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1 REFERENCES 1. Barabash RD, Levickij AP. Kazeinoliticheskaja i BAJeJe-jesteraznaja aktivnost' sljuny i sljunnyh zhelez u krys v postnatal'nom ontogeneze. Bjul. jeksperim. biologii. 1973;8: Barabash RD, Levickij AP. Dinamka zahvorjuvanost na patologju shhitopodbno zalozi v Ukran. Mezhdunar. jendokrinol. zhurnal. 2011;3(35): Levickij AP, Marchenko AI, Rybak TL. Sravnitel'naja ocenka treh metodov opredelenija aktivnosti fosfataz sljuny. Lab. delo. 1973;10: Levic'kij AP, Makarenko OA, Hodakov V, Zelenna JuV. Fermentativnj metod ocnki stanu kstkovo tkanini. Odes. med. zhurnal. 2006;3: Mishunina TM, Bogdanova TI, Kalinichenko OV, Pil'kevich LI. Harakteristika eksperimental'nih modelej zoba u shhuriv. Endokrinologja. 2005;10(2): Buriak VN, Murashko ES. Peculiarities of thyroid pathology in the childhood. Lik. Sprava. 2012;5: Zarate DAS. Determination of ph and total proteins in saliva in patients with and without fixed orthodontic appliances (pilot study). Revista Odontologica Mexicana. 2004;8(3): Ong CK. Orthodontic tooth movement in the prednisolone-treated rat. Angle Orthod. 2000;70(2): Patel A, Burden DJ, Sandler J. Medical disorders and orthodontics. J. Orthod. 2009;36: Bollen AM. The effects of orthodontic therapy on periodontal health. A systematic review of controlled evidence. J. Am. Dental Association. 2008;139(4): Yu K. The pharmacokinetics of perchlorate and its effect on the hypothalamus-pituitary-thyroid axis in the male rat. Toxicol. Appl. Pharmacol. 2002;182(2): Villarino ME, Lewicki M, Ubios AM. Bone response to orthodontic forces in diabetic Wistar rats. Am. J. Orthod. Dentofacial. Orthop. 2011;139(4): Zhang YL, Frangos JA, Chachisvilis M. Mechanical stimulus alters conformation of type 1 parathyroid hormone receptor in bone cells. Am. J. Physiol. Cell. Physiol. 2009;296(6): : , (....,... ), 49044, SE "Dnipropetrovsk medical academy Ministry of Health of Ukraine" prosthetic dentistry department Dnipropetrovsk, 49044, Ukraine dsma@dsma.dp.ua : -,, Key words: stress-strain state of teeth, periodontal disease, prosthetic treatment ,.. - -, -, - -,.,,, 2,75, 6,75 9,0 (<0,05). 100

2 ,, 4,08; 5,04; 9,6 (<0,05)., - 0,135±0,051, (>0,05).,, 1,6±0,50 (>0,05). Abstract. Mathematic modeling of stress-deformed states of low jaw teeth while using combined removable splint-denture. Albert Ye.L., Lysko O.I. The article presents the results of mathematical modeling and analysis of the stress-strain states of the lower incisors in the 1-st, 2-nd and 3-d degrees of inflammatory degenerative process in the periodontium; and while using combined splint-denture with continuous vestibular-oral clasp and polyoxymethylene framework. It is proved that reduction in height of interdental septa observed in periodontitis increases tooth mobility by 2.75 times in the first degree of the pathological process; by 6.75 times - in the second degree; and by 9.0 times in the third degree (p<0.05 ). The pressure on the bone tissue transmitted through the teeth exceeds physiological one by 4.08; 5.04; 9.6 times for different degrees of severity of periodontal disease (p<0.05). In its turn, use of the proposed design of splint-denture reduces movement of the lower incisors in average up to 0.135±0.051 mm, that is equal to physiological parameters (p>0.05). At the same time, the stress, transmitted on the alveolar bone tissue is near the values of intact periodontium (p>0.05), 1.6±0.50 Mpa on average. -,. - [2]. -,,, [4]., - -, - (), -- - [5]., (1994) ( 1/3 ; 1/2; 2/3) [1], - -, - (. 1) [3]. ' ' -,., -, ', , - «T- Flex» (. 2).,,, (, -,,,, ), -. -, 13/ XVIII / 2 101

3 ,,,,,, [5]., -, : - - -, ,, -,, -, -, -. -,, - :., -.,.,, , -, -., : ; ; ( ) 100 -,, - 0,12±0,

4 0,33±0,09 ; 0,81±0,37 ; - 1,08±0,39.,, 2,75, 6,75 9,0 (<0,05)., ,135±0,051 (<0,05).,, 2,4±0,78., -, - 10,2±3,0, 12,6±3,9 24,0±7,6.,,, - 4,08; 5,04; 9,6,, ,6±0,50, - -.,, -. (. 3). -., 1/3, 2,1 2, :,. - 2/3 -, - -., -, -, -,,., -, (>0,05)., -,, -,,. -,. 1...,, - : /..,..,... -:.., /..,.. // , 61 13/ /..,.., -.. [.] (UA). - u ; ; , /.. // : - /..,....: -, / XVIII / 2 103

5 REFERENCES 1. Melnichuk GM, Rozhko MM, Zaverbna LV. GIngIvIt, parodontit, parodontoz: osoblivosti likuvannya. Ivano-FrankIvsk: BV. 2011; Nespryadko VP, Zhdanovich IO. Ortopedichna skladova kompleksnogo likuvannya generalizovanogo parodontitu. Sovrem stomatologiya. 2012;1: Albert EL, Gromov OV, Zubko VV. Pat UkraYina, MPK A 61 S 13/00. KombInovana znimna shina-protez dlya likuvannya zahvoryuvan parodonta. UA. - N u ; zayavl ; opubl , Byul. N TrofImenko OA. Shlyahi optimizatsiyi obgruntuvannya viboru konstruktsiy zubnih proteziv pri zahvoryuvannyah tkanin parodonta Sovrem. stomatologiya. 2007;2: Chuyko AN, Shinchukovskiy IA. Biomehanika v stomatologii: monografiya. H: Izd-vo «Fort». 2010; (477.75)..,..,..., 65000, SE «The Institute of Dentistry of the NAMS of Ukraine» Odessa, 65000, Ukraine :,,, Key words: children, basic dental diseases, fissures of molars, electrometyr.....,..,..,, -,. 6-7,, '., (1-. ). (,,,,,,, ), (PMA %,, -, CPITN) (Silness-Loe, Stallard) , 6-7, -,. Abstract. The prevalence and intensity of the main dental diseases in children of Simferopol. Bushma N.V., Kosenko K.N., Denga O.V. At present, despite the availability of modern effective oral hygiene means and prevention of dental diseases, which reduced their intensity, disease prevalence remains high. One method of dental caries preventing in children aged 6-7 years is a fissure sealing of molars, the most vulnerable areas of the newly erupted teeth, having a number of problems associated with a complex fissures relief. The purpose of this study was to investigate the prevalence and intensity of dental diseases and their development trends, as well as indicators of 104