What Can a Dental Exam Detect? Common Problems Dentists Look For

October 28, 2026
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A routine dental exam is more than a quick look at your teeth. It is a systematic check that also includes your gums, jaw, and neck, designed to identify potential issues while they’re still minor.

What does a dental exam check for? Your dentist looks for tooth decay, gum inflammation, worn or damaged teeth or restorations, bite misalignment, and jaw issues. Though no exam can catch everything, your dentist will usually use a combination of a visual exam and x-rays to provide a more complete picture of your oral health than either can on its own.

Dental Problems Dentists Look for

At a dental exam in Los Gatos, CA, Dr. Nicole Pagonis will check your teeth for decay, which can show up as soft spots, discoloration, or tiny pits. This is also a good opportunity to note teeth that are worn, chipped, or cracked, which can indicate grinding or clenching (bruxism). She’ll also examine your gums for redness, swelling, bleeding, or pockets that suggest inflammation. Additionally, she will conduct an oral cancer screening and assess your bite alignment and jaw health.

Checking Existing Fillings, Crowns, and Restorations

Dental work, while durable, doesn’t last forever. Fillings can wear, chip, or leak at the edges. Crowns can loosen or develop decay underneath. Catching these changes early often allows a simple repair or replacement before a bigger problem develops. This is why, during an exam, your dentist also inspects what is already in your mouth.

What X-Rays Reveal and Why Early Evaluation Matters

Some problems elude the naked eye. In these cases, digital x-rays can reveal decay between teeth or under existing fillings, changes in the supporting bone structure, and infection or damage around the roots. The tiniest cavity may be invisible in a visual exam, yet visible on an x-ray, allowing for the least invasive filling. Because many conditions cause no symptoms early on, regular exams in Los Gatos help your dentist identify a broader range of problems before they become painful or inconvenient.

Preventive Dental Exams in Los Gatos, CA

If you’re in Los Gatos and want to learn more about the common dental problems that a dental exam can help identify, contact Dr. Nicole Pagonis and our friendly, welcoming Los Gatos dental team to schedule your next appointment.