4. Ma diaphragms okhala ndi makulidwe osiyanasiyana akhoza kugwiritsidwa ntchito, ndipo chivundikirocho chimatha kuzungulira kuti chikuyenderere ntchito.
5. Kugwiritsa Ntchito Kwambiri
Kuumba ndi kupanga bracered braces, ndikupanga madontho a Orthodontic ndikupanga ma dengurimu, ndikupanga mabatani osakhalitsa ndi makwerero oteteza mano.