13 October 2021 : Clinical Research
Comparing the Traditional Versus Conservative Endodontic Access Cavities Design of the Maxillary First Molar: Using Cone-Beam Computed Tomography
Huachao Sui1ABE, Bo Zhao2ABE, Haidan Nie3BE, Xin Hao1BG, Feng Qiao4C, Cuicui Sun3C, Changyi Li5G, Liwen Zhou3E, Ligeng Wu3AG*DOI: 10.12659/MSM.932410
Med Sci Monit 2021; 27:e932410
Table 1 Symbols used and descriptions of the 16 CBCT measurements.
| Symbols | Clinical meanings | |
|---|---|---|
| (x, y) | x | Buccal-lingual distance: the distance from the buccal marginal ridge to the lingual marginal ridge |
| y | Mesio-distal distance: the distance from the mesial marginal ridge to the distal marginal ridge | |
| (x, y) | x | x-Coordinate of MB pulp horn: the distance from the MB pulp horn to the buccal marginal ridge |
| y | y-Coordinate of MB pulp horn: the distance from the MB pulp horn to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of DB pulp horn: the distance from the DB pulp horn to the buccal marginal ridge |
| y | y-Coordinate of DB pulp horn: the distance from the DB pulp horn to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of MP pulp horn: the distance from the MP pulp horn to the buccal marginal ridge |
| y | y-Coordinate of MP pulp horn: the distance from the MP pulp horn to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of DP pulp horn: the distance from the DP pulp horn to the buccal marginal ridge |
| y | y-Coordinate of DP pulp horn: the distance from the DP pulp horn to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of MB orifice: the distance from the MB root canal orifice to the buccal marginal ridge |
| y | y-Coordinate of MB orifice: the distance from the MB root canal orifice to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of DB orifice: the distance from the DB root canal orifice to the buccal marginal ridge |
| y | y-Coordinate of DB orifice: the distance from the DB root canal orifice to the mesial marginal ridge | |
| (x, y) | x | x-Coordinate of P orifice: the distance from the P root canal orifice to the buccal marginal ridge |
| y | x-Coordinate of P orifice: the distance from the P root canal orifice to the mesial marginal ridge | |
| MB – mesiobuccal; DB – distobuccal; MP – mesiopalatal; DP – distopalatal; P – palatal; CBCT – cone-beam computed tomography. | ||