About Greater Long Island Dental

Greater Long Island Dental is a multi-specialty dental practice at 101 New York Ave in Massapequa, New York, open since 1980 and staffed by five dentists working across general, cosmetic and restorative care in one location — an arrangement the practice states allows most treatment to be completed without an outside referral. A digital workflow carries assessment through to delivery: CEREC scanning, design and milling for single-visit restorations, high-definition 3D imaging of bone, tooth roots, nerves and sinuses where that detail is needed, and intraoral scanning in place of putty impression trays. The practice also treats jaw pain and clenching through bite therapy, orthodontic support or Botox, screens for oral cancer as part of a whole-body view of oral health, and offers NuCalm, a drug-free relaxation system, to patients anxious about treatment. Clinicians here are recorded with the International Academy of Oral Medicine and Toxicology.

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Credentialed Clinician

Diana Backer

SMART

IAOMT recordverified 22 October 2026

Procedures

Bioclear Matrix Biocompatible Materials Biomimetic Inlays Biomimetic Onlays Sleep & Airway Dentistry TMJ / TMD Therapy Veneers

Clinic Details

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Common Questions

What does this practice do when a tooth needs more than a filling but not a crown?

It places inlays and onlays, which it describes as a conservative, durable solution for exactly that situation. The Bioclear composite technique is used to repair black triangles, close small gaps and strengthen worn or chipped teeth while preserving natural tooth structure, and composite fillings restore teeth while protecting their remaining structure and appearance.

Can a crown, inlay or veneer be completed in one appointment here?

In many cases, yes. CEREC allows the practice to digitally scan, design, mill and place many permanent restorations during a single appointment, including crowns, inlays and onlays, and select veneers, with no temporary restoration between visits. Some teeth need other treatment first, so the dentist confirms whether single-visit treatment is appropriate before proceeding.

What is offered to a patient who is anxious about dental treatment?

Tell the office when scheduling. The practice offers NuCalm, a drug-free relaxation system intended to help patients feel calmer during treatment without sedative medication, which means no medication-related recovery period afterwards.

Why would 3D imaging be used instead of conventional dental X-rays?

Conventional radiographs are two-dimensional. The practice's high-definition 3D imaging gives a more detailed view of structures such as bone, tooth roots, nerves and sinuses when that information is needed, and it is used when planning dental implants and evaluating more complex root canal cases. The scan is also reviewed on screen with the patient.

Is the practice taking new patients, and how are urgent problems handled?

It states that it is welcoming new patients, and a visit can be booked online or by telephone on (516) 798-4223. Emergency dental care is provided for a toothache, broken tooth, swelling or dental injury, with the practice aiming to see affected patients as quickly as possible and often the same day.