
	Where results make sense

Topic: Maxillary first premolar

	Effects of the Pendulum Appliance on the Dentofacial Complex
		Unilateral centroid points were constructed for the maxillary first and second molars and first premolar, using the midpoint of the crown's greatest mesiodistal diameter.
		The amount of horizontal movement of the molars, premolar, and central incisor was determined by superimposing tracings on the pterygoid vertical plane (PTV), and vertical movement by superimposing on the palatal plane (PP).
		Since the Nance button alone did not prevent anterior movement of the first premolars, additional methods of reinforcing anchorage may be necessary, including extraoral traction to the first molars, inclusion of the canines and incisors in the anchor unit by means of archwires, uprighting springs on the first premolars, and Class II elastics.
	www.godotnews.it /public/effects_of_the_pendulum.htm (1215 words)

	Dental Central Chapter 2 -- Fill In The Blanks
		The maxillary first premolar root canal is wider in the ________ direction.
		The longest cusp of the four major cusps on the permanent maxillary first molar is the ____________.
		The ___________ root is the largest of the roots on the permanent maxillary first molar.
	cwx.prenhall.com /bookbind/pubbooks/dental/chapter2/fillinblanks1/deluxe-content.html (273 words)

	Premolars; Questions (Site not responding. Last check: 2007-10-29)
		Pits in the occlusal surfaces of the maxillary first premolar are at the junction of the:
		the smallest lingual cusp of all the premolars.
		the occlusal surface of the mandibular first premolar is relatively large.
	dentistry.ouhsc.edu /intranet-Web/Courses/OCC8401/ReviewQuestions/Premolars/QuestionsPremolars.html (1477 words)

	Premolars (Site not responding. Last check: 2007-10-29)
		The mesial marginal ridges border the mesial groove, and the distal marginal ridge borders the distal groove.
		The single straight root of the mandibular first premolar is slightly shorter than the mandibular second premolar and a great deal shorter than the root of the mandibular canine.
		The buccal surface of the mandibular second premolar resembles the mandibular first premolar except it is not as long and it is wider.
	people.sinclair.edu /sueraffee/chapters14_15/premolar.htm (661 words)

	Dental Central Chapter 2 -- True or False
		The mesial marginal groove extends onto the mesial surface of the maxillary first premolar.
		In the adult dentition, the permanent maxillary first molar is in contact mesially with the permanent maxillary second premolar.
		The roots of the permanent maxillary second molar lie closer together than do the roots of the permanent maxillary first molar.
	cwx.prenhall.com /bookbind/pubbooks/dental/chapter2/truefalse1/deluxe-content.html (261 words)

	Premolars
		The premolar teeth are transitional teeth located between the canine and molar teeth.
		Premolar teeth by definition are permanent teeth distal to the canines preceeded by deciduous molars.
		(Review of premolar occlusal outlines: the upper first is hexagonal, the upper second is ovoid, the lower first is diamond, and the lower second is square.) The large buccal cusp dominates the occlusal surface.
	www.uic.edu /classes/orla/orla312/PREMOLAR.htm (1067 words)

	Dental Anatomy review (Site not responding. Last check: 2007-10-29)
		Distal surface of the maxillary first molar is in the same plane as the distal surface of the mandibular first molar.
		Mesiolingual cusp of the maxillary first molar falls in the central fossa of the mandibular first molar.
		The height of contour of the buccal surface of the mandibular permanent first molar is at the:
	www.amyrdhstudents.com /dentant.html (1858 words)

	Postgraduate Medicine: Dental nerve blocks
		Maxillary teeth and buccal soft tissues from midline through canine; upper lip, lateral aspect of nose, and lower eyelid; maxillary premolars and mesiobuccal root of 1st molar in 70% of patients
		If the first attempt at supraperiosteal injection fails to provide adequate pain relief, the procedure can safely be repeated for a total of three or four attempts, provided that the total amount of anesthetic given is within the recommended limits (table 1).
		This is a straightforward, highly successful technique that numbs the mandibular buccal soft tissues from the midline to the second premolar and the skin of the chin and lower lip (figure 3: not shown).
	www.postgradmed.com /issues/2000/01_00/powell.htm (3168 words)

	The Complete Denture Prosthesis
		On the working (discluding) side, the maxillary buccal cusps rise on the facial surfaces of the mandibular teeth as the palatal cusps are contacting the facial cusp inclines of the mandibular lingual cusps, providing the cross-tooth contact.
		In a lingualized set-up, the mesial fossa of the maxillary first premolar and the palatal cusps of the maxillary posterior teeth lie along or lingual to the crest of the ridge, just as in a balanced denture setup.
		In some cases it may be advantageous for the orientation of the maxillary posterior teeth to slightly splay away from the palatal midline.
	www.dentalcare.com /soap/olcourse/cdp/fab_trial/fab_trial07.htm (309 words)

	Indian Pediatrics - Editorial
		Earliest teeth to appear were lower first molar (5.64 years) followed by lower central incisors (6.02 years), The sequence of eruption in maxilla was first molar, incisors-central then lateral, first premolar, canine, second premolar and second molar.
		The sequence of eruption was first molar, incisors-central then lateral, first premolar, canine, second premolar and second molar in the maxilla.
		Maxillary first premolar erupts before canine and in mandible canine erupts before first premolar this was comparable to other Indian studies.
	www.indianpediatrics.net /oct2004/oct-1031-1035.htm (1232 words)

	Rules for Treatment (Site not responding. Last check: 2007-10-29)
		Two-canal premolars may be treated either in Fixed with cast dowel-cores, or in Endodontics Clinic with prefabricated dowels and amalgam cores.
		Non-vital anterior teeth and premolars may be temporized with prefabricated polycarbonate crowns relined directly in the mouth.
		Maxillary first premolar: Mesial half of occlusal surface and facial half of buccal cusp.
	dentistry.ouhsc.edu /intranet-Web/Courses/FPDClinManual/Pages/rft.html (2129 words)

	Composite resin restoration
		Conical crown-size reduction of the maxillary lateral incisor is usually associated with other dental anomalies like tooth agenesis (4,7), maxillary canine-first premolar transposition (5), palataly displacement of one or both maxillary canine teeth (8) and mandibular lateral incisor-canine transposition (9).
		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).
		Peg-shaped maxillary lateral incisors could be responsible for smile implications, that varies from case to case, but could also cause alterations on psychological behavior.
	www.priory.com /den/resin.htm (1969 words)

	Norton Report-2
		The mastoid prominence of the left temporal bone revealed an irregularly ovoid 1.0- by 0.5-cm defect penetrating to the interior of the mastoid bone with the defect edges rounded and smooth (Fig.
		The mandible was maintained in anatomic continuity with the skull by virtue of decomposed soft tissue at the areas of articulation with the skull and by an embalmer wire perforating the maxillary and mandibular anterior jaw structures.
		The first question was that of the date of the dental interproximal radiographs (Figs.
	mcadams.posc.mu.edu /parnell/norton2.htm (1879 words)

	DENTIN.NET
		The root numbers indicated here are general guidelines on root number however it should be noted that considerable individual variation exists and almost anything is possible in exceptional cases.
		Maxillary first premolars are usually bifurcated while the maxillary second premolar usually has just one root.
		The maxillary first premolar with two roots will have one root positioned towards the facial and the second on the lingual.
	dentin.net /sguide2.htm (2168 words)

	OHSU School of Dentistry - Graduate Endodontics
		Weine FS, Gerstein H, Evanson L. Canal configuration in the mesiobuccal root of the maxillary first molar and its endodontic significance.
		Anatomy of the pulp chamber floor of the permanent maxillary first molar.
		Vertucci FJ, Gegauff A. Root canal anatomy of the maxillary first premolar.
	www.ohsu.edu /sod/endo/classic_lit_topics/Morpho.html (527 words)

	First or Second Premolar Extraction Effectson Facial Vertical Dimension
		The changes in FVD occurring with the extraction of maxillary and mandibular P1 were reported to be no different than the changes in FVD occurring in nonextraction cases.
		Regardless of maxillary and mandibular P1 or P2 extraction treatments, there was no decrease of FVD and no significant difference in FVD changes in the patients with a Class I malocclusion and hyperdivergent facial type.
		The effect of maxillary first premolar extraction and incisor retraction on mandibular position: testing the central dogma of “functional orthodontics.”.
	www.arabmedmag.com /issue-31-03-2005/dentistry/main02.htm (2709 words)

	Abfractions? How they are important in Restorative Dentistry
		Method and materials: Three-dimensional composite models of a maxillary first premolar with a buccal cervical lesion were fabricated.
		The aim of this study was to investigate the effect that an occlusal restoration would have on the stress profile in the cervical region of a lower second premolar using two-dimensional finite element stress analysis.
		Under an eccentric 100 N occlusal load, a premolar with an occlusal amalgam restoration showed peak tensile and shear stresses in the buccal cervical region that were in excess of the known failure stress for enamel.
	www.healthmantra.com /REVIEWS/abfraction.htm (3372 words)

	Statistical Evaluation of the Apical Region of Maxillary Premolars (Site not responding. Last check: 2007-10-29)
		Objective: The aim of this study was to investigate the dimensions, shape, and localization of the physiological foramen (PF) of maxillary first and second premolars.
		Methods: A total of 372 measurements were made in 120 first and 77 second maxillary premolars under a stereo microscope (32x).
		Results: The first premolar showed to have one and two roots in 19.33 and 80.67% respectively.
	iadr.confex.com /iadr/2003SanAnton/techprogram/abstract_28309.htm (311 words)

	Displacement of maxillary canines: a twist in the root -- Kerrigan and Sandy 22 (3): 275 -- Journal of Orthodontics
		Displacement of maxillary canines: a twist in the root -- Kerrigan and Sandy 22 (3): 275 -- Journal of Orthodontics
		Displacement of maxillary canines: a twist in the root
		displacement of a maxillary canine was the presence of a deviated root on
	jorthod.maneyjournals.org /cgi/content/abstract/22/3/275 (134 words)

	[No title] (Site not responding. Last check: 2007-10-29)
		The first part of this chapter describes the methods used in the various analyses, including age (at death) assessment, determination of sex, identification of pathologies and anomalies, the recording of metric and nonmetric traits, and stable isotope analysis.
		One premolar and the first and second deciduous molars are present.
		The first permanent molar is present and the crown of the second permanent molar is erupting, but with a lateral orientation.
	www.crowcanyon.org /researchreports/SiteTesting/Text/Ts_19.htm (7860 words)

	Case Challenge
		A 30-year old male was referred by a dental practitioner to the Department of Oral Radiology at the University of Lund, Sweden, for a radiological evaluation of chronic symptoms of inflammation on the right side of the maxilla.
		The clinical examination revealed pus draining from the tract located on the buccal aspect of the alveolar process between the right maxillary first molar and first premolar.
		The radiological examination included periapical radiographs of the right maxillary first premolar and canine, a panoramic radiograph, and frontal tomograms of the maxillary right premolar area.
	www.thejcdp.com /issue002/csechlng/01case.htm (183 words)

	chet_review_series_1\|Dental Hygiene\|Multiple Choice Test #1 (Site not responding. Last check: 2007-10-29)
		Upon performing an oral examination of a 23-year-old female college student, it is noted that the lingual surfaces of the maxillary anterior teeth are severely eroded.
		Upon clinical and radiographic examination of a patient who had not had any dental care for 20 years, two abscessed teeth were identified-the two maxillary central incisors.
		As a result of her traumatic injuries, the blood supply to her maxillary molar teeth is severed.
	wps.prenhall.com /chet_review_series_1/0,7156,553678-,00.utf8.html (2716 words)

	CWRU - DA Exam 1997 (Site not responding. Last check: 2007-10-29)
		The buccal ridge is as prominent as the buccal ridge of the maxillary first premolar
		The maxillary and mandibular premolars are alike in that
		The mesial root depression of the maxillary first premolar extends onto the coronal aspect of the tooth.
	www.cwru.edu /dental/web/da/examscomplete/withanswers/1997exam1sepanswers.htm (1459 words)

	Table 1: Table 1. Classification of root morphology of the first maxillary premolar
		Classification of root morphology of the first maxillary premolar
		Clasiffication of canal morphology of the first maxillary premolar
		In vitro studies on canal morphology of the first maxillary premolar
	www.dur.ac.uk /anthropology.journal/vol12/iss2-3/lipski/tables.html (147 words)

	Indian Orthodontic Society (Site not responding. Last check: 2007-10-29)
		The fear of the "dished-in" profile, said commonly to result from the extraction of premolar teeth, is derived largely from isolated law suits and carefully selected reports of unfavourable results.
		In the end, however, only premolar extraction had any marked capacity to produce a reduction in a lip protrusion and, hence, a perception of profile improvement for Caucasians and African-Americans who suffer from bimaxillary protrusion.
		four first premolars, upper firsts and lower seconds, upper second molars, upper and lower second molars, lower incisor, etc.), all of which have different meanings vis-a-vis anchorage and the impact of treatment on the profile.
	www.netodontist.com /projects/iosonline/journal/November/reviewarticle2.htm (4707 words)

	[No title]
		Joseph I, Varma BRR and Mahalinga Bhat K: Clinical significance of furcation anatomy of the Maxillary First Premolar: A biometric study on extracted teeth.
		MandM: 100 maxillary premolars randomly selected and evaluated for the following: 1) frequency of bifurcation, 2) proximity of the furcation to CEJ 3) depth of the concavity on the root trunk 4) depth of the furcal aspect of the root trunk 5) diameter of the furcation entrance and 6) extent of root divergence.
		Furthermore, the blade face width of a standard Gracey curet may be to large to instrument the furcation entrance and the miniature variety may needed for thorough Rp.
	www.vcu.edu /perio/curlt1096.html (2347 words)

	2003 CDA Journal - Feature Article, Copyright 2003 Journal of the California Dental Association (Site not responding. Last check: 2007-10-29)
		When a patient has lost the maxillary posterior teeth, as patient "A.K." had, the problem has conventionally been resolved with a tooth-tissue supported removable partial denture.
		However, when the maxillary anterior sextant is periodontally compromised, treatment planning may be more complex.
		Narhi TO, Hevinga M, et al, Maxillary overdentures retained by splinted and unsplinted implants: A retrospective study.
	www.cda.org /cda_member/pubs/journal/jour0403/sadowsky.htm (1550 words)

	[No title] (Site not responding. Last check: 2007-10-29)
		The first and second maxillary premolars are very similar to one another except for some specific differences: Max first premolar is larger than the max second premolar.
		First premolar has two roots (named the lingual/palatal, and buccal root second premolar has one root) Clinical note: when taking radiographs we will usually be taking a “picture” in such a way that we will not see the two roots, they will end up superimposing upon each other.
		In the first premolar (max) the buccal cusp is slightly longer than the lingual cusp.
	www.dent.ucla.edu /2002/da1012.doc (2391 words)

	Variation of approximal tooth contact tightness with postural change -- Southard et al. 69 (11): 1776 -- Journal of ...
		A decreased mean tightness of all maxillary and mandibular
		significant decrease (-32%) occurred at the mandibular first molar-second
		premolar contact, and the smallest decrease (-10%) occurred at the
	jdr.iadrjournals.org /cgi/content/abstract/69/11/1776 (266 words)

	rev32097a
		The effect of maxillary first premolar extraction and incisor retraction on mandibular position: Testing the central dogma of "functional orthodontics" AM J Orthod Dentof Orthop 1992;101:4-12.
		Authors’ Thesis or Emphasis: The stated purpose of this article was to test the effect premolar extraction, incisor retraction and "backward-pulling" mechanics had of patients condyles to see if the would be moved distal.
		The emphasis was to show that the "evaluated mechanics" did not cause adverse effects.
	www.ddsdx.com /member/litrevs/rev32097a.html (618 words)

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