What's the difference between extension and premolar?

Extension


Definition:

  • (v. t.) The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion.
  • (v. t.) That property of a body by which it occupies a portion of space.
  • (v. t.) Capacity of a concept or general term to include a greater or smaller number of objects; -- correlative of intension.
  • (v. t.) The operation of stretching a broken bone so as to bring the fragments into the same straight line.
  • (v. t.) The straightening of a limb, in distinction from flexion.
  • (v. t.) A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.

Example Sentences:

  • (1) If ascorbic acid was omitted from the culture medium, the extensive new connective tissue matrix was not produced.
  • (2) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
  • (3) Extensive studies during recent years have shown that the interaction between hormone and membrane-bound receptor can affect the receptor characteristics in at least two ways.
  • (4) During capillary growth when endothelial cells (EC) undergo extensive proliferation and migration and pericytes are scarce, hyaluronic acid (HA) levels are elevated.
  • (5) This method, which permits a more rapid formation of anastomoses, has been used to form Roux-en-Y jejunojejunostomies without extensive complications in six patients.
  • (6) The curve of mitoses peaked at the same time as that of TK activity but was only 68% as extensive.
  • (7) Our results show that large complex lipid bodies and extensive accumulations of glycogen are valuable indicators of a functionally suppressed chief cell in atrophic parathyroid glands.
  • (8) I hope I can play a major part in really highlighting the need for far more extensive family violence training within all organisations that deal with women and children, including the police and the department of human services,” Batty said.
  • (9) Mitoses of nuclei of myocytes of the left ventricle of the heart observed in two elderly people who had died of extensive relapsing infarction are described.
  • (10) When labelled long-chain fatty acids or glycerol were infused into the lactating goat, there was extensive transfer of radioactivity into milk in spite of the absence of net uptake of substrate by the mammary gland.
  • (11) Pint from £2.90 The Duke Of York With its smart greige interior, flagstone floor and extensive food menu (not tried), this newcomer feels like a gastropub.
  • (12) Extensive proliferation has been shown to accompany the de novo generation of LAK cytotoxicity.
  • (13) Extensive sequence homologies and other genetic features are shared with the related oncogenic virus, human papillomavirus type 16, especially in the major reading frames.
  • (14) Binding of I to plasma proteins was extensive but was less than that of 5-chlorosalicylic acid.
  • (15) It is a specific clinical picture with extensive soft tissue gas and swelling of the forearm.
  • (16) Comparisons of ICR locations were made between flexion and extension, between left and right limbs, and between living and dead dogs, using analysis of variance.
  • (17) Furthermore, the local interneurons make extensive efferent synaptic connections with unidentified neurons in the terminal medulla.
  • (18) Light microscopy of both apneics and snorers revealed mucous gland hypertrophy with ductal dilation and focal squamous metaplasia, disruption of muscle bundles by infiltrating mucous glands, focal atrophy of muscle fibers, and extensive edema of the lamina propria with vascular dilation.
  • (19) The mechanical forces involved in neurite extension have begun to be quantified, and interactions between the actin and microtubule systems are being further characterized.
  • (20) Concurrent with this change in the level of enforcement of RBT was an extensive publicity campaign, which warned drinking drivers of their increased risk of detection by RBT units.

Premolar


Definition:

  • (a.) Situated in front of the molar teeth.
  • (n.) An anterior molar tooth which has replaced a deciduous molar. See Tooth.

Example Sentences:

  • (1) Maxillary and mandibular incisors and premolars of three rhesus monkeys were used.
  • (2) Erosion was observed on all teeth, but was commonest on the upper incisors, canines and premolars, and severest on palatal surfaces.
  • (3) Sound (n = 28) and carious (n = 123) approximal surfaces of extracted premolars and molars were radiographed.
  • (4) Four weeks after replantation, a more than threefold increase in PBF was measured in premolars with two roots, while PBF in premolars with one root and incisors was consistently reduced to an average of 40% of the controls.
  • (5) Molarization and premolarization of anterior teeth have never been reported before.
  • (6) The mandible does tend to rotate in a counterclockwise manner following enucleation of four first premolars without appliance therapy.
  • (7) Eight cases were studied separately, since three showed bilateral congenital absence of the second premolar, three showed unilateral congenital absence of the second premolar on the affected side, and two had the first permanent molar extracted.
  • (8) A "sweep" bend was incorporated to avoid unwanted side effects at the second premolar.
  • (9) Furthermore, agenesis of incisors, canines and premolars ranges from 0.4% in controls to 1.3% in propositi having reduced ULI and 5.0% in propositi with two missing ULI.
  • (10) The aberrant gland appeared on a panoramic radiograph as a radiolucency judged to be a periapical lesion on the right mandibular second premolar.
  • (11) All premolars were extracted after 1 calendar month.
  • (12) The purpose of the present radiologic study was to establish prevalence and distribution of pulp stones in mandibular premolars and molars in skulls of Norwegian Samis.
  • (13) One hundred and eighty seven mandibular premolars taken from a Turkish population were examined in this study.
  • (14) Forty molar and premolar teeth had non-retentive cavities prepared and restored with amalgam using (1) copal varnish (control), (2) a pin, (3) Amalgambond or (4) Panavia-Ex.
  • (15) Bone biopsies should be taken in either the premolar or the molar region of mandibular bodies.
  • (16) An unusual case of Stafne's bone cavity which presented in the canine-premolar region of the mandible is presented.
  • (17) Spaces needing prosthetic closure are transferred to more posterior regions of the dental arch, usually in the premolar region.
  • (18) In a second series of analyses, the mean lead concentrations of both dental hard tissues of premolars and permanent molars of young individuals from Strasbourg, rural Alsace, and Mexico City were compared.
  • (19) Autotransplantation of mandibular first premolars to the incisor region is suggested as an approach in selected cases.
  • (20) The samples were collected from both an intact fissure and a fissure with brown-stained defective enamel surface of the premolars of the lower jaw.