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Page 94 text:
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The 1BflJgIID5f5 1 gmnfana wwral Qtnmge 1 1904 annual x PORCELAIN AS A FILLING MATERIAL ' By JOHN Q. BYRAM, D. D. S. i ANY of those who engaged in the prac- QT QQ an tice of dentistry, before it was consid- ered a profession, expressed a desire to N W Hnd a Hlling material that wo-uld satisfy the esthetic sense by approaching the R color of the natural teeth. That desire W 'x has since found frequent expression, and experiments have been made with a number of ma- terials g the two receiving most attention being cement and porcelain. As the former has so far failed to fulfill more 'requirements than the latter, our best efforts- have been directed to perfecting the use of porcelain rather than cement. The fact that its use is constantly increasing is evidence that a large number of dentists are becoming ac- quainted with its merits, Porcelain as applied to the dental airt prior to 1885 was practically confined to the manufacture of teeth and a few cavity stoppersf' About this time a method of constructing a metallic matrix rep- resenting the cavity and filling it with glass o-r porcelain was devised. By the constant efforts of as few dentists porcelain has been kept before the profession, and now it is generally recognized as a materialof merit for the res- toration of lost tooth structure in those cases where metals are objectionable because of their lack of harmony with the color of the teeth. Since the introduction of co-hesive gold, no material has received the same consideration that porcelain has re- ceived in the last four years. Many of us are asked, ls porcelain to be added to the list of permanent filling ma- terials, or is it a fad to- insert porcelain inlays, and will this be like many other fads, pass away in a short time P It is true that we are sometimes carried away by certain fads,
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Page 95 text:
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I 'Erbs prognosis Zlnniana Dental Qteilegz F1904 annual but if a fad has been an education to- a higher appreciation of dental services, then it has been of -some value. The gold crown fad has passed, but we have learned that badly broken do-Wn teeth can be conserved and tmade useful. Cataphoresis has taught us that a pulp can be anwsthetized by the diffusion of certain drugs. through dentin to- the pulp. So pressure anaesthesia is the result. One of the elements of true dental art lies in disguising the artificiality of the restorationof lost tissue or organs, and he who is able to disguise his art is truly the artistic dentist. If the insertion of porcelain inlays has been car- ried to- an extreme by some of the enthusiastic exponents, their enthusiasm has caused many dentists to- become in- terested in porcelain work, and their esthetic sense has been developed to a higher degree, so that they are now able to practice dentistry in a more artistic manner. 4 p To what extent porcelain will be used for the restora- tion of lost tooth structure depends largely on the dentist and his clientele. 'Before porcelain can be used as a universal material, a large number of dentists will be compelled to ' 1 x develop the esthetic side of their nature. They cannot be- come artists if they are lacking in. esthetic tastes and ap- preciation of the ,harmonies of nature. Much is said about educating the pub-lic to a higher appreciation of dentistry, but the- tendency of the profession to- commercialism pre- vents many artistic operations from being performed. The questions that so often co-nfront us are: What will it cost, and how long will it last ?,' The success of the opera- tion is determined by the price and durability from such patients' point of view. Some of the advantages of porce- lain inlays are: x ' I. Fillings can be inserted which only the expert can detect. a . A 2.' They are no-n-conductors of thermal changes. ' 3. p The margins of cavities filled with porcelain are not readily attacked by caries. 4. The patient is relieved of the excruciating pain of 'adjusting rubber dam clamps fo-rlcavities extending beneath the gum. , p
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