Impact of Orthodontic Treatments on Long-term Oral Health

Importance of Oral Health Maintenance

Maintaining a consistent oral health routine is essential for overall dental well-being. This includes not only daily brushing and flossing but also regular visits to the dentist. According to the Canadian Dental Association, inadequate oral health can significantly affect an individual’s quality of life. Furthermore, the presence of oral diseases has been associated with serious chronic health conditions, including diabetes, heart disease, stroke, and respiratory illnesses in older adults.

Research Overview

Researchers Doğramacı and Brennan from the University of Adelaide investigated the relationship between previous orthodontic treatments and the incidence of dental caries, commonly known as tooth decay. Their findings were published in the journal Community Dentistry and Oral Epidemiology. The study analyzed data from nearly 2,000 participants who had received orthodontic treatment at age 13 through School Dental Clinics in South Australia.

The participants were monitored from the age of 13 until they reached 30 years old. Throughout this period, the researchers collected data on dental health behaviors, as well as the number of decayed, missing, or filled teeth. During follow-up appointments, dentists reassessed the participants’ oral health and gathered additional information, including socio-demographic factors, further orthodontic treatments, sex, tooth brushing frequency, education levels, and the timing of their last dental visit.

Key Findings

The initial hypothesis of the study posited that individuals who underwent orthodontic treatment earlier in life would exhibit lower levels and severity of dental caries. However, upon analysis, Doğramacı and Brennan found no support for this hypothesis. The study revealed that factors such as education, income levels, and dental visit frequency were more significantly related to the presence of cavities, rather than past orthodontic treatments.

Dr. Doğramacı emphasized the importance of maintaining oral hygiene and regular dental check-ups, stating, “evidence from the research clearly shows that people cannot avoid regularly brushing their teeth, good oral hygiene, and regular dental check-ups to prevent decay in later life.” The researchers concluded that the potential for preventing dental caries should not be viewed as a justification for pursuing orthodontic treatment.

Study Limitations

Despite the valuable insights from this research, several limitations should be acknowledged. The follow-up study, which surveyed former participants now aged 30, had a restricted scope. Approximately one-third of the original participants were reachable for the follow-up, with most residing in metropolitan areas of Australia, indicating a potential bias toward a higher socio-economic status group.

Additionally, the study relied heavily on self-reported questionnaires, which may introduce limitations such as recall bias. Nonetheless, the findings indicate that prior orthodontic treatment does not guarantee protection against tooth decay later in life.

References

Doğramacı, E. J. (2019, January 20). Orthodontics no guarantee of long-term oral health. Retrieved from https://www.eurekalert.org/pub_releases/2019-01/uoa-ong012019.php
Doğramacı, E. J., & Brennan, D. S. (2019). The influence of orthodontic treatment on dental caries: An Australian cohort study. Community Dentistry and Oral Epidemiology. doi:10.1111/cdoe.12446
Oral Health – Good for Life. (2019). Retrieved from http://www.cda-adc.ca/en/oral_health/cfyt/good_for_life/