Tsakin tsakiya na tsakiya shi ne nau'i na haɗin gwiwa, wanda ƙuƙwalwar da ke ɗauke da ƙananan yatsan suna da daidaito kuma mafi girman ƙananan ƙetare a bangarorin biyu. Saboda wannan, lokacin da aka haɗa jaws, iyakar adadin maki sun tuntube juna, wanda ya haifar da samuwar ɓataccen kuskure . Maganganu masu mahimmanci suna ko da yaushe a ainihin tushe na gangara maraƙi.
Alamun tsakiya na tsakiya
Babban alamomin tsakiya na tsakiya shine:
- kowane ƙananan ƙananan ƙuƙƙwarar ƙuƙƙwarar ƙuƙƙwarar ƙuƙƙwarar ta rufe shi (sai dai ƙananan ƙananan haɗari da ƙananan haɗuwa);
- a gaban sashin, cikakken dukkanin ƙananan hakora ya janye ƙananan hakora ba tare da fiye da 1/3 na kambi ba;
- haɗin hagu na dama yana haɗi tare da ƙananan hakora biyu, ya rufe su da 2/3;
- da haɗuwa da ƙananan jaw suna tuntuɗa paladist tubercles na babba.
- Ƙungiyar kwalliya ta kasa da ke ƙasa a kan ƙananan muƙamuƙi an rufe ta da babba;
- Turancin tubercles na ƙananan muƙamuƙi suna tsakiyar tsakanin harshe da buccal;
- Tsakanin ƙananan da babba babba tsakiyar tsakiyar lokaci yana cikin wannan jirgin.
Definition na tsakiya occlusion
Akwai hanyoyi da dama don ƙayyade tsakiyar ɓoye:
- Dabarar aiki - magunin mai haƙuri ya dawo, likita yana sanya takarda yatsun a kan hakora na ƙananan jaw kuma ya sanya sasanninta na musamman a kusurwar baki. Mai haƙuri yana dauke da maɓallin harshe, ya taɓa fadar sararin sama da haɗiye a lokaci guda. Lokacin da bakin ya rufe, zaku iya ganin yadda hakorar ta rufe.
- Dalili na kayan aiki - yana samar da amfani da na'urar da ta rubuta ƙungiyoyi na jaws a cikin jirgin saman kwance. Lokacin da kayyade tsakiyar kwance tare da rashi hakorar hakora, ƙuƙwalwar ƙananan yatsun da aka ƙwaƙwalwa ta hannunsa, danna kan ƙwan zuma.
- Hanyar ilimin Anatomical da na ilimin lissafi - ƙuduri na jihar a cikin sauran kwayoyin halitta.