正畸科課件：7年制-正畸治療中的口腔健康教育和保持

1、Orthodontics is a subject that to find, seek and creat beauty. However, dental and periodontal health are always the base.Case 1Gender: FemaleAge:16Chief Complain: parents suggest her to improve the protruded anterior teethBad oral hygieneLike soft drinks and refuse to correct it during orthodontic

2、treatment Pre-treatment During treatmentAfter-treatment1 year after treatmentCase 2Gender: FemaleAge:13Chief Complain: parents want to close her dental spaceBad oral hygiene: brush her teeth once daily during orthodontic treatmentPre-treatmentDuring treatmentAfter-treatmentAi TingtingDepartment of O

3、rthodonticsGunaghua School of stomatology Sun Yat-sen UniversityOral Health Instruction during Orthodontic TreatmentAbstractMaster the clinical manifestation and etiology of Enamel Decalcification and Periodontal Tissue Damage during orthodontic treatment Master the main contents of Oral Health Inst

4、ruction (OHI), especially plaque control and fluoride local applicationEnamel Decalcification during orthodontic treatmentClinical ManifestationWhite spot lesionPredilection SiteThe highest incidence was in the maxillary incisorsEnamel in the gingiva and surrounding the bracket are the common locati

5、onIncidenceWithout any interventions, the incidence of enamel decalcification in the orthodontic patients is 50-60%With proper control measures, the incidence of enamel decalcification will drop by 30-40%Good oral hygiene combined with proper interventions, the incidence of enamel decalcification is

6、 very smallEtiologyDental plaque retention due to fixed appliancesImbalance of oral floraenvironment caused by fixed appliancesBad oral hygieneSoft drinkSalivaImproper bracket bonding:etching、adhesivePeriodontal Tissue Damage during Orthodontic Treatment Clinical ManifestationMost : GingivitisA few:

7、 Periodontist Predilection SitePosterior teeth are more prone than anterior teeth, especially maxillary posterior teethLower anterior teeth are also the common locationThe incidence and severity of the proximal surface are more than the labial and lingual surface.IncidenceMore than half of the adole

8、scent patients present gingivitisThe incidence of adult patients is smallerEtiologyDental plaque retention due to fixed appliancesBad oral hygieneIatrogenic factors: improper bracket bonding, improper orthodontic force, occlusal trauma, band stimulationOral Health Instruction during Orthodontic Trea

9、tmentOral Health Instruction(OHI) Oral Health Instruction should run through the whole process of orthodontic treatment Contents: the importance of keeping good oral health the dangers of dental plaque correct tooth-brushing method good dieting habit recommend some preventing products or aids Oral H

10、ealth CarePreparation before orthodontic treatmentDental plaque control tooth brushing; professional cleaning; chemical drugsLocal application of fluorideStandard clinical procedure etching、adhesive 、appropriate band、reduce orthodontic devices、 reasonable orthodontic planTreatmentEnamel Decalcificat

11、ion promoteenamelremineralization with fluoride dental filling therapyPeriodontal Tissue Damage suspend orthodontic therapy and turn to systemicperiodontaltreatment gingivectomy eliminate occlusal interferenceRetentionAbstractThe reasons for retention and the factors effect retention Classification

12、of retainersTreatment after relapseReasons for retentionTeeth always go back to the original positionRemodeling of alveolar and soft tissue are relatively lagOcclusal balance has not been builtBad oral habits still existThe effect of growth type and genderThe eruption of the third molarTeeth movemen

13、t out of the bone limitUnreasonable treatment plans The factors effect retentionNatural retention Mechanical retention Occlusal and adjacent relationshipsSoft and hard periodontal tissueBalance of the perioral muscle function Elimination of bad oral habitsOver correctionThe relationship between dental arch and basal boneMandibular intercanine widthCondyle and mandibular positionRetainers Removable retainerFunctional retainerFixed re