Maya kayan ado na hakori da aka yi da Jad, zinariya da sauran karafa masu daraja da duwatsu, mai yiwuwa ba wai kawai ya ba da "mai sheki" ga masu su ba, amma kuma ya kasance a matsayin rigakafin caries da periodontal cuta. Wannan kadara ta kasance da siminti, wanda ke makale da hakora na duk wannan kyawun, in ji masana kimiyya daga Mexico da Amurka.
Masu bincike na al'adun Mayan sun san cewa tsoffin wakilan wannan mutane sun kasance da sha'awar ba da murmushin karin kyau, wato, sun niƙa hakora ko kuma sun haƙa rami a cikin su don saka "cika" na jade, zinariya, turquoise, jet ko hematite. Hakanan an yi wannan don dalilai na al'ada: an manne cikawa ga incisors da canines a farkon balaga, sun kasance tare da mutum har rayuwa kuma tabbas suna da mahimmancin ruhaniya.
Duk wannan ƙawanci an haɗa shi da hakora tare da taimakon siminti na musamman. Masana kimiyya daga Jami'ar Mai cin gashin kanta ta Yucatan (Mexico), da Harvard da Jami'o'in Brown (Amurka) sun yi nazarin yanayinsa. Sun gabatar da bincikensu a cikin mujallar Archaeological Science: Rahotanni. An kwashe hakora masu ado daga wuraren binciken kayan tarihi a Guatemala, Belize da Honduras.
A cikin binciken, masanan sun gano kwayoyin halitta 150 wadanda aka fi samu a cikin resins na shuka. Dangane da wurin asalin hakori, siminti, kamar yadda ya fito, yana da nau'ikan nau'ikan abubuwa daban-daban, amma manyan abubuwan da suka dace iri ɗaya ne.
Cakudarsu ta yi ƙarfi sosai. Abu ne mai fahimta, domin hakora da aka lullube da kayan ado sun wanzu har yau. Har ila yau, masana kimiyya sun gano cewa irin waɗannan ƙulle-ƙulle a kan hakora ba kawai masu arziki ba ne, har ma da wakilan da ba su da nasara sosai. Da maza da mata.
Amma babban ƙarshen mawallafin aikin ya shafi kaddarorin warkewa na ciminti. Ya zama cewa yana da tasirin warkarwa da tsafta. Cakudar da aka yi amfani da ita, a cewar masu binciken, ta iya rage barazanar kumburi da cututtuka a baki, tun da daya daga cikin manyan sinadaran da ke cikinta shi ne resin Pine, wanda ke da sinadarin kashe kwayoyin cuta.
Biyu daga cikin cika takwas an rufe su tare da cakuda mai ɗauke da sclareolide, samfurin halitta wanda aka samo daga tushen shuka iri-iri, gami da sage da taba. Wannan abu yana da duka antibacterial da antifungal effects. Bugu da kari, yana da kamshi, don haka ana yawan amfani da shi wajen hada turare. Bugu da ƙari, masana kimiyya sun samo a cikin siminti mai mahimmanci na tsire-tsire na dangin mint, wanda kuma yana da tasirin maganin kumburi.
An yi haka ne da fasaha ta yadda ba kasafai ke shafar bangaren jijiya da tasoshin jini a tsakiyar hakori ba. Af, archaeologists sun san cewa Mayans sun kasance masu girmamawa game da tsabtace hakori, don haka ra'ayoyin masana kimiyya suna da kyau sosai: cakuda ciminti zai iya zama ba kawai don gyara karafa da duwatsu masu daraja ba, amma har ma don hana caries da cututtuka na periodontal.
