근관치료 절차의 치료 기간

직접 시야 하에서 치료된 환자

직접 육안 검사만을 사용하여 확대 없이 수행된 상악 제1대구치의 근관 치료.

치과 루페를 사용하여 치료받은 환자

상악 제1대구치의 근관 치료를 5배율 치과 루페를 사용하여 수행합니다.

치과용 수술 현미경을 사용하여 치료받은 환자

치과용 수술 현미경을 8×-16× 배율로 사용하여 상악 제1대구치의 근관 치료를 시행한 경우.

Duration of Each Procedural Step in Endodontic Treatment

The duration (in seconds) of each of seven key procedural stages performed during routine root canal treatment on maxillary first molar teeth:

1. Access cavity preparation
2. Working length determination
3. Canal shaping
4. MB2 canal detection and shaping
5. Final irrigation and passive ultrasonic activation
6. Root canal obturation
7. Coronal Restoration

The duration of each stage was recorded separately. In addition, the sum of the durations of these seven stages was recorded as the total treatment time.

Each stage was timed separately for three groups (direct vision, dental loupes, and dental operating microscope) to compare the effect of different magnification techniques on working efficiency.

Presence of MB2 Canal According to Magnification Technique

The presence or absence of a second mesiobuccal (MB2) canal in maxillary first molar teeth will be recorded for each magnification group (direct vision, dental loupes, and dental operating microscope). The association between the magnification method and MB2 canal detection will be evaluated using the Chi-square test (Monte Carlo simulation).