Related Experiment Video
Updated: Aug 6, 2026

07:32
Measuring Maxillary Posterior Tooth Movement: A Model Assessment using Palatal and Dental Superimposition
Published on: February 23, 2024
The correlation between root canal patterns and interorificial distance in mandibular first molars
Hale Cimilli1, Gonca Mumcu, Tan Cimilli
1Department of Endodontics, Faculty of Dentistry, Marmara University, Istanbul, Turkey.
Summary
The distance between the mesiobuccal (MB) and mesiolingual (ML) orifices and canal curvature in mandibular molars are key factors for evaluating root canal anatomy. This study found interorificial distance predicts canal curvature patterns.
Area of Science:
- Endodontics
- Dental Anatomy
- Radiology
Background:
- Understanding root canal morphology is crucial for successful endodontic treatment.
- The relationship between pulp chamber floor anatomy and root canal curvature requires further investigation.
Purpose of the Study:
- To investigate the relationship between mesiobuccal (MB) and mesiolingual (ML) orifice distance (interorificial distance) and root canal curvature in mandibular first molars.
- To identify predictive factors for root canal anatomy.
Main Methods:
- 102 extracted mandibular first molars were analyzed in vitro.
- Teeth were radiographed in buccolingual (CV) and mesiodistal (PV) directions and classified using the Vertucci system.
- Interorificial distance was measured using a stereomicroscope.
Main Results:
- A significantly higher interorificial distance was observed in Vertucci type IV compared to type II canals (P = .016).
- Increased ML canal curvature in the buccolingual view (CV) predicted increased ML canal curvature in the mesiodistal view (PV) (P = .01).
Conclusions:
- Interorificial distance and buccolingual (CV) primary curvatures are significant factors in evaluating root canal patterns in the mesiodistal view (PV).
- These findings aid in predicting complex root canal anatomy in mandibular molars.
Related Concept Videos
Teeth
The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...
Tooth Anatomy
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.