Tratado de ortodoncia

Department

All communications ance of articles

of Orthodontic

Abstracts

and Reviews

concerning further Information about abstracted material and the acceptor books for consideration in this depurtmcnt should be addressed to Dr. J. A. Salzrwmn. 654 Madison Avenue. New York City

Atijurrto tl~ (h-tode Ortodoncia. I-:y Amando 15. Jlorrfi. PIW~CSSOI~ rionci;r eon 0doritologi;i I,cgal dtl 1;1 F;lc~ult;r(l dc (‘irricias Jfcdicas dc l~uc~nos nircs. .Jcfc tie 1;1 tlivisiorl C)tlontolo~ic~a tlr la l~irwc~iou cle Natcrnidad (1 ISr~t’aJlc*ia, s~JhliJwtoJ* tlcl IJistituto tic Or~toc~orrtolog.ia, Odontologis Ityal c I listor.i;r (1~ la Otlontologia. de la Fwlutad de Ciencias Medicas dc Burrios Airw I’~wlopo &I T)r. *Juan T’. Carwa, Professor T&rrlar de hr (‘Hte(lr;r (1~ Orfotlorr~iw COJIOtlorrtolo~ia Legal de la Fwultad de (%:nc+rs I\lcdicas dv Hucnos Airw. 2 ~1s. TJil~r(!Cr~y I’lditorial “El i\lJcJJco,’ ’ RII~JIOS Airw. 1912.

Tratado

Jionti has rwrdt~wd ir SigIlill scrviw lo the Spanish-slrcakirr~ dentists and orthodontists throughorri t IIC world 1r.v the puhlicnt ion of i his work. In these two volumes. the ;iirtlror has pathclrcti thr j)rinciplcs of art hodontivs from the st.andpoint of 1tic lr:rsicAwic~riccs. \‘olumc I is divided into riinc parts and discusscs thr history of orthodont iw ,. cpwwt II and tlc\clopmcnt of tlic c~raniurn and the jaws: riomenc~lat urtl : et iolog! of rrialocclusiori ; cli;rpriosis. classification. phonetics. propriosis. ilrld t IJcrapciit ks iJ1 oJ*tIiodoIlt iw lwsidcs IJlC~~hilJliCS. Yolumc II includes thv study of pathologic c~hariyvs of i 1ic t issrws, arJclJoragc, orthodontic forws. ant1 the Vill*iOllS ;Jppli;rrJws wtl~Jloycd in oJ~tlJotloJlt its. III wriclusiori. il scr%s of (~1s~’rvpoi~fs is prcwntcd with outlinw of trcatrnent of CilC h CRSC. 111 tlltr chaptw 011 the history of orthodontics, fiIoriti prcscnts summaries of the wntritnctions of outstan(lin g orthodorrtists to 1941. Keith and Clampion are the source of most of the cahrrpter on gwwt 11 and dc\clopmcnt of t tic head. In t Ire chapter 011 prowth of’ t hv twtli. cswll~~rit cwlor illiistrxtions arc included of rnoulagcs rn;~tlc 1)~ l’~‘oJ’~~ssorII. ,\l)rilta 01’ ~IIC~JJOS :1iws. The! chapters 011 the muscles of c?xprwsiorr and rnnst.iwtion arc JJrJusuall!well illustrat(v1 with :I weirlth of origirial tlrxninps irn(l I{opws JIIIISC~~C thrrzip~ is discussed in tlt~tail. ~~JlChoJ*ago

and illustrxtt~d

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tilt!

in gwat

f’OJ’WS

detail.

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t))-

OI’thO&HltiC

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of

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692

ORTHODONTIC

ABSTRACTS

AND

REVlEWS

trated. The construction of the various types of appliances is presented, with adequate illustrations. A valuable bibliography is appended. The Spanish-speaking orthodontist and dentist as well as the student of orthodont.ics, rcgardlcss OP the langungc hc speaks, will find here a work of encyclopedic proportions which will bc useful both as a text and as a book of reference to the contributions of l
Orthodontic

Analysis :

74-17: January,

By G. I’. 1944.

Walker,

R.D.S.,

Nezu

Zealand

D. J. 40:

The analysis was undertakrn to find, if possible, any further indications as to the causes of the appalling dental condition of the people of Xew Zealand a.nd possible means for 1heir allcviat ion, or fields where further research is needed.

The material was supplied hy the Orthodontic Department of the Dental School of Otago, New Zealand, and covers cases during approximately the last eight years. CAI:SES

OF JIAI,OCCI.USION

(ANGLE

CLASSIFICATION)

Class I: Cases General Lack of Development. : (a) Prcmat.urc loss of deciduous molars _- ______ - __-______ - _____ - 216 (144 had history of close-bitt) 286 (b) Lack of dcvrlopment, of alveolus ____ -_- _____________________ (94 had history of close-hitc) Interference AYith Normal I)evclopment : (a) Specific habit. ol’ finger- and thumb-biting, etc. _______________ (b) Retention 01: dccaiduons teeth -_-_-___-_--________ -_---_-__ (c) Lost of first pcrmanrnt, molars prematurely _--_____-_-_-__-_ (d) Abnormal frenum ----------_-______ --_-_-_--__-_-_--_--__ Causes Indefinite or I!nknown -_-------__-_-_-__--___________________

64 9 9 2 37

623 CIass II: Cases General Lack of Developmrnt : 63 (a) Underdeveloped maxilla and mandible ____ -__-_____ -___-___17 (b) Premature loss of deciduous teeth -_-__- ______-____ --_-___-__ Interference With Development : (a) Specific habits : Finger- and thumb-sucking ______ - __-_______ __--_- - _- -_-_-_Mouth breathing ------_-_---_-_--_--____________________~~ Causes Unknown __- _____ -_-_-_---__-_-_-----_______ ______ -_-___-__

36 47 18

181