up to its present use as the Thompson dowel rest.
  • (9) Coping designs for attachment overdentures must provide retention, resistance to rotation, and bulk when joined with the dowel and attachment, without negating the advantage of the reduced crown-root ratio.
  • (10) In blocked and control trials, the wrist moved with a single acceleration to the target dowel.
  • (11) The effect of cement type was significant only with tapered dowels.
  • (12) A silver plated die with a double dowelling technique is used.
  • (13) Arthrodesis that maintains normal contours of the foot, including its length and height, can be accomplished by the dowel technique described in this article.
  • (14) The margin of the crown and the dowel construction therefore were not at the same level.
  • (15) He backed those words with action, handing the 17-year-old Tom Davies and the 18-year-old Kieran Dowell full debuts in midfield and giving the under‑21s captain Jonjoe Kenny his first senior outing from the bench.
  • (16) 12 mm bone dowels are then driven into the holes, immediately stabilizing the segment.
  • (17) Immediate preparation of the dowel spaces had no effect on the apical seal.
  • (18) Targets were three-dimensional translucent dowels placed concentrically at 30 cm from the subject.
  • (19) The study also includes a comparison of root-resected teeth restored with root screws and composite cores versus those which had been restored with cast gold dowels, showing that both types of reconstruction had the same durability concerning the risk of root fractures or loss of retention.
  • (20) The use of paper matches is a simple and effective method for holding the dowel pin in the proper relation while the die stone portion of the cast is being poured.

Pin


Definition:

  • (v. t.) To peen.
  • (v. t.) To inclose; to confine; to pen; to pound.
  • (n.) A piece of wood, metal, etc., generally cylindrical, used for fastening separate articles together, or as a support by which one article may be suspended from another; a peg; a bolt.
  • (n.) Especially, a small, pointed and headed piece of brass or other wire (commonly tinned), largely used for fastening clothes, attaching papers, etc.
  • (n.) Hence, a thing of small value; a trifle.
  • (n.) That which resembles a pin in its form or use
  • (n.) A peg in musical instruments, for increasing or relaxing the tension of the strings.
  • (n.) A linchpin.
  • (n.) A rolling-pin.
  • (n.) A clothespin.
  • (n.) A short shaft, sometimes forming a bolt, a part of which serves as a journal.
  • (n.) The tenon of a dovetail joint.
  • (n.) One of a row of pegs in the side of an ancient drinking cup to mark how much each man should drink.
  • (n.) The bull's eye, or center, of a target; hence, the center.
  • (n.) Mood; humor.
  • (n.) Caligo. See Caligo.
  • (n.) An ornament, as a brooch or badge, fastened to the clothing by a pin; as, a Masonic pin.
  • (n.) The leg; as, to knock one off his pins.
  • (n.) To fasten with, or as with, a pin; to join; as, to pin a garment; to pin boards together.

Example Sentences:

  • (1) However, while the precise nature of the city’s dietary problems is hard to pin down, the picture regarding physical activity is much clearer.
  • (2) In difficult fractures we feel that change from external to internal fixation should be performed earlier; it makes early removal of the fixator pins possible and prevents the problems associated with prolonged use of fixator frames.
  • (3) The changes in nuclear morphology (karyometry) and DNA content in prostatic intraepithelial neoplasia (PIN) were analyzed on tissue sections.
  • (4) They had been pinning their hopes on Alan Johnson who has, in their eyes, the natural authority and ease of manner which Miliband has struggled to develop.
  • (5) During powder compaction on a Manesty Betapress, peak pressures, Pmax, are reached before the punches are vertically aligned with the centres of the upper and lower compression roll support pins.
  • (6) In the absence of boxes or grooves, pins markedly enhanced both retention and resistance.
  • (7) Small threaded pins do not cause femoral head rotation.
  • (8) A Charnley apparatus or turnbuckles placed between the pins on each side of the fracture provided the mechanical advantage for repositioning the fracture fragments and achieving rigid fixation during healing.
  • (9) Ankle arthrodesis treated by external fixation frequently results in complications from pin tract infections, loss of position, nonunion, and malunion.
  • (10) There were no cases of pin-track osteomyelitis, fractures through pintracks, or neurovascular damage from pin insertion.
  • (11) We discuss the indications for operative treatment and the technique of internal fixation with 3 resorbable pins.
  • (12) Major pin-tract infections are a potentially dangerous complication associated with the use of skeletal transfixation pins.
  • (13) The OECD pinned the blame for the disadvantage for girls in maths and science on low expectations among parents and teachers, as well as lack of self-confidence and what it called the ability to “think like a scientist” in answering problems.
  • (14) Retrograde intramedullary pinning was accomplished in all calves, using 2 (n = 4 calves) or 3 (n = 8 calves) pins.
  • (15) The defective pinF gene is suggested to hae the same origin as P-pin on e14 by the restriction map of the fragment cloned from a Pin+ transductant that was obtained in transduction from S. flexneri to E. coli delta pin.
  • (16) The document says that Sienna Miller suspected her mobile phone was not secure and changed it twice, but Mulcaire's handwritten notes show that he succeeded in obtaining the new number, account number, pin code and password for all three phones.
  • (17) The probe tip was a gold-plated pin, insulated from the saliva by soft wax.
  • (18) One hundred patients were treated with the Rydell four-flanged nail and 100 with the Gouffon pins.
  • (19) In AP and lateral radiographs of the hip, measurements are made of the cervicofemoral angles, the diameter of the femoral head and neck, and the distances from the central femoral neck axis to each pin.
  • (20) Subjective pain ratings of mucosal pin-prick decreased a surprisingly small degree after application of both solutions.

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