武汉大学：《牙体牙髓病学》课程PPT教学课件（英文版）牙体修复学 Operative Dentistry 2

Operative Dentistry 2 CHEN Zhi Wuhan University School of Stomatology

CHEN Zhi Wuhan University School of Stomatology Operative Dentistry 2

Definition of Operative dentistry perative dentistry is the Art and science of the diagnosis, treatment, prognosis of defects of teeth which do not require full coverage restorations for correction

Definition of Operative Dentistry Operative dentistry is the ART and SCIENCE of the diagnosis, treatment, prognosis of defects of teeth which do not require full coverage restorations for correction

Indication of Operative Dentistry a Caries a Malformed, discolored or fractured teeth u Restoration replacement

Indication of Operative Dentistry ❑ Caries; ❑ Malformed, discolored, or fractured teeth; ❑ Restoration replacement

Program of Operative Treatment 口 Patient assessment U Examination and diagnosis 日 Treatment planning Pain control: local anesthetic U Isolation of the operating field

Program of Operative Treatment ❑ Patient assessment ❑ Examination and diagnosis ❑ Treatment planning ❑ Pain control: local anesthetic ❑ Isolation of the operating field

Program of Operative Treatment 曰 Cavity preparation u Matrix application u Preparation of materials U Insertion and carving of materials u Finishing and Polishing

❑ Cavity preparation ❑ Matrix application ❑ Preparation of materials ❑ Insertion and carving of materials ❑ Finishing and Polishing Program of Operative Treatment

Cavity Preparation The mechanical alteration of a defective, injured, or diseased tooth in order to best receive a restorative material which will re-establish a healthy state for the tooth including esthetic corrections where indicated along with normal form and function

Cavity Preparation The mechanical alteration of a defective, injured, or diseased tooth in order to best receive a restorative material which will re-establish a healthy state for the tooth including esthetic corrections where indicated, along with normal form and function

Cavity structure 日 walls angles 口 cavit

Cavity Structure ❑ walls ❑ angles ❑ cavity

Classification of cavity 口 Class i 口cssI 口cssI Class Iv 口 Class y Class VI GV Blackin 1908

Classification of cavity ❑ Class I ❑ Class II ❑ Class III ❑ Class IV ❑ Class V ❑ Class VI —G.V.Black in 1908

Cavity u simple cavity: only one tooth surface is involved a Compound cavity: two surfaces are involved u Complex cavity: three or more surfaces are involved

Cavity ❑ Simple cavity: only one tooth surface is involved. ❑ Compound cavity: two surfaces are involved. ❑ Complex cavity: three or more surfaces are involved

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