What's the difference between maxillary and premaxilla?
Maxillary
Definition:
(a.) Pertaining to either the upper or the lower jaw, but now usually applied to the upper jaw only.
(n.) The principal maxillary bone; the maxilla.
(n.) Of or pertaining to a maxilla.
Example Sentences:
(1) CT scan revealed a small calcified mass in the right maxillary sinus.
(2) This article presents the case of bilateral absent maxillary permanent molars with severe oligodontia and no other abnormalities.
(3) Drainage of contrast medium from the maxillary sinus during blowing and sniffing was studied by cine-roentgenography in 11 healthy subjects.
(4) Separation and recombination experiments, employing a variety of tissue configurations in organ culture, were performed to determine the extent to which the epithelium of the maxillary process influences the viability of the underlying mesenchyme during organogenesis.
(5) The effects of maxillary protracting bow appliance were the maxillary forward movement associated with counter-clockwise rotation of the nasal floor and the mandibular backward movement associated with clockwise rotation.
(6) Neurons with receptive fields confined to the maxillary division of the trigeminal innervation field are found within a ring of cortex which a) completely surrounds the representation of the ophthalmic field, and b) includes parts of cytoarchitectural area 2, 1, 3, and 3a.
(7) Adjustment of posterior arch width and dental alignment, using semi-rapid maxillary expansion by means of an upper removable appliance, to co-ordinate the anticipated positions for the arches.
(8) Maxillary and mandibular incisors and premolars of three rhesus monkeys were used.
(9) A case history is presented of a 10-year-old patient, who accidentally injured her maxillary central incisor.
(10) The results suggest that there is a general tendency for tooth mortality to be lower in the present survey and this change is particularly noticeable for maxillary incisor and canine teeth.
(11) Epistaxis was common in tumors of the ethmoid sinus and nasal fossae, while pain was related to lesions of the maxillary sinus.
(12) An infant with a complete unilateral cleft of the lip and palate underwent maxillary expansion treatment using an oral orthopedic appliance.
(13) In order to achieve palatal closure with the least possible impediment to maxillary growth, the two-stage repair seems to be the best procedure in our hands.
(14) This is done by scoring the septal cartilage in its basal attachment to the maxillary crest, providing a "swinging door" which can be sutured finally as desired.
(15) Secretion rate and electrolyte concentrations (Na+, K+ and Cl-) in the lacrimal fluid samples were determined before and after injections of small doses of prostaglandins (PGE1, PGE2, PGF1 alpha, PGF2 alpha, 15 epi-PGF2 alpha, PGF2 beta, PGA1 & PGA2) into the external maxillary artery.
(16) A case of extramedullary maxillary sinus plasmocytoma a 39-year-old man is described.
(17) A radiopaque impression material can be used so that the radiographic outline of the maxillary sinus on standard radiographic projections can be shown.
(18) The authors describe a rare case of mucocele of maxillary sinus and, on the basis of the histological and namely of the ultrastructural findings, they maintain that the mucocele has in all probability a multiple pathogenesis being dependent not only on the inflammatory processes, but also on other local predisposing factors and namely the active participation of the mucosa in the formation of the cavity of mucocele.
(19) The cause is considered being an unsufficient antibiotical treatment of maxillary sinusitis.
(20) Although X-ray studies in many of the patients revealed mucosal swelling four weeks after surgery, the maxillary sinuses were well aerated 8 weeks after operation.
Premaxilla
Definition:
(n.) A bone on either side of the middle line between the nose and mouth, forming the anterior part of each half of the upper jawbone; the intermaxilla. In man the premaxillae become united and form the incisor part of the maxillary bone.
Example Sentences:
(1) A 6-month-old Appaloosa colt had a deviation of the premaxilla and nasal septum as well as a dorsal hump of the nasal bone and maxillomandibular malocclusion.
(2) Growth of the lower anterior teeth and alveolar bone compensated for the incremental vertical spaces which were induced by superior displacement of the premaxilla and inferior repositioning of the chin.
(3) In addition, the amount of anterior displacement of the upper and lower anterior teeth were significantly larger than that of the premaxilla and the chin.
(4) Certain mammal-like reptiles illustrate stages in the development of the palate in which the shelves projecting medially from each premaxilla and maxilla do not meet in the midline.
(5) From this epoch onwards it was demonstrated that the human premaxilla had a specific development not corresponding to that of other mammals, in whom the suture between the pre- and post- maxilla is active and participates in the sagittal, transversal and vertical growth of the maxilla.
(6) Growth between the vomer and premaxilla was recorded in every case, with growth being especially marked during the first year of life.
(7) A 2-mm non-healing bony defect was prepared in the premaxilla of male Wistar rats weighing about 180 g as a simulation of an alveolar cleft, for determination of whether a pulsing electromagnetic field (PEMF) could promote regeneration of bone induced by demineralized bone matrix (DBM).
(8) It was stated that in examined animals the pair premaxilla was divided into three parts: corps, palate and frontal process.
(9) Patterns of collapsed alveolar arch in BCLP patients were classified according to the amount of horizontal displacement of the premaxilla into the following 4 types; type A (larger displacement towards the inside), type B (moderate or smaller displacement towards the inside), type C (moderate or smaller displacement towards the outside) and type D (larger displacement towards the outside).
(10) Preservation of the anterior inferior cartilaginous septum and the maxillary crest and spine is mandatory in order not to disturb the nasal growth pattern of the nose and premaxilla.
(11) Rates of growth of the premaxilla in baboons, which have undergone removal of the nasal septum, and unoperated controls are compared using X-ray cephalometric analysis and direct measures.
(12) the horizontal part of the palatine bone, the palatal process of maxilla and the palatal part of premaxilla, increase markedly in length, but with individual differences in growth rate.
(13) The premaxilla grows the most, while the palatal bone grows the least.
(14) In order to examine cell activity within different regions of the suture, each premaxilla was divided into three geographic areas.
(15) From the present study, it is concluded that supernumerary teeth in the premaxilla may cause pathological conditions.
(16) The "bands" which Simon Arzt created to bridge the clefts and pull back the premaxilla are almost certainly the origin of the term "Simonart's(s')(z') band.
(17) A section of the premaxilla was removed in 95 young leopard frogs.
(18) To elucidate the role that the Cottle premaxilla approach septoplasty play in the long term result, an operation using this technique was done in the growing cat, but no nasal packing nor stenting was applied.
(19) The etiology is discussed in relation to the development of the premaxilla and the appearance of a secondary external trabecular network of bone in the canine region.
(20) Our results thus suggest an involvement of the incisor tooth bud and the infra-orbital nerve in the initial osteogenesis of the premaxilla and maxilla.