Related Experiment Video
Updated: Aug 20, 2025
07:26
Systematic Assessment of Mammalian Skull Specimens for Dental and Temporomandibular Joint Pathology
Published on: August 22, 2022
1.5K
The Pattern of Tooth Loss for Periodontally Favorable Teeth: A Retrospective Study
Peter Yanni1, Donald A Curtis2, Richard T Kao3
1Private Practice, Roseville, CA 95661, USA.
Biology
|November 24, 2022
Summary
Teeth previously treated with root canals face higher risks of early loss from decay, infection, or fracture. Factors like certain medications and deep periodontal pockets also increase tooth loss risk, even for initially healthy teeth.
Area of Science:
- Dentistry
- Periodontology
- Endodontics
Background:
- Tooth loss can occur despite a favorable initial prognosis.
- Identifying factors contributing to early tooth loss is crucial for patient outcomes.
Purpose of the Study:
- To retrospectively analyze local and systemic factors leading to short-term tooth loss.
- To investigate reasons for extraction (caries, periodontal disease, endodontics, fracture) in teeth with initially favorable prognoses.
Main Methods:
- Retrospective study of patient records over a 5-year period.
- Inclusion criteria: minimum two dental exams at least 12 months apart.
- Data collected: crown-to-root ratio, pocket depth, periodontal diagnosis, maintenance interval, restorations, furcation involvement, systemic conditions.
- Statistical analysis using a linear mixed model.
Main Results:
- Teeth with prior root canal treatment had higher odds of loss due to caries (OR=3.61), endodontic issues (OR=3.86), and fracture (OR=2.52).
- Periodontal disease-related tooth loss was higher in patients on anti-depressants (OR=4.28) and with Stage III/IV periodontitis (OR=2.66).
- Initial probing depths ≥5 mm (OR=4.32) and furcation involvement (OR=1.93) increased odds of tooth loss due to periodontal disease.
Conclusions:
- Previously root-canal-treated teeth have an increased risk of early loss from various causes.
- Systemic factors (anti-depressants) and specific periodontal conditions (deep pockets, furcation involvement) significantly elevate tooth loss risk.
- Even teeth with initially favorable prognoses are susceptible to loss when these risk factors are present.
Related Concept Videos
01:15Teeth
569
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...
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...
569
01:21Tooth Anatomy
891
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...
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...
891