Te whakamahinga o te karuārai niho hei rongoā i ngā mate pulp me ngā mate periapical

Ngā karuārai pokangae rua ngā painga o ēnei, arā, te whakanui me te whakamārama, ā, kua neke atu i te haurua rautau te whakamahinga i roto i te ao hauora, ā, kua tutuki ētahi hua.Ngā karu hiko whakahaerei whakamahia whānuitia, i whakawhanakehia hoki i roto i te pokanga taringa i te tau 1940, ā, i roto i te pokanga kanohi i te tau 1960.

I roto i te mara o te mahi niho,ngā karuārai pokangai whakamahia ki te whakakī niho me te maimoatanga whakaora i te tīmatanga o te tekau tau atu i 1960 i Ūropi. Ko te whakamahinga ongā karuārai mahii tīmata i roto i ngā mahi endodontics i te tekau tau atu i 1990, i te wā i pūrongo tuatahi ai te tohunga Itari a Pecora i te whakamahinga ongā karuārai nihoi roto i te pokanga endodontic.

Ka whakaotihia e ngā tākuta niho te maimoatanga o ngā mate pulp me ngā mate periapical i raro i tekaru tirotiro nihoKa taea e te karuārai niho te whakanui ake i te rohe, te tirotiro i ngā hanganga pai ake, me te whakarato i te puna mārama e tika ana, e āhei ai ngā tākuta niho ki te kite mārama i te hanganga o te awa pakiaka me ngā kiko periapical, me te whakaū i te tūranga pokanga. Kāore e whakawhirinaki ana ki ngā kare ā-roto me ngā wheako anake mō te maimoatanga, ā, ka whakaitihia te koretake o te maimoatanga, ka whakapai ake hoki i te kounga o te maimoatanga mō ngā mate pulpal me te periapical, ka taea ai e ētahi niho kāore e taea te tiaki mā ngā tikanga tuku iho te whiwhi maimoatanga whānui me te tiaki.

A karuārai nihokei roto ko tētahi pūnaha whakamārama, he pūnaha whakanui, he pūnaha whakaahua, me ā rātou taputapu. Kei roto i te pūnaha whakanui he karu tirohanga, he ngongo, he karāhe arotahi, he whakatikatika whakanui, me ētahi atu, e whakarite tahi ana i te whakanui.

Te tango i te CORDERKaruārai niho ASOM-520-DHei tauira, ko te whakanui o te karu tirohanga kei waenga i te 10 × ki te 15 ×, ko te whakanui e whakamahia whānuitia ana ko te 12.5X, ā, ko te roa arotahi o te karu tirohanga kei roto i te awhe 200 ~ 500 mm. E rua ngā momo whakahaere o te karu tirohanga: te whakatikatika hiko kore-taahiraa me te whakatikatika whakanui ā-ringa tonu.

Ko te pūnaha whakamārama o tekaruārai pokangae whakaratohia ana e te pūtake mārama muka whatu, e whakarato ana i te māramatanga kanapa whakarara mō te tirohanga whānui, ā, kāore e puta he atarangi i te wāhi o te pokanga. Mā te whakamahi i ngā karāhe karu-rua, ka taea te whakamahi i ngā kanohi e rua mō te tirotiro, ka whakaiti i te ngenge; Whiwhi i tētahi whakaahua mea toru-ahu. Ko tētahi tikanga hei whakaoti rapanga i te raruraru āwhina ko te whakauru i tētahi whakaata āwhina, ka taea te whakarato i te tirohanga mārama rite ki te taote pokanga, engari he nui te utu mō te whakauru i tētahi whakaata āwhina. Ko tētahi atu tikanga ko te tāuta i tētahi pūnaha kāmera ki runga i te karuārai, te hono atu ki tētahi mata whakaatu, ā, ka taea e ngā kaiawhina te mātaki i runga i te mata. Ka taea hoki te whakaahua, te tuhi rānei i te tukanga pokanga katoa hei kohikohi i ngā pūkete hauora mō te whakaako, te rangahau pūtaiao rānei.

I te wā e rongoatia ana ngā mate pulp me ngā mate periapical,ngā karuārai nihoka taea te whakamahi mō te tūhura i ngā pūaha o te awa pakiaka, te whakawātea i ngā awa pakiaka kua whakapūkaratia, te whakatika i ngā pūaha o te pakitara o te awa pakiaka, te tirotiro i te āhua o te awa pakiaka me te whai huatanga o te horoi, te tango i ngā taputapu pakaru me ngā puranga awa pakiaka pakaru, me te mahipokanga moroitingā tikanga mō ngā mate periapical.

Ki te whakatauritea ki te pokanga tuku iho, ko ngā painga o te pokanga moroiti ko: te tūnga tika o te pito o te pakiaka; he nui ake te whānuitanga o te tango wheua i roto i te pokanga tuku iho, he nui ake i te 10mm, he rite rānei ki te 10mm, ko te whakangaromanga wheua i roto i te pokanga moroiti he iti ake i te 5mm, he rite rānei ki te 10mm; i muri i te whakamahi i te karuārai, ka taea te tirotiro tika i te āhua o te mata o te pakiaka niho, ā, he iti iho i te 10° te koki o te pari tapahi pakiaka, he nui ake te koki o te pari tapahi pakiaka tuku iho (45°); te kaha ki te tirotiro i te isthmus i waenganui i ngā awa pakiaka i te pito o te pakiaka; te kaha ki te whakarite me te whakakī tika i ngā pito o te pakiaka. Hei tāpiri, ka taea te kimi i ngā tohu ā-tinana noa o te wāhi whati pakiaka me te pūnaha awa pakiaka. Ka taea te whakaahua, te tuhi rānei i te tukanga pokanga hei kohikohi raraunga mō ngā kaupapa haumanu, whakaako, rangahau pūtaiao rānei. Ka taea te whakaaro kongā karuārai nihohe pai te uara tono me ngā tūmanakohanga mō te tātaritanga, te maimoatanga, te whakaako, me te rangahau haumanu mō ngā mate penupenu niho.