Ultrasonic cavijty preparation: histopathologic survey of effects on mature and developing dental tissues

摘要: The histopathologic effects of ultrasonic cavity preparation in permanent teeth (human) and permanent, deciduous underlying primates were studied. response the pulp was mild generally indicated a reversible reaction, all aspects comparable to caused by rotary technics. No evidence found any pathologic condition supporting structures nor aberration ar dysplasia seen growing or tissues. Pulp cutting dentin cannot be distinguished according instrument which does cutting.