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Topic: Incisor

  Incisor - Wikipedia, the free encyclopedia
Incisors are the first kind of tooth in heterodont mammals.
In cats, the incisors are small and do not do much; biting off meat is done with the canines and the carnassials.
The incisors of rodents grow throughout life and are worn by gnawing.
en.wikipedia.org /wiki/Incisor   (126 words)

 Incisor -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-11-07)
In (Five-toed pachyderm) elephants, the upper incisors are modified into (A long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog) tusks.
The incisors of (Relatively small gnawing animals having a single pair of constantly growing incisor teeth specialized for gnawing) rodents grow throughout life and are worn by gnawing.
The (Relatively small gnawing animals having a single pair of constantly growing incisor teeth specialized for gnawing) rodents have four; (Relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing) lagomorphs were once thought to be rodents, but are distinguished by having eight.
www.absoluteastronomy.com /encyclopedia/i/in/incisor.htm   (272 words)

 C-Shaped Incisor - Carlos Bóveda Z. - Endodontics - Caracas, Venezuela
The fact that the maxillary lateral incisors generally present a single root and a single canal led in the past to the belief that this is the only anatomical possibility.
The present case report describes the endodontic treatment of an invaginated maxillary left lateral incisor with 3 canals, 1 of which was a C-shaped canal.
Clinical examination revealed the maxillary left lateral incisor to have an unusually shaped, extremely round crown with a small cusp emerging from the incisal border.
www.carlosboveda.com /Odontologosfolder/incc/cshapedincisor.htm   (1464 words)

 Differential expression of laminin-5 subunits during incisor and molar development in the mouse   (Site not responding. Last check: 2007-11-07)
Similar patterns of transcription were observed in incisor and molar, suggesting that the differential expression of laminin-5 subunits in the IDE might be involved in the histogenesis of the IDE and ameloblast differentiation.
Throughout incisor development, intense expression for all laminin-5 subunits was restricted to the labial side of the cervical loop.
The asymmetrical expression of laminin-5 might be related to incisor morphogenesis and to the differences in histogenesis and cytodifferentiation of the IDE that exist in the labial versus lingual aspect of the cervical loop.
www.ijdb.ehu.es /abstract.0003/a337.htm   (315 words)

 BSE Information
Incisor teeth are found in the rostral portion of the mouth, but they are absent from the upper jaw.
Canine teeth are absent in cattle, unless the fourth incisor (I 4), or corner incisor, is considered to be a canine tooth.
The I 1 incisors are identified by the white arrows and I 2 incisors by the red arrows in photographs 10a and 10b.
www.fsis.usda.gov /ofo/tsc/bse_information.htm   (1895 words)

 Single median maxillary central incisor, SMMCI. —Pathogenesis and phenotypic characteristics   (Site not responding. Last check: 2007-11-07)
Objectives: A single median central incisor (SMMCI) is a rare condition and might be a sign of a mild degree of holoprosencephaly (1:16,000 live births).
Both incisors were symmetric according to the mid-axial plane.
A short nasal bone, a short anterior cranial base, a short retrognathic and posteriorly inclined maxilla, a retrognathic and posteriorly inclined mandible, and deviant morphology of the sella turcica were found.
iadr.confex.com /iadr/2004Hawaii/techprogram/abstract_43524.htm   (334 words)

 Untitled Document   (Site not responding. Last check: 2007-11-07)
Canids and hyaenids have robust incisors in parabolic arcades, whereas felid incisors are weaker, particularly in mediolateral bending, and are located in transversely linear arcades.
Incisors in linear arcades can be weaker because they are better buttressed by adjacent incisors than is the case for incisors in curved arcades.
The upper incisors of saber- toothed felids tend to equal or exceed those of living (conical-toothed) felids in strength and are located in moderately parabolic arcades.
www.vertpaleo.org /jvp/16-510-521.html   (337 words)

 Composite resin restoration   (Site not responding. Last check: 2007-11-07)
A peg-shaped lateral incisor could be defined as a tooth with reduced mesio-distal diameter and with proximal surfaces converging markedly in the incisal direction (1).
The inheritance of peg-shapped upper lateral incisors has been rather commonly assumed to be associated with the genetic mechanism that causes the missing of upper lateral incisors (1).
There are two treatment options for malformed lateral incisors: 1) to move the maxillary canines forward and reshape them to simulate the extracted malformed lateral incisors; 2) to stand the canines in a Class I relationship and to restore the missing tooth structure by increasing the size of a peg-shaped lateral incisor (10).
www.arabmedmag.com /issue-30-09-2004/dentistry/main02.htm   (1943 words)

Maxillary incisors by definition arise in the premaxilla (which is merged into the maxilla in humans); mandibular incisors are the teeth that articulate with them.
Facial: The mandibular central incisor is the smallest tooth in the dental arch.
The largest incisors are the tusks of elephants and their extinct relatives, the mammoth and mastodon which died out at the end of the last Ice Age.
forensicdentistryonline.org /Tooth_morphology/adult_incisor_morph.htm   (1418 words)

Human incisors have thin, blade-like crowns which are adapted for the cutting and shearing of food.
The Hutchinson incisor is a malformation due to congenital syphilis in utero.
In the animal kingdom, incisors have a variety of functions, such as fur combing in lemurs, tree chopping in certain rodents, and meat stripping in the carnivores.
www.forensicdentistryonline.org /Tooth_morphology/adult_incisor_morph.htm   (1418 words)

 Porcelain laminates Correcting canines in the lateral incisor position
The tissue position normally will be higher than that of a lateral incisor, due to the larger facial contours of the canine; and the bone will be more prominent over the root structure, due to its longer and larger dimensions.
Since her orthodontist had moved the canines into the position of the lateral incisors that were congenitally missing, the first premolars now were in the place that the canines should be.
Note that the height of the tissue above "lateral incisors" is higher than normal, due to the prominence of the canine root.
www.dentalproducts.net /xml/display.asp?file=1975   (1365 words)

 BDJ | An easy way of intruding an upper central incisor
On intra-oral examination, it was found that the incisal edge of her upper left central incisor was positioned 0.5 mm lower than that of her upper right incisor (Fig.
For retention, a piece of multistrand wire, as a fixed retainer, was adapted to the lingual surfaces of the upper incisors and bonded using a light-curable adhesive resin.
In this case, there already was a slight gingival discrepancy between the upper central incisors at the beginning of the orthodontic treatment and this discrepancy had become more apparent at the end of the active orthodontic treatment.
www.nature.com /cgi-taf/dynapage.taf?file=/bdj/journal/v197/n9/full/4811801a.html   (1414 words)

Paleontologists at the Smithsonian Institute were understandably critical of the human status of the fossil tooth and concluded after examination that it was a tooth from a class of fossil ganoid fish known as pycnodonts, possibly Sargodon.
I first showed the tooth to a dental histologist who concurred with the opinion of other dentists that the tooth grossly resembles a human deciduous maxillary incisor though he felt that the curvature of the cingulum was unusually prominent compared to that of most human teeth.
He even stated that the crown of the tooth has a strong similarity to the upper deciduous incisor of man! He also described facets on the lingual surface of the teeth near the incisal edge but these were more punctuate in his specimen.
www.skepticfiles.org /evolut/fostooth.htm   (1849 words)

 Team Yacht - incisor   (Site not responding. Last check: 2007-11-07)
INCISOR of Wight is a highly specified Grand Prix Ocean Racing Yacht with an impressive pedigree and an equally impressive history of winning Offshore as well as Inshore races.
Incisor is a campaign vessel and is ideally suited to a season long campaign, such as the 2005 Fastnet.
Incisor's is rated under both IRM and IRC systems which make her a truly competitive race winning yacht.
www.team-yacht.com /incisor.htm   (237 words)

This study evaluates the correlation of the distance between the lateral borders of the upper central incisors and the distance between the tori tubarius in the nasopharynx.
During the operation, the distance between the central upper incisors was measured in millimeters, as was the inter-tubarius width (ITW).
The distance between the lateral borders of the upper central incisors predicts the distance between the tori tubarius in the nasopharynx.
www.annals.com /abs/annals848.htm   (245 words)

 Dental Terminology - DentalVet.com
Anterior teeth –; The canine and incisor teeth.
Apical delta – The diverging branches of the root canal at the apical end of the tooth root.
Open bite - The failure of the upper and lower incisors to contact each other when the mouth is closed.
www.dentalvet.com /Encyclopedia/P00352_SC01112.htm   (1761 words)

 Oral Pathology
Extraction should not be considered until the permanent incisors have erupted to the level of the occlusal plane.
Only the mandibular incisors are not affected; presumably they were protected by the tongue during nursing.
In the young child the calculus is soft and chalky, usually in the mandibular incisor area.
www.columbia.edu /itc/hs/dental/d7710/files/oral_path.html   (1332 words)

 The Thylacoleo Remembrance - The Feeding Habits of Thylacoleo (page 2)
Among the three pairs of maxillary incisors, the first pair is enormous, curved and caniniform, meeting at the tips and exhibiting wear facets on their neighboring surfaces.
Wear occurs at the tip and upon the outer margin of the crown and an interdental facet is present on the contiguous incisor surfaces.
To attaining this position, the condyle is moved anteriorly on to the convexity of the glenoid fossa which permits contact of the incisor tips.
www.naturalworlds.org /thylacoleo/discovery/feeding_habits_2.htm   (1409 words)

 Dr. Fred Schudy: Late Mandibular Incisor Crowding   (Site not responding. Last check: 2007-11-07)
This is a commentary on the official bulletin of the American Association of Orthodontists entitled, "Late Mandibular Incisor Crowding," which was mailed to the membership May, 1999.
This discussion of the problem of lower incisor crowding is supposed to be comprehensive-the last word, the official opinion of the orthodontic profession.
Today, at age 60, even though her molars and bicuspids are full of restorations, her incisors are free of restorations.
www.vsbw.com /~schudyf/art52.html   (1309 words)

 Bicon Dental Implants | Case Sections
This case demonstrates the extraction of maxillary incisors and the surgical placement of four immediately functioning implants and their permanent restoration with Bicon Integrated Abutment Crowns™ in three clinical visits in a time period of 97 days.
Right maxillary lateral incisor osteotomy being enlarged while the surgeon's finger is monitoring the buccal bone.
It is essential that there be a passive contact to allow for the application of seating forces in the long axis of both the implant well and abutment post.
www.bicon.com /cases/LF.html   (1072 words)

 Universal dilator with expandable incisor - Patent 5697944
In the expanded configuration, the balloon is inflated and the blades are extended through the slits in the housing and the device is used as an incisor.
Another object of the present invention is to provide a surgical dilator tool with expandable incisors which keeps its incising blades covered, to protect against inadvertent incision of the vessel wall, during transit of the tool through an artery or vessel to the stenosis.
With the incisor configuration, a distal advancement of the device will cause the blades to make initial incisions into the stenosis to facilitate subsequent dilatation of the stenosis.
www.freepatentsonline.com /5697944.html   (3809 words)

Tusks are incisors or canines of continuous growth that protrude beyond the lips when the mouth is closed.
Incisors are maxillary teeth located in the premaxilla (or a comparable position in the maxilla as in humans).
The mandibular incisors are those teeth that articulate with the maxillary incisors.
www.uic.edu /classes/osci/osci590/2_4TerminologyInDentalAnthropology.htm   (780 words)

 Windward Sailing - INCISOR - CORBY 45
Although Incisor has been designed for optimum race performance she still offers a better level of accommodation than is normal for these high performance yachts.
Incisor is ideal for corporate sailing and race training.
Incisor's 2000 IRM rating will make her a truly competitive race winning yacht.
www.btinternet.com /~windwardsailing/incisor.htm   (128 words)

 PCSO Bulletin: Summer 2000 Dr. John Moore Lecture Summary   (Site not responding. Last check: 2007-11-07)
The decision to choose the single lower incisor extraction treatment option is based on facial balance, where extraction of premolars would have a negative effect, and when the amount of crowding in the mandibular arch is greater than that in the maxillary arch.
Triangular or bell shaped maxillary incisors are preferred as they are more favorable for interproximal stripping, which is almost always indicated to compensate for the tooth size discrepancy created with a single lower incisor extraction.
Labiolingual inclination of the maxillary and mandibular incisors
www.pcsortho.org /bulletin/00/bullsu00Moore.html   (980 words)

 Response of human jaw muscles to axial stimulation of the incisor -- Brinkworth et al. 547 (1): 233 -- The Journal of ...
This is the first study to investigate the reflex response of jaw muscles to mechanical stimulation of the human incisor in the axial direction under controlled conditions.
Since the bite force is measured from the lower bite bar this upward movement of the jaw would cause a small increase in the observed force and since this increase is time locked with the stimulus it would not be averaged out to zero.
Hence the reflex contribution of the PMRs may be altered depending on the tooth that is stimulated (incisor or molar), the movement or position of the jaw, and the stimulus parameters used such as rate of force application.
jp.physoc.org /cgi/content/full/547/1/233   (9393 words)

 Brazilian Dental Journal: Estrela et al: Radicular Grooves in Maxillary Lateral Incisor: Case Report
(1991) examined in vitro 500 maxillary central incisors and 421 maxillary lateral incisors and reported the presence of radicular grooves in 2% of the central incisors and 2.6% of the lateral incisors.
Pécora and Cruz Filho (1992) examined the incidence of radicular grooves in the upper incisors of 642 patients and found this morphologic defect in 3.9% of the patients.
The radicular grooves began on the lingual surface of the crown of the maxillary lateral incisors and extended to the root.
www.forp.usp.br /bdj/t1162.html   (843 words)

 Dorlands Medical Dictionary
central incisor,   first incisor,   the two incisor teeth (see under tooth) in each jaw which are located closer to the midline of the body.
shovel-shaped incisors,   large upper medial incisor teeth that are concave on the lingual side; called also hawk-bill i's.
winged incisor,   a rotation deformity of a maxillary incisor tooth in which the distal edge of the tooth protrudes labially.
www.mercksource.com /pp/us/cns/cns_hl_dorlands.jspzQzpgzEzzSzppdocszSzuszSzcommonzSzdorlandszSzdorlandzSzdmd_i_05zPzhtm   (3639 words)

Her smirk is somewhere between the promise of sex and the threat of pain.
Incisor's hand is glowing within a dark aura and growing reptilian claws.
The first arc would deal with the intro of Incisor, how she became what she is. The team moving to Boston, reforming after the events of “The Order”.
www.hotinks.com /writers.htm   (2714 words)

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