Impacted Teeth PDF

Impacted teeth your name Terminology your name Embryology of the third molar Tooth bud formation 4-5 y/o Calcification 9-10 y/o Full crown completion 12-15 y/o Eruption 17-21 y/o Root formation 18-25 y/o...

Impacted teeth your name Terminology your name Embryology of the third molar Tooth bud formation 4-5 y/o Calcification 9-10 y/o Full crown completion 12-15 y/o Eruption 17-21 y/o Root formation 18-25 y/o your name  Development prognosis of the third molar The third molar presents a physiologic mesial and lingular orientation The change in angulation occurs between 14-16 y/o your name  Etiology of impaction Revolutional theory Infection Fusion Cyst, tumor, hyperplasia Trauma Hereditary Vit A,D deficiency Specific symptoms your name  Indication for extraction of impacted third molar Evidence of hypertrophy,cyst or tumor development of the follicle Repeated episodes of pericoronitis Irreversible carious lesion Distal periodontal defect or caries on the second molar in relation to the third molar Prophylatic extraction ???? your name Indication for extraction of impacted third molar your name Indication for extraction of impacted third molar your name Operculectomy How and When ? your name  Operculectomy How and When ? Class I Position A Vertical impaction Distal bone level is not higher than CEJ your name Operculectomy How and When ? your name  Prophylactic extraction of third molar  To reduce complications involving the neighboring teeth  To improved oral health in the younger patient  For orthodontic purpose your name  The golden time of extraction After the roots are 1/3 to 2/3 formed Patient