Tartar is not a support that protects your teeth
Plaque is a bacterial film around the teeth; mineral deposits can harden it into tartar. Thick tartar may hide the actual shape of spaces. Even if removal makes a space newly visible, leaving tartar in place does not protect gum health.[1]
Periodontal treatment reduces deposits on tooth and root surfaces to manage inflammation. When periodontitis extends below the gums, removing only visible tartar may not be enough. The amount of tartar does not always correspond to the degree of supporting-tissue damage.[2][3]
As swelling settles, the gum contour changes
Inflamed gums may swell and bleed easily. As treatment reduces inflammation and tissues heal, reduced swelling can make teeth look longer or reveal dark triangular spaces between them. NHS patient information describes this apparent shrinkage after treatment.[2]
This does not mean everyone develops large gaps after routine scaling. Expected changes differ between simple tartar removal and deeper treatment for periodontitis. Interpretation requires comparison with the condition before treatment.[1][2]
Previously lost tissue may become more apparent
Periodontitis can damage the tissues that support teeth. Swelling or tartar may conceal that damage until treatment makes it clearer. This is why gum assessment includes pocket depths, bleeding and X-rays where indicated.[1]
Both 'scaling made all my gums recede' and 'the spaces will definitely fill back in' can be premature conclusions. Existing tissue loss must be distinguished from swelling that is resolving. The appearance of a gap alone cannot establish disease severity or recovery potential at home.[1][4]
Understand sensitivity, but do not simply endure persistent pain
Temporary sensitivity or discomfort can follow gum treatment, sometimes related to greater exposure of root surfaces. Sensitivity care matched to your oral condition can help. Recovery also varies with the procedure and the amount of pre-existing inflammation.[1][2]
Report increasing pain, pain when biting on a particular tooth, swelling or ongoing bleeding. Do not label every symptom as healing; another cause may need checking. Rather than stopping brushing completely because of sensitivity, ask how to clean gently.[1]
The aim is not to fill the spaces with tartar again
An appropriately sized interdental brush may help in wider spaces, while floss may suit tight ones. Ask about size and direction for each space rather than inserting the thickest tool. After treatment, keeping the treated areas accessible for daily cleaning is important.[4]
If the appearance bothers you, discuss options once inflammation has stabilized. Consider whether the shape also makes cleaning or function difficult. Periodontal treatment involves reassessment and any necessary further treatment and maintenance, not just a single cleaning.[3]
Research and institutional sources
- Australian Dental Association Victorian Branch. Caring for your teeth: Periodontal (gum) disease. 2022.View source ↗Dental association guidance on periodontal damage and changes after treatment.
- Kent Community Health NHS Foundation Trust. Professional mechanical plaque removal. 2026.View source ↗NHS patient information on reduced swelling and sensitivity after deeper cleaning.
- Sanz M, et al. Treatment of stage I–III periodontitis—The EFP S3 level clinical practice guideline. J Clin Periodontol. 2020;47(Suppl 22):4–60. doi:10.1111/jcpe.13290.View source ↗EFP clinical guideline on stepwise periodontal treatment and maintenance.
- UK Government. Delivering better oral health, Chapter 5: periodontal diseases.View source ↗UK prevention guidance on gingivitis, periodontitis and individualized care.
Bracketed numbers in the text link to these sources. This article provides general health information; individual diagnosis and treatment plans are determined after a clinical consultation.

