Show e's Page 4 Thursday October 31 1968 Safe Snacking? enjoys occasional snacks for energy the Moreover teenagers and many older people are compulsive nibblers Nibbling would cause no anxiety if frequent eat Everyone l or sociability However people who have never eaten refined foods rarely their have cavities although mouths are full of bacteria This fact has led scientists at the National Institute of Dental Research and elsewhere to try to find out which of the factors removed from foods in the processes of refining cleaning and cooking can prevent tooth decay It is known that peanut shells and hulls from cereal grains ing particularly of sweets did not lead to gain of weight and tooth decay Today dental research gives hope that snack foods may be developed that help prevent decay Bacteria held close to tooth surfaces in a film of plaque ferment certain foods and form acids that damage the enamel The danger of decay increases with the length of time that these foods are in the mouth sumption In other studies the snacks actually eaten by people suffering from serious tooth decay called rampant caries were fed to rats to learn which foods 8 SMW 8 -- Ssyf 55$ i 3 $ O §o n ft 20 S r w Pjq g 5B — O Si 5m IO o 0 01 ? I T3 3 ca 5 yl Z I oh 2 o ar OI? R m m 8 z ? rZm X n 8 E Q X n 8 r 8 6f z Si 70 m 90 5 § a & 8 r g? r rI U x 39 c r 8 O?S 2 Z r70 5 m m E m s i it o at gl r £O m I Tits green white H's In each of national emblem clover with leaf Is the clubs X 8 m e C 00 70 o 5 a m4 9 ao 3 o C i? ir c C“ 2m £2o o ? i 73 O u periods which is what refining In time it is has accomplished hoped that further research will make it possible to improve dispositions and health smiles and teeth by eating certain snacks — s C la 8 s important ingredient in this respect Other studies of animal and human diets show that sticky foods increase decay whereas crunchy foods help to remove plaque films and cleanse tooth surfaces Adding certain salts to animal diets also seems to reduce decay although no one seems to know why or how Today’s foods must be clean attractive and able palatable considerable for to keep Sucrose was the most ably damaging single item The investigators were curious as to why dog biscuit which does contain flour seems to help rather than harm rat teeth even when sugar is added to it Removing certain ingredients one by one to find out which were protective they found that certain phosphates molasses and meat all contribute somewhat to prevention of decay with meat the most affected their teeth most Milk popcorn peanuts dog biscuit (which some children ate) lettuce cabbage and corn chips did not cause caries Some acid foods such as citrus fruits eroded enamel but did not cause cavities However as soon as refined flour or cornstarch was used all increased and caries cookies cakes candies sugared soft drinks and sweet fruits creased dental decay consider give young rats tooth protection even for teeth that erupt after the diet has this Unfortunately changed factor is destioyed by the amount of heat necessary to cook cereals for human con- Si m I- g - - w o 3 O Z o c 5 G E 8 zo 3 lt TO ii 4 " s v S !g o 3 3 3 () m r a - H ess tr f ttl O c HI 3 a 3 tr a 8 90 o ti § Q 5? P a 3 S P 5 o 5 3 3 x X 3 o 2 5 n w - 0 0 rr a k m g X Cl 2 F8 n S Z 3 0 2 35 if i Iff g3 ( to ) m to CD s 3 txH o 5 3 CD ss O w-- iE ESe O w 355 OH tj T CD £ f w rt n in ?a 5 a a 3 0 0 3 2 a § 2 S S rr a -- On 3 h n 5 3 X n Cf 2 s- 3 CD cjn t 2 s' 3 § 2! 5‘ i2 5£ 5 co ig 53'S sa03'g- - 2 o'-- CO D 0 A 2?e 5 y S' o uc 2 a 3 a 3 CD 51 ft 8 o 8 cd" “00 - Oz 2 O o 3 o C sm If S a a S x 3 a e "9 a 7 S 8 EiPiifilfs o 0 5 rr Jills 3 o P m Sis S c i osfJ O O 1 ' r - D) " ft "3 0 t a 2 S’ n M y g s SO 3 1ml 3 f o &) vs Irss 3 3 2 o S c CD o S hs r 5 CD 2 sWK i oo tr u o a I oz o rs O gw hJiii s rtohum t 3x a x 111 go 4 P Ut H J" () sr a a o c 2 3 o 5 4 o2 70 Z 3 eg-- ZH o 25 fl m 3 t 3 Z 3 8 OH § 33 1 m o 2 3x m H a s0 £ to m Z m O S C sfwjf c25 1 tj m S’ 3 O rm O a 3 3 a -- O 90 ca ifi O O 0- -3 a tr ? c 3 I tr Z H r no3 3 a 90 ? A c il 3 f o r — —' on r 3 O m °° h -- to lopl |