If I go to Mainland China for a dental cleaning, can I get a dental X-ray at the same time
Going north for a dental cleaning: should you get a dental X-ray too?
In recent years, many people in Hong Kong travel to Mainland China for dental check-ups and a scale-and-polish, taking care of tartar and plaque in one trip. Do you have to get a teeth X-ray at the same time? Not necessarily. It depends on your oral condition and the dentist’s assessment. It isn’t “X-rays every time you clean,” but radiographs often reveal problems the eye can’t see.
What a dental cleaning involves
A routine cleaning (scaling and polishing) uses ultrasonic instruments to remove tartar (calculus) and dental plaque, especially around the gumline and between teeth, lowering your risk of gum disease. During the visit, the dentist will usually perform a basic oral exam—checking for bleeding gums, swelling, and tooth mobility—which helps decide whether X-rays are needed.
Common types of dental X-rays (radiographs)
- Panoramic X-ray (OPG): A broad view of both jaws, wisdom teeth position, sinuses and jawbone.
- Intraoral X-rays: Close-up images of specific teeth.
- Bitewing radiographs: Excellent for spotting hidden decay between teeth and checking bone levels.
- Periapical radiographs: Show the entire tooth, including the roots and apex, to detect deep decay, abscesses, or root issues.
- 3D CBCT (cone-beam CT): Often recommended before dental implants or complex root canal treatment to assess bone volume and nerve pathways in 3D.
Many Mainland clinics have this equipment, but not all. Ask before you book.
When to consider adding X-rays to your cleaning
- Frequent toothache or sensitivity when biting/chewing, suspecting deep decay or cracks
- Persistent swollen, bleeding gums or bad breath, suspecting gum disease and needing to assess bone loss
- Loose teeth or deep gum pockets, wanting an objective periodontal evaluation
- Intermittent wisdom tooth inflammation or pressure on adjacent teeth, needing to assess eruption path and space
- Planning orthodontics, dental implants, or extractions and need complete imaging for treatment planning
- Follow-up after a root canal or oral surgery to monitor healing
If it’s a routine scale-and-polish with no obvious symptoms and your last check-up was normal, your dentist may decide X-rays aren’t immediately necessary. That said, some cavities are “silent” and difficult to see clinically; bitewing X-rays can catch them early and help you avoid more extensive treatment later.
Safety considerations
Dental X-ray radiation doses are very low, and clinics should provide a lead apron and thyroid collar for protection. If you are pregnant or planning pregnancy, inform the clinic in advance—non-urgent X-rays are usually avoided. For c

hildren, dentists will weigh the need carefully. In practice, safety depends most on appropriate medical justification, adequate image quality, and proper protective measures.
Practical checklist before going north
- Ask whether the clinic offers panoramic X-rays (OPG), intraoral bitewings/periapicals, and 3D CBCT—and whether separate appointments are needed.
- Confirm whether you’ll get an on-the-spot report and if you can take away the original files (for example, DICOM), a CD/USB, or a secure cloud link. This makes follow-up in Hong Kong easier.
- Check that reports are in Traditional Chinese or at least clearly labeled for smooth communication.
- Review infection control: sterilization workflow, sealed instrument pouches, single-use disposables, and room ventilation.
- Verify the dentist’s qualifications and valid license, and whether they perform a comprehensive exam before recommending imaging and treatment.
Scheduling tips
A cleaning plus X-rays typically needs an extra 30–60 minutes, depending on waiting times and how many images are required. Avoid a rushed, “tick-the-box” visit—leave time to discuss findings, the radiology report, and your follow-up plan with the dentist. Record key details such as periodontal probing depths, bone level assessment, and caries charting/tooth numbers so your Hong Kong dentist can easily continue your care.
Will Hong Kong dentists accept X-rays taken in Mainland China?
Generally yes—provided they’re standard formats (OPG, intraoral, CBCT), have sufficient clarity, and include basic patient information. For long-term care, keep the original image files and formal reports; don’t rely only on printouts or phone photos.
Aftercare post-cleaning
Your gums may feel sensitive briefly. Keep up excellent home care: brush twice daily with fluoride toothpaste, use floss or interdental brushes, and clean your tongue. Check in two to three weeks whether gum bleeding has improved. If your dentist identifies periodontal disease, deep pockets, or bone loss, you may need scaling and root planing (deep cleaning)—and pre-treatment X-rays are especially valuable.
Bottom line
Going north for a dental cleaning doesn’t automatically mean you must get a dental X-ray. Base the decision on your symptoms, oral health status, and your dentist’s professional judgement. If you have symptoms, planned treatments, or it’s been a long time since your last X-rays, doing them together is sensible. Confirm the clinic’s equipment, the portability of images/reports, and radiation protection, and allow sufficient time. That way, cross-border cleaning and X-rays can be both convenient and safe—adding extra protection for your long-term oral health.
