Dr Kiran Shankla shares practical insights on integrating whitening into everyday dentistry, from diagnosis and delivery to legal considerations and patient communication.
Tooth whitening is far more than a cosmetic extra. When performed well, it becomes a conservative, high-impact treatment that improves confidence, enhances restorative outcomes, and supports long-term oral health. For me, it is now a routine part of general practice, and I follow certain protocols to ensure complete compliance with clinical, legal, and practical guidance.
When whitening supports more than aesthetics
In my practice, whitening often complements restorative and orthodontic work. For example, before placing anterior crowns or implants, I always ask patients whether they are happy with the colour of their natural teeth.
If not, whitening beforehand ensures a better shade match and avoids unnecessary compromises later. Similarly, many post-orthodontic patients present with discolouration or uneven enamel. Whitening, often followed by resin infiltration or subtle composite edge bonding, can help complete the smile in a conservative and cost-effective manner.
Diagnose accurately and treat conservatively
Every whitening case begins with a thorough assessment. The standard procedure includes a detailed medical and dental history, clinical photographs and shade analysis. I also always take radiographs of any teeth that appear discoloured, especially those that have been endodontically treated or traumatised.
This helps identify potential internal pathology that may interfere with whitening outcomes or lead to sensitivity. I also advise patients on how shade guides work. Instead of showing shades by hue, I reorder them by brightness. This makes it easier to show patients how many shades lighter their teeth may become. Patients appreciate clear visuals, and this helps manage expectations from the outset.
A proper whitening protocol begins with understanding the underlying cause of discolouration. Broadly speaking, extrinsic staining results from food, drink, smoking and oral hygiene, while intrinsic staining originates from within the tooth structure. This might be due to childhood medication such as tetracycline, systemic illness, trauma or previous dental treatments like root canals. Identifying the type of discolouration early allows for more accurate diagnosis, realistic treatment planning and appropriate patient communication.
Build whitening into daily practice
To increase whitening uptake in general practice, it must become part of everyday conversations. Asking patients whether they are happy with the colour of their teeth is a simple and effective way to open the discussion.
Even asking what toothpaste they use can indicate whether whitening may be a suitable option. Many patients use over-the-counter whitening products that yield minimal results, presenting an opportunity to educate them about more effective and professional options.
I also ensure that whitening is discussed in the context of other treatments. Patients having anterior restorations, aligners, or implants should always be given the option to whiten their teeth beforehand. This not only improves the final aesthetic outcome but also often prevents disappointment or mismatch once fixed work is placed.
Many patients are concerned about sensitivity, so I always warn them that discomfort may peak around day three. Most patients can continue treatment with short breaks or by alternating applications.
Choosing the correct whitening formulation makes a difference. I prefer using carbamide peroxide with potassium nitrate, as it provides a slower release of active ingredients and is less likely to cause sensitivity. In my experience, this approach also yields more stable long-term results.
Internal whitening for non-vital teeth requires a slightly different approach. I work closely with endodontists to ensure proper canal preparation and restoration. Whether I use an open or closed technique depends on the individual case, but I always modify trays to focus the gel on the affected tooth. Patients are monitored regularly during treatment, and I allow sufficient time before placing any definitive restorations, as residual oxygen can reduce bond strength.
Whitening in under-18s: Follow the rules
Whitening is a valuable tool for young patients, too, provided it is used responsibly and in accordance with current guidelines. The GDC allows whitening for under 18s ONLY when it is intended to treat or prevent disease. This includes cases of MIH, fluorosis, trauma-related discolouration or when the appearance of the teeth is significantly affecting a child’s wellbeing.
I have treated patients in their early teens who had been told nothing could be done until adulthood. With appropriate consent and communication, a combination of home whitening and resin infiltration has produced life-changing results, requiring no drilling, anaesthesia or pain.
These cases must be carefully assessed, and documentation is essential. I explain the rationale to parents, secure their consent and confirm cover with my indemnity provider.
I refine the result by combining whitening with resin infiltration or bonding where needed. In many instances, whitening has been the first step in restoring a child’s confidence, particularly when they have been teased or bullied because of their teeth.
The business side of whitening
From a practice management perspective, whitening is efficient and profitable. It does not involve lab-intensive procedures, can be delegated where appropriate, and helps promote your work through word of mouth.
Patients who are satisfied with their smile are often the ones who bring in referrals. Compared to complex fillings or adjustments, whitening offers a high return on investment in terms of time and effort, fitting seamlessly into a general dental workflow.
Whitening is more than a finishing touch. When done well, it enhances aesthetics, supports periodontal health, encourages patient trust and aligns with the ethos of minimally invasive dentistry. Whether it is part of a complex restorative plan or a simple standalone treatment, whitening deserves a central place in modern dental care.
Make a confident choice
For clinicians looking to offer whitening as a routine service, I encourage exploring systems that allow for clinical control, patient comfort and flexible delivery. Pola Whitening has become that solution for me, offering the consistency and range I need to deliver whitening confidently and conservatively.
The whitening system you choose can significantly impact patient comfort and clinical success. Although I have used various products over the years, I now consistently work with Pola Whitening. The product range includes options for in-practice treatment, take-home use, and aligner-compatible gels, providing flexibility for different patient needs. I particularly appreciate the reduced sensitivity and reliability of results, even in more complex cases.
Watch Kiran’s full webinar to discover how to transform your whitening results. Then, book a Lunch & Learn or contact us to explore the professional support available from a system designed to meet every patient’s needs.
Kiran Shankla is a restorative dentist based at Kendrick View Dental Practice. Follow her cases @shanklasmiles