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Effects of Orthodontic Treatment on Pulp Stone Formation: A Retrospective Study
Neda Babanouri1, Sarina Sahmeddini2, Marziye Rahimi Khoshmakani2
1Orthodontic Research Center, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
Biomed Research International
|April 24, 2023
Summary
Fixed orthodontic treatment significantly increases the incidence of dental pulp stones, particularly in molars. Orthodontists should consider this increased risk, as pulp stones can complicate endodontic procedures.
Area of Science:
- Dental Radiology
- Orthodontics
- Endodontics
Background:
- Dental pulp stones are calcifications within the pulp chamber.
- Their formation and prevalence during orthodontic treatment are not fully understood.
Purpose of the Study:
- To determine the incidence of dental pulp stone formation during fixed orthodontic treatment.
- To investigate correlations between pulp stone incidence and patient/treatment factors.
Main Methods:
- Retrospective study of 100 patients undergoing fixed orthodontic treatment.
- Analysis of pre- and post-treatment panoramic radiographs for pulp stone detection.
- Statistical analysis using McNemar's and Pearson's chi-square tests.
Main Results:
- Pulp stone incidence increased from 17% pre-treatment to 35% post-treatment (overall 38%).
- Significant associations found between pulp stone incidence, age, and treatment duration (P < 0.05).
- No associations found with treatment type or gender; most frequent in first (62%) and second (36%) molars.
Conclusions:
- Fixed orthodontic treatment may promote pulp irritation and subsequent calcification, leading to pulp stone formation.
- While generally benign, pulp stones can present challenges for endodontic treatment.
- Orthodontists should be aware of the increased probability of pulp stone development during treatment.
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