The intensity of masticatory forces in front-teeth

Intenzitet izraženih žvačnih sila ovisi između ostalog, o stanju zubi i njihovih potpornih struktura. Autori, na osnovu uočenih fenomena u dosadašnjem izučavanju žvač­nih sila i njihova mjerenja, istražuju odnose između stanja zubi prednjeg segmenta i maksimalno izraženih žvačnih sila. Primjenom kanoničke korelacijske analize dobivene su visoke pozitivne korelacije žvačnih sila s intaktnim zubima u sva tri segmenta, s najvišim vrijednostima u prednjem segmentu: 0.62 u muških, a 0.51 u ženskih is­pitanika. Međutim, u prednjem segmentu pojavljuju se relativno visoke ali ne­gativne korelacije žvačnih sila s ispunima i protetskim radovima, koje u muških ispitanika iznose (—0.36) za obje varijable, a u ženskih ispitanika (—0.19) i (—0.20). Rezultati upućuju na zaključak, da osim patološkog nalaza, i terapijska sredstva koja se primjenjuju na prednjim zubima pokazuju negativne korelacije sa žvačnim silama u sva tri segmenta.The intensity of masticatory forces depends, among other factors, on the status of the teeth and their supporting structures. Relationship bet­ween the state of the anterior segment of teeth and maximally expressed masticatory forces was studied on the basis of the phenomena observed in the investigation of masticatory forces and their determination repor­ted. Employing the cannon correlation analysis, high positive correlations between masticatory forces and intact teeth in all the three segments were obtained, with the highest values observed in the anterior segment, i. e. 0.62 and 0.51 in males and females, respectively. In the anterior segment, however, relatively high negative correlations were recorded between masticatory forces on the one hand, and fillings and prosthetic constructions on the other. In males, they were —0.36 for both variables, whereas in females they were —0.19 and —0.20 for fillings and prostheses, respectively. Thus, the results suggest a conclusion that besides apathologic finding, therapeutic tools used in anterior teeth also produce negative correlations with masticatory forces in all the three segments