The Ness Visual Dictionary of Dental Technology
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| Term | dissectional groove |
| Pronunciation | (dih-SEK-shuh-nul, diy-SEK-shuh-nul) groov |
| Variations | primary groove, developmental groove, sulcus |
| See also | dissectional, central dissectional groove |
| Definition | A groove that divides a posterior tooth into two distinct parts. A dissectional groove breaks through the occlusal table, whereas secondary grooves do not. |
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dissectional groove
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