(n.) One of the two double-pointed teeth which intervene between the canines (cuspids) and the molars, on each side of each jaw. See Tooth, n.
Example Sentences:
(1) Operative intervention showed a dysplastic bicuspid aortic valve with a membrane that covered the left coronary ostium.
(2) In the remainder a wide spectrum of abnormalities was found such as prolapse of the mitral valve (in 13.6%), bicuspid aortal valve with a medium regurgitation (4.5%), hypoplasia of the coronary cusp of the aortal valve (4.5%), dilatation of the ascending aorta with a residual significant stenosis at the site after operation of coarctation of the thoracic aorta (4.5%), subaortal defect of the interventricular septum (4.5%) and slight left ventricular hypertrophy in patients with arterial hypertension (9.1%).
(3) A 25 year old female with bicuspid aortic valve and aortic stenosis developed infectious endocarditis due to beta hemolytic streptococcus.
(4) Five patients with bicuspid aortic valves showed mitral valve diastolic flutter indicative of aortic regurgitation.
(5) A 23-year-old Japanese male with no evidence of previous heart disease was presented with bicuspid aortic valve and a life threatening acute aortic regurgitation due to subacute bacterial endocarditis.
(6) The mesiobuccal site on the first molar was compared to the mesiopalatal and direct buccal sites on the molar and the distobuccal site on the second bicuspid.
(7) The infection was associated with Fallot's tetralogy in 10 patients (17%), ventricular septal defect in 7 (4%), bicuspid aortic valve in 7 (16%), coarctation of the aorta in 6 (8%), atrial septal defects in 2 (1%), and patent ductus arteriosus and pulmonary artery branch stenosis in 1 patient each.
(8) After three days (baseline), marginal periodontitis was induced by tying silk ligatures at the gingival margins of maxillary and mandibular bicuspids and molars.
(9) This work shows the results of mechanical strength tests effected over first superior bicuspids before endodontically treated.
(10) The congenital bicuspid aortic valves usually become stenotic with severe calcification or regurgitant due to infective endocarditis (IE).
(11) The maxillary first molar--second bicuspid region was studied in patients with gingivitis and periodontitis.
(12) A case with a firm asymptomatic nodule of 1 cm diameter on the gingiva between the left upper cuspid and first bicuspid is presented.
(13) The idea of that early treatment, functional appliances, upper molar and bicuspids distal movements, upper sagittal suture opening and other proceedings, reduce extraction practice is widely extended.
(14) After surgical scaling and root planing of eight bicuspid teeth, the apical end of the pockets was estimated using an occlusal stent and a periodontal probe, then marked with a blade.
(15) The analysis of the scannograms obtained demonstrates that the valves of the thoracic ducts are mainly bicuspid, have a typical infundibular form, their cuspides are fused, forming a mesentery-like fold on the duct wall.
(16) Under the oblique loading, by the mesial apex of bicuspid are borne the tensile stress and compress stress, the latter is larger than the former, and the sigma 2 is -75.0.
(17) Congenital bicuspid aortic valve is a risk factor of aortic dissection, but the case is rare in Japan.
(18) The association of this anomaly with a bicuspid aortic valve has not been emphasized and the possible clinical consequences of this combination of malformations have not been described.
(19) One case was associated with bicuspid aortic valve and another with organic aortic stenosis.
(20) A high absolute prevalence of bicuspid aortic valve (17.5%) and aortic coarctation (12.5%) were observed relative to comparable series.
Cusp
Definition:
(n.) A triangular protection from the intrados of an arch, or from an inner curve of tracery.
(n.) The beginning or first entrance of any house in the calculations of nativities, etc.
(n.) The point or horn of the crescent moon or other crescent-shaped luminary.
(n.) A multiple point of a curve at which two or more branches of the curve have a common tangent.
(n.) A prominence or point, especially on the crown of a tooth.
(n.) A sharp and rigid point.
(v. t.) To furnish with a cusp or cusps.
Example Sentences:
(1) But at least one customer signalled that America's gun lobby might be on the cusp of a moment of introspection.
(2) Multiple determination of size, shape, and diameter of the left atrium were made during the control state and under conditions of varied ventricular outflow resistance in intact anesthetized dogs with markers chronically attached to the mitral annulus and the valve cusps.
(3) The edge of the valve leaflet and the other 2 cusps were intact.
(4) However, the height of the hypoconid, which was the highest in the lower molar cusps, showed almost the same mean value as the height of the upper three principal cusps, indicating that the height of the main functional cusp, in both upper and lower first molars, was almost the same.
(5) In lower second deciduous molars, the buccal margin of the cavity was positioned 1.7 mm medially to the summit of the distobuccal cusp and 1.2-1.3 mm medially to the summits of the other buccal cusps.
(6) A high origin of the right coronary artery or location of the left coronary artery adjacent to a pulmonary cusp or branch may complicate the tunnel-type repair.
(7) In the remainder a wide spectrum of abnormalities was found such as prolapse of the mitral valve (in 13.6%), bicuspid aortal valve with a medium regurgitation (4.5%), hypoplasia of the coronary cusp of the aortal valve (4.5%), dilatation of the ascending aorta with a residual significant stenosis at the site after operation of coarctation of the thoracic aorta (4.5%), subaortal defect of the interventricular septum (4.5%) and slight left ventricular hypertrophy in patients with arterial hypertension (9.1%).
(8) The ruptures and calcifications of the cusps were most commonly observed in commissure.
(9) The commonest cause of failure in young patients was calcification, while in older patients it was cusp rupture.
(10) The results indicate that the tongue-to-teeth contact area of each sound differ from the others, however, it's range is confined within cervical half of lingual surface of incisors and lingual cusps of molars.
(11) In the light of experience acquired in our Echocardiography Laboratory, we recommend, in accordance with data from the literature, the exclusive use of pulsed Doppler and measurement of valve orifices by two-dimensional imaging at the point of insertion of the aortic and sigmoid cusps as well as at the mitral ring.
(12) In 9 of 21 rats a fair or good result was observed, although it did not seem possible to create a fully competent valve with only one cusp blade in the 1.5-mm-diam caval veins.
(13) He underwent single cusp replacement in January 1967.
(14) Then the graft was cut longitudinally on the side of the non-coronary cusp so as to make operative procedure easier.
(15) Destruction of the cusps was seen in three cases and calcification of the cusps developed in three cases.
(16) In a small number of cases, the amount and type of cuspal movement and the degree of dye penetration was variable, depending on cavity design and the composite used, but generally cusp movement was unaffected by variation in cavity outline.
(17) Cardiac ultrasonography demonstrated multiple, central diastolic aortic valve cusp echoes consistent with a thickened, calcified, tricuspid aortic valve.
(18) In conclusion, transesophageal echocardiography and color flow Doppler are superior to transthoracic imaging in estimating bioprosthetic mitral, but not aortic regurgitation, in differentiating valvular from paravalvular regurgitation, and in demonstrating thickened valves due to cusp degeneration.
(19) The valve was composed of 4 cusps of different size and shape.
(20) In conclusion, TAV occurred more frequently at the noncoronary cusp than at the right or left coronary cusp.