Routine dental X-rays are not backed by evidence

Scope of Evidence & Guidelines

• Commenters note dentistry has historically lagged medicine in evidence-based practice; some cite reviews showing longer checkup intervals than 6 months are often fine for low‑risk patients.
• A dental student reports current curricula: annual bitewing X‑rays only for high caries risk; 2–3 years for low risk, aligning with the article.
• Others are surprised that such basic things (e.g., flossing frequency, many dental products) have relatively weak or mixed evidence.

Overuse, Incentives & Profit

• Many anecdotes of dentists “always finding something,” often immediately billable (multiple cavities, root canals, cosmetic upsells, mouth guards, peroxide trays, fluoride rinses, oral cancer screens).
• Chains and private‑equity/insurance‑driven practices are repeatedly accused of overtreatment and aggressive upselling, with some dentists reportedly under pressure to hit revenue quotas.
• X‑rays are seen as a high‑margin, low‑cost, easy‑to‑justify procedure; some report being pushed to get them every 6 months or annually regardless of risk.
• Several stories describe radically different treatment plans (from “no work needed” to tens of thousands of dollars) for the same mouth.

Diagnostic Value & Misses

• Some commenters had serious issues only detected by “routine” X‑rays: failed root canals, internal decay in non‑vital teeth, root fractures, etc.
• Others report X‑rays missing large cavities or cracked crowns that were only found after pain or manual probing.
• This supports the article’s point that radiographs can both miss early decay (high false‑negative rate) and serve as a crutch for less thorough clinical exams.

Radiation Risk & Frequency

• Several participants downplay radiation from modern dental X‑rays as extremely low, sometimes comparing to short flights or background exposure.
• Others remain uneasy about cumulative ionizing radiation and the “concentrated dose” argument, especially when frequency seems driven by billing rather than clear indication.
• Some patients now routinely decline annual X‑rays or negotiate longer intervals, especially when low risk.

International & Systemic Contrasts

• Many non‑US commenters say routine annual X‑rays are rare; visual exams dominate and X‑rays are reserved for specific indications or multi‑year intervals.
• Prices abroad (Europe, Norway, NZ, etc.) are reported as much lower, with less upselling; US dentistry is frequently described as unusually aggressive and profit‑oriented.

Trust, Skepticism & Patient Agency

• Recurrent advice: question recommendations, ask for justifications, seek second opinions, and treat defensiveness as a red flag.
• Some use conservative X‑ray policies and willingness to say “no treatment needed” as proxies for an honest, evidence‑oriented dentist.