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Radiation protection and dentistry
Consultat,ion between the general practitioner and specialists. cscapt where orthodontic treatmc~nt and oral surgery are (*onc(irned, is still a moot qn&ion, since the dentist frequcntl~feels that 1)~ askin g for a consultation his own status is being diminished in the eyes of his patients. Th(l authors state: "The need for consultation should 1~3 presented in such a way that the patient dots riot) become apprehensive about his condition or about the ability of the practit,ioner.” Throughout the text it is made clear that the plan of treatment and the speed with which the plan is carried out should bc in keeping with the physical and psychological make-up of the patient and should not depend on the preconceived theories or philosophies of the dentist. One bit of financial advice is offered by the authors : “Concerning the problem of extending large sums of credit, the dentist has ncithcr the espericnce, manpon-rr, nor the capital to carry out such a program.” The book is well prepared and concise, and it will he found valuable in dayto-day practice. J. il. X. Basic
Periodontology
By A. Bryan John Wright
Wade, B.Ch.D., P.D.S.Ii.C.S., Sons, Ltd. 303 pages. Price,
Cc
London,
Englwnd.
Bristol,
1960,
$10.00.
This text is written from the biologic approach in the presentation of the development, etiology, and pathology of periodontics. The chapter on treatment is intensely practical and COVCI’Ssuch items as scaling and polishing, occlusal equilibration, and stabilization of excessively mo\-able teeth. The construction of appliances for immobilization of teeth is illustrated and described in the text. The use of acrylic veneers in the retention of medicamcnts is fully described. With regard to occlusal equilibration, the author states: “Selective grinding is a precise scientific procedure with definite rules which must not he revoked under any circumstances whatsoe\-cr. It consists largely of re-shaping cuspal planes without changing the vertical dimension of the masticatory mechanism.” The book has a detailed index for easy reference. J. A. S. Radiation
Protection
By Arthur C.
I’.
Moshy
and
Dentistry
H. Wuehrzann, Company.
238
D.M.D., pages,
Bimknghana,
illustrated.
Ala. Price,
St.
Louis,
1.960,
l’he
$6.50.
The use of the x-ray for diagnostic purposes, at one time pursued with abandon, in late years has become a matter of concern to the public and the medical and dental profession. While opinions on the harmful biologic and genet,ic effects of ionizing radiation arc far from unanimous, there is much information with which the orthodontist should be familiar. Knowledge of how to avoid unnecessary ionizing radiation will enable tl~ ol%hodontist to answer the questions asked by patients concerning the safety of taking x-ray films and protect the x-ray machine operator from unnecessary exposures.
This t,est is one of the postgraduate Icctuw series conducted at the 1.nivarsity of Alabama. It deals with the fundamental effects of radiation and the mc+liotls of prcvcntin g and rcdncing radiation injury. A rw-iclw of the lit.cratnrc~ tlcaling \vii II radiation is provided; a glossarv of trlws cwmmonly etnl~lo~~c4 in tliscnssing tnclintion therapy and a bibliography- liarc~ Iwit included. The anthor reminds us that man has lwcn subjc~ctrd 10 ionizing radial ion constantly since tintc began. With the increawd use oi’ s-tadiation for mcdicnl and dental pnrposcs, mankind is subjwtcd to an inc~wasc~latuount of s-1radiut ion t hc effects of wlkich suggest a strong relationship lwt\vcvn high radioactivit>- ant1 increased mutation rate. The answer to how much radiation is safe can be siatctl in the following \vords, according to the author: . ’ There is no authoritat i\vl sours or agency that has attempted or intends to clietato to pIlysici;lrks 01 clcbntists the amount of specific-area s-radiation l~tyond \yhiclt I hcy must wstricl ~spos~~rc in spite of diagnostic need. ” Among subjects treated arc the t’undamcnt;tl cffwts oi’ radiation on mat t cl* and t lie l)rcveiition of radiation injury, \vhich is hcu~ csplained in dd-ail. ()rllrotlontists can gain a great deal hy folloxviii, 0‘ t llc tlitwtions contained in 1hi5 book as t hcy ;tttcmpt to reduce s-ra,diation danacar* to thcnrwlvw. to the Iwrso~~nc~l in tlicxir offiws, and. above all, to their patients. J. il. 8.
Periodontology
By A. Bryan John Wright
Wade, B.Ch.D., P.D.S.Ii.C.S., Sons, Ltd. 303 pages. Price,
Cc
London,
Englwnd.
Bristol,
1960,
$10.00.
This text is written from the biologic approach in the presentation of the development, etiology, and pathology of periodontics. The chapter on treatment is intensely practical and COVCI’Ssuch items as scaling and polishing, occlusal equilibration, and stabilization of excessively mo\-able teeth. The construction of appliances for immobilization of teeth is illustrated and described in the text. The use of acrylic veneers in the retention of medicamcnts is fully described. With regard to occlusal equilibration, the author states: “Selective grinding is a precise scientific procedure with definite rules which must not he revoked under any circumstances whatsoe\-cr. It consists largely of re-shaping cuspal planes without changing the vertical dimension of the masticatory mechanism.” The book has a detailed index for easy reference. J. A. S. Radiation
Protection
By Arthur C.
I’.
Moshy
and
Dentistry
H. Wuehrzann, Company.
238
D.M.D., pages,
Bimknghana,
illustrated.
Ala. Price,
St.
Louis,
1.960,
l’he
$6.50.
The use of the x-ray for diagnostic purposes, at one time pursued with abandon, in late years has become a matter of concern to the public and the medical and dental profession. While opinions on the harmful biologic and genet,ic effects of ionizing radiation arc far from unanimous, there is much information with which the orthodontist should be familiar. Knowledge of how to avoid unnecessary ionizing radiation will enable tl~ ol%hodontist to answer the questions asked by patients concerning the safety of taking x-ray films and protect the x-ray machine operator from unnecessary exposures.
This t,est is one of the postgraduate Icctuw series conducted at the 1.nivarsity of Alabama. It deals with the fundamental effects of radiation and the mc+liotls of prcvcntin g and rcdncing radiation injury. A rw-iclw of the lit.cratnrc~ tlcaling \vii II radiation is provided; a glossarv of trlws cwmmonly etnl~lo~~c4 in tliscnssing tnclintion therapy and a bibliography- liarc~ Iwit included. The anthor reminds us that man has lwcn subjc~ctrd 10 ionizing radial ion constantly since tintc began. With the increawd use oi’ s-tadiation for mcdicnl and dental pnrposcs, mankind is subjwtcd to an inc~wasc~latuount of s-1radiut ion t hc effects of wlkich suggest a strong relationship lwt\vcvn high radioactivit>- ant1 increased mutation rate. The answer to how much radiation is safe can be siatctl in the following \vords, according to the author: . ’ There is no authoritat i\vl sours or agency that has attempted or intends to clietato to pIlysici;lrks 01 clcbntists the amount of specific-area s-radiation l~tyond \yhiclt I hcy must wstricl ~spos~~rc in spite of diagnostic need. ” Among subjects treated arc the t’undamcnt;tl cffwts oi’ radiation on mat t cl* and t lie l)rcveiition of radiation injury, \vhich is hcu~ csplained in dd-ail. ()rllrotlontists can gain a great deal hy folloxviii, 0‘ t llc tlitwtions contained in 1hi5 book as t hcy ;tttcmpt to reduce s-ra,diation danacar* to thcnrwlvw. to the Iwrso~~nc~l in tlicxir offiws, and. above all, to their patients. J. il. 8.