口腔學英文課件：Complete-dentures

1、Complete dentures Edentulous jaws There are not any natural tooth and root of tooth on the dental arch Complete dentures is mucosa support denture.character1、Caries 2、periodontal disease3、General disease、injuryCause of disease1、cariesCause of disease2、periodontal diseaseCause of disease3、trauma and

2、tumor Cyst of jawsCause of disease1.Old people is more than the other people2.Woman man3.maxilla mandibleSpongy substance of bonescortex of boneDisease incidencepatients face、chewing function，and hurting alveolar ridge、mucosa、TMJ、masseter（咬?。?. social contact 、psychological(confidence)influence Chap

3、ter 1Definitions: Complete dentures are the prosthesis of maxilla mandible or maxilla and mandible with edentulous. Chapter 1 Edentulous is all teeth deficiency of maxilla、mandible or maxilla and mandible.Definition Edentulous Chapter 1If it is only edentulous of maxilla ormandible, so it is respect

4、ively named : maxilla complete denture mandible complete denture Definition maxilla complete denturemandible complete dentureedentulousComplete denturesDenture base plate Artificial teethcomposition Occlusal surface tissue surface composition Hard tissue Soft tissueTissue changeAlveolar ridge resorp

5、tionTissue changeThree months 15%Six monthsRemarkable decreaseTwo yearsIncline to stable0.5mmTissue changeTissue changeMaxilla :cortex inner sidemandible: cortex outer sideCortexspongyMx alveolar ridge:inner and upwardMd:outer and downwardMaxilla arch31 （三）Teeth arrangement2、the arrangement of the a

6、nterior teeth b、arrangement demand labiolingual tipping Lingual tipping 21 3 labial tipping （三）Teeth arrangement2、the arrangement of the anterior teeth b、arrangement demand distal rotate Central incisor lateral incisor cuspidocclusal plane the incisal margin is 1mm overtop the occlusal planemesiodis

7、tal tipping maxillar 231 mandibular 321labiolingual tipping Lingual tipping 21 3 labial tipping 1 lingual tipping 2 up-right 3 labial tippingDistal rotatequestion1、what is the method of determining centric relation position?2、what is the method of determining vertical dimension?3、 what is the method

8、 of judging whether the centric relation position is correct?4、what is the function of occlusal record base and wax rim?（三）Teeth arrangement3、the arrangement of the posterior teeth（三）Teeth arrangement3、the arrangement of the posterior teethCompensating and Spee curve transverse occlusal curveArrange

9、ment of anterior teeth1、The middle of the teeth should coincide with the facial midlineArrangement of anterior teeth2、The line of joining Incisal margin should coincide with the form of anterior dental arch, and the same name tooth should be symmetry and harmonyArrangement of anterior teeth3、The ant

10、erior teeth should be placed slightly labial to the alveolar ridgeArrangement of anterior teeth4、The overbite of the anterior teeth is 1mm, overlay is 23mm.Arrangement of anterior teeth5、The mandibular cuspid is enfilade the space of maxillar cuspid and lateral incisorArrangement of anterior teeth6、

11、The distal ridge of cuspid is continue with the line of alveolar ridge crest.Arrangement of anterior teeth7、The adjacency relation should be tightness.Arrangement demand of posterior teeth1、centric occlusionArrangement demand of posterior teeth2、4 buccal cusp、5 buccal and lingual cusp、6 mesial lingu

12、al cusp are contact with occlusal planeArrangement demand of posterior teeth3、compensating curve、Spee curveArrangement demand of posterior teeth4、transverse occlusal curveArrangement demand of posterior teeth5、the central sulcus of the molar teeth is on the alveolar ridge crestArrangement demand of

13、posterior teeth6、accordance with the shape of arch bilateral symmetryArrangement demand of posterior teeth7、The occlusal plane is divide equally interocclusal distancesBalanced occlusion The bilateral, simultaneous, anterior, and posterior occlusal contact of teeth in the eccentric position and the

14、bilateral simultaneous occlusal contact of posterior teeth only in centric occlusionClassification of balanced occlusion正中合平衡(centric balanced occlusion)非正中合平衡(eccentric balanced occlusion)前伸合平衡(protrusive balanced occlusion)側方合平衡(lateral balanced occlusion) 正中合平衡（Centric BO）The biggest area and uni

15、form occlusion contact of the opposing teeth when the mandible is in centric occlusion position.非正中合平衡(eccentric BO) 前伸合平衡(protrusive BO)The uniform occlusal contact of anterior and posterior teeth when the mandible is protrusive movement 非正中合平衡(eccentric BO)側方合平衡（lateral BO） The uniform occlusal co

16、ntact of bilateral posterior teeth when the mandible is lateral movement非正中合平衡(eccentric BO)側方合平衡（lateral BO） The uniform occlusal contact of bilateral posterior teeth when the mandible is lateral movement（四）finishing trimming model flasking wax-elimination filling resin denture Medical orderPeriodi

17、c return visit Health maintainPatience practiceStep by stepCorrect wrong habitTake down at nightTiming cleaning Soak with cool waterAhead wearing denturePeriodic reviewLearn useThe seventh sectionProblem and disposition after wearing denture （一）pain manifestationa. explicit location：Mucosa congestio

18、n or aphthab. undefined locationMucosa dispersivity red and swollen reason1.Base plate border too long2.Plate access tissue undercut3. Buffer not enough4. Centric relation is wrong5. Occlusion unbalance6. Masticator force overweight（二）retention badness1、patient inadaptation patience practice2、proble

19、m of denturedropping when resting state base plate is not accuracyrelining extend of border not enoughreform（二）retention badnessb. dropping when open mouth、speaking and yawn border is too long buffer frenum is too long buffer seal of post dam area is badreform（二）retention badnessC、dropping when chew

20、ing food occlusion unbalanceocclusal adjustment posterior border of baseadjustment plate disturbance（三）nausea（惡心）1、the posterior border of maxillar denture is too long and thickgrinding2、the posterior border is not accuracy reform post dam3、denture tilting（翹動） occlusal adjustment4、lingual base plate of mandible is thicker grinding thin（四）bite buccal、tongue1、buccal fat pad is large thicker buccal base plate2、tongue is