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Jaw Relation in Complete Denture Part 1 Dr Manase
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Watch the “Jaw Relation in Complete Denture” lecture presented by Dr Manase (Masters in Dental Surgery). • Why is this an important dental study video? • Accurate and reproducible maxillo-mandibular records are paramount to designing an occlusion that limits trauma to the denture foundation area, enhances stability of the dentures and restores speech, esthetics and mastication. • There are three different types of jaw relations • 1) Orientation jaw relation • 2) Vertical jaw relation • 3) Horizontal relation • Under horizontal relation there are two types • 1) Centric relation and • 2) Eccentric relation • Orientation jaw relation- This is the first jaw relation to be recorded. It establishes the relationship of the mandible to the base of the skull or cranium. • Basically it establishes the angle or tilt of the maxilla in the three reference planes, antero posterior, lateral and vertical. • To record the angulation of the maxilla, a plane should be formed with atleast two posterior references and one anterior reference. • The instrument that is used to record the centre of the condylar rotation along with a third reference point, thereby forming a plane to record the orientation relationship of the maxilla to the cranium, is called as facebow. • This prosthodontics lecture covers the definition, clinical significance, clinical factors, laboratory factors and types of jaw relation. • An understanding of the jaw relation record for complete denture will help in fabricating a successful prosthesis for the patient. • Hoping that this prosthodontics complete denture lecture helps add some value • Do let us know if you have any suggestions / comments • • Subscribe ➡️ https://eb4.co/SubscribeDentallInfo • ********************************************************************** • The answers to the MCQ questions asked in the video are provided below :- • Question 1) Orientation records are transferred by • Option a) Gothic arch tracing • Option b) Facebow record – Correct answer • Option c) Dual impression technique • Option d) None of the above • Question 2) Before an arbitary facebow transfer record, the dentist must determine • Option a) Physiologic rest position • Option b) Inclination of each condyle • Option c) Axial centre of rotation of condyle – Correct answer • Option d) Kinematic axis of rotation of condyle • Question 3) The maxillary anterior plane should be parallel to • Option a) Interpupillary line – Correct answer • Option b) Ala tragus line • Option c) Midline • Option d) None of the above • ********************************************************************** • Find Dentall Info on: • Blog: https://www.dentallinfo.com/blog/ • Facebook: / dentallinfo • Instagram: / dentallinfo • Pinterest: / dentallinfo • Subscribe ➡️ https://eb4.co/SubscribeDentallInfo • Copyright @dentallInfo. Any illegal reproduction of this content in any form will result in immediate action against the person/entity concerned. • ********************************************************************** • Image Credits :- • 1) Maxillomandibular relationship 1 https://www.slideshare.net/UDDent/jaw... • 2) Maxillomandibular relationship 2 https://support.clearcorrect.com/hc/e... • 3) Maxillary and mandibular occlusal rims and record bases https://mydentaltechnologynotes.wordp... • 4) Lip fullness in complete dentures https://www.slideshare.net/sachabhi10... • 5) Facebow https://whipmix.com/products/hanau-ea... • 6) Retromolar pad https://mydentaltechnologynotes.wordp... • 7) Kinematic facebow https://www.mussenhealth.us/tooth-str... • 8) Facia facebow https://www.slideshare.net/RohanBhoil... • 9) Earpiece facebow https://www.oralhealthgroup.com/featu... • 10) Maxilla https://www.alamy.com/stock-photo/max... • 11) Primary impression • 003 Complete dentures: CLINIC1 - Pri... • 12) Final impression https://www.researchgate.net/figure/F... • 13) Jaw relation in complete denture https://mydentaltechnologynotes.wordp... • 14) Teeth arrangement complete denture https://www.slideshare.net/shammasm/1... • 15) Complete denture https://aesthetechdentureclinic.co.nz... • 16) Infraorbital notch http://anatomyzone.com/anatomy-feed/i... • 17) Nasion / 822892163134805377 • 18) Centre of condylar rotation https://www.researchgate.net/figure/C...
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