He tomokanga porotaka ki waenganui o te niho hei ārahi ngāwari i te waea āwhata. He māmā te whakahaere. He kaha here teitei, he poraka kotahi te āhua e rite ana ki te hoahoa turanga piko o te karauna niho molar, he mea whakauru katoa ki te niho. He kōhao o te niho hei whakanoho tika. He taupoki mokowā kua paku whakawirihia mō ngā ngongo hurihuri.
Mā te koki whakamuri o te tomokanga ki te taha tata o ngā niho ka āwhina i ngā rārangi piko ki te ārahi i te piko o te niho, kia māmā ake ai te whakarerekē i te tūranga o ngā niho, kia rite ai ki te mahi whakatikatika niho.
Ko te hoahoa o te turanga mata ngaru he mea hanga kia tutuki ki te turanga piko o ngā niho molar. Ka taea te whakauru katoa ki ngā niho, kia pai ake ai te whakahaere i ngā mahi whakatikatika niho, kia māmā ake ai te whakatutuki i ngā pānga whakatikatika.
Ka taea te whakamahi i te whakawhāiti poto hei whakanoho tika i ngā niho, kia taea ai te whakahaere tika ake i te nekehanga o ngā niho ina taea te whakatika i ngā mahi whakatikatika niho, ā, kia pai ake ai te pānga whakatika.
Kua whakairohia te tau, kia māmā ake ai te tautuhi i te tūranga, kia māmā ake ai te tāuta i te tiihi me te ngongo mata.
| Pūnaha | Ngā niho | Taipana | Whakakorenga | Tomo/puta | whānui |
| Roth | 16/26 | -14° | 10° | 0.5mm | 4.0mm |
| 36/46 | -25° | 4° | 0.5mm | 4.0mm | |
| MBT | 16/26 | -14° | 10° | 0.5mm | 4.0mm |
| 36/46 | -20° | 0° | 0.5mm | 4.0mm | |
| Tapawhā | 16/26 | 0° | 0° | 0.5mm | 4.0mm |
| 36/46 | 0° | 0° | 0.5mm | 4.0mm |
| Pūnaha | Ngā niho | Taipana | Whakakorenga | Tomo/puta | whānui |
| Roth | 17/27 | -14° | 10° | 0.5mm | 3.2mm |
| 37/47 | -25° | 4° | 0.5mm | 3.2mm | |
| MBT | 17/27 | -14° | 10° | 0.5mm | 3.2mm |
| 37/47 | -10° | 0° | 0.5mm | 3.2mm | |
| Tapawhā | 17/27 | 0° | 0° | 0.5mm | 3.2mm |
| 37/47 | 0° | 0° | 0.5mm | 3.2mm |
*50/huinga
1. Tukunga: I roto i ngā rā 15 i muri i te whakaūnga o te ota.
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