Dr. Telly Kamelia 
If you only need the buying answer, quarter rental is the cheapest path in the current snapshot, and used print is slightly cheaper than the current new copy. The current paperback still has a legitimate case because it stays well below Wiley retail, which means a new keepable copy can make sense if you expect to reuse this technique manual in clinical training.
| Format | Seller | Current Price | Link |
|---|---|---|---|
| Quarter Rental | eCampus | $55.80 | Check price |
| Paperback Used | eCampus | $74.40 | Check price |
| Paperback New | Merybook | $79.66 | Check price |
| Paperback New | Wiley | $99.95 | Check price |
This is not a simple “new print wins” situation, and that is exactly why the pricing should be read carefully. If your only goal is to spend the least, rental wins. If you are comfortable with used condition, the used paperback is cheaper than the current new copy. The current new print listing only becomes the right answer when you specifically want a clean copy you can keep, annotate, and reuse in clinical learning.
What this book actually teaches
Ultrasonic Periodontal Debridement: Theory and Technique is a clinical technique book, which means its value lives in procedure, instrumentation, tissue response, operator control, and repeated review of practical details rather than in one-pass memorization. Books like this matter because early readers often understand them better after they begin real instrumentation practice. The manual becomes more useful once hand position, insert selection, and debridement goals stop being abstract.
That is why ownership can still make sense even when rental or used is cheaper. Technique manuals often pick up value over time because readers come back to specific chapters when clinical confidence is still developing. The question is not whether the book is useful. It is whether you need a new copy, a used copy, or only temporary access.
Who should buy print and who should not
Rent the book if you only need it for a short course and want the absolute lowest cost. Buy used if price matters more than condition. Buy the current new paperback only if you want a clean copy you expect to keep through dental hygiene or periodontal skills training. In that narrower use case, the current new price is still much better than Wiley retail.
