AdverseEffectsOrtho课件.ppt

* THE ADVERSE EFFECTS OF ORTHODONTIC TREATMENT The Adverse Effects of Orthodontic Treatment Introduction - Tooth Decay and Enamel Decalcification - Periodontal Disease - External Apical Root Resorption (EARR) - Patient Injuries from Orthodontic Appliances - Length of Treatment may vary from Estimate - Temporo-Mandibular Joint Disorders may Occur - Aspiration or Ingestion of Orthodontic Appliances - Injury from Dental Instruments - Abnormal Wear of Tooth Structure and Debonding Fractures - Nickel Allergy - Bacteremia after Orthodontic Banding - Pain and Discomfort - Impacted Teeth 3rd Molars may Still Occur - Tooth Mass Discrepancies may not be Resolved - Extraction of Teeth and Supplemental Orthognathic Surgery may be Necessary - Abnormal Growth Patterns of the Jaws - Teeth with Questionable Vitality may be Adversely Affected - Post Treatment Changes in Alignment The Adverse Effects of Orthodontic Treatment Tooth Decay and Enamel Decalcification The Adverse Effects of Orthodontic Treatment Decalcification and tooth decay associated with poor oral hygiene during orthodontic treatment Periodontal Disease The Adverse Effects of Orthodontic Treatment Crestal bone loss occuring with orthodontic treatment associated with poor oral hygiene The Adverse Effects of Orthodontic Treatment External Apical Root Resorption (EARR) Pre-orthodontic treatment full-mouth radiographs External Apical Root Resorption (EARR) The Adverse Effects of Orthodontic Treatment Post-orthodontic treatment full-mouth radiographs demonstrating EARR of incisors The Adverse Effects of Orthodontic Treatment External Apical Root Resorption (EARR) Impacted maxillary canine in close proximity to lateral incisor apex External Apical Root Resorption (EARR) The Adverse Effects of Orthodontic Treatment Resorption of the lateral incisor apex by the impacted maxillary canine The Adverse Effects of Orthodontic Treatment Patient Injuries from Or