Preventive & General Dentistry in Smithtown, NY


A strong foundation in oral health begins with preventive and general dentistry. At Norman M. Rubin, DDS in Smithtown, NY, our goal is to help patients of all ages maintain healthy teeth and gums through routine care, early detection, and personalized education. By focusing on prevention and timely intervention, we help reduce the risk of more serious dental issues and support long-term wellness.

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Comprehensive Dental Exams for Ongoing Assessment


Routine dental exams are essential for detecting problems early and monitoring oral health over time. These evaluations typically include an assessment of the teeth, gums, jaw, and overall oral cavity. During each visit, we look for signs of decay, gum disease, bite irregularities, oral cancer, and other conditions that may require further attention.


Digital radiographs may be taken to visualize areas not visible during the clinical exam. These images assist in diagnosing cavities between teeth, evaluating bone levels, and checking the health of existing restorations. Periodic exams are a critical part of preventive care and are typically recommended every six months, depending on individual needs.



At our Smithtown, NY office, patient records are kept up to date to track changes and ensure continuity of care over time.

  • Professional Dental Cleanings for Plaque and Tartar Removal

    Even with diligent home care, some plaque buildup and tartar formation are inevitable. Professional dental cleanings remove these deposits, particularly in areas that are hard to reach with brushing and flossing alone. Cleanings help prevent gum inflammation, reduce the risk of tooth decay, and keep breath fresh.


    Our hygienists use specialized instruments to gently scale away hardened tartar above and below the gumline. After scaling, teeth are polished to remove surface stains and smooth the enamel. Fluoride treatments may be applied to help strengthen teeth and protect against decay.


    Routine cleanings are typically scheduled every six months but may occur more frequently for patients with specific needs, such as a history of periodontal disease.

  • Gum Health and Periodontal Screenings

    Gum health plays a vital role in maintaining the overall stability of the teeth. Periodontal screenings are conducted during general exams to assess the condition of the gums and supporting bone. Measurements are taken around each tooth to evaluate pocket depth, which helps identify early signs of gingivitis or more advanced periodontitis.


    Early intervention for gum disease includes deep cleaning procedures such as scaling and root planing, antimicrobial rinses, and changes in home care routines. In more advanced cases, referral to a periodontist may be recommended.


    Maintaining healthy gums is not only essential for dental function but also for systemic health, as periodontal disease has been linked to conditions such as heart disease and diabetes.

  • Preventing Cavities with Sealants and Fluoride

    For children and cavity-prone adults, preventive treatments such as dental sealants and fluoride applications offer additional protection. Sealants are thin, clear coatings applied to the grooves of molars and premolars, creating a barrier against food and bacteria. These are especially effective in preventing decay in hard-to-clean chewing surfaces.



    Fluoride treatments help remineralize enamel and make teeth more resistant to acid attacks from bacteria and sugary foods. Fluoride is applied topically during cleanings and may also be recommended in prescription-strength rinses for home use.


    These preventive services are quick, painless, and highly effective in reducing the risk of decay.

  • Oral Cancer Screenings During Routine Visits

    Oral cancer screenings are performed during general exams to identify abnormal changes in the soft tissues of the mouth. The process includes a visual and tactile inspection of the lips, tongue, cheeks, gums, and throat. Any lesions, discoloration, or persistent ulcers are noted for further evaluation.


    Early detection is key to successful treatment of oral cancers. Regular screenings during dental visits allow us to monitor for changes and refer patients for biopsy or further diagnostics if necessary.


    Our Smithtown, NY office incorporates screenings as a standard part of every comprehensive dental checkup.

  • Nightguards, Mouthguards, and Habit Protection

    General dentistry also includes the fabrication of custom oral appliances to protect teeth from damage. For patients who grind or clench their teeth at night, nightguards provide a cushioning barrier that prevents wear and reduces the risk of cracked enamel or jaw pain.


    Custom sports mouthguards are also available for children and adults engaged in contact sports. These appliances fit securely and offer superior protection compared to store-bought options.


    Habit appliances may be recommended for children to help stop thumb-sucking or tongue-thrusting, which can affect dental alignment and development.

Personalized Patient Education and Hygiene Guidance


Preventive care is most effective when supported by good home habits. We provide tailored instruction on brushing techniques, flossing methods, and the selection of oral hygiene products suited to each patient's unique needs. For children, visits may include interactive education to promote a positive attitude toward dental care.


Nutritional counseling and guidance on managing dry mouth or sensitivity are also available. Our goal is to empower patients to take an active role in their oral health between visits.



Ongoing education ensures that preventive strategies are implemented effectively and that minor issues do not progress into major problems.