{"id":4519,"date":"2026-10-26T08:39:32","date_gmt":"2026-10-26T08:39:32","guid":{"rendered":"https:\/\/hygeiadent.com\/?p=4519"},"modified":"2026-10-26T08:39:33","modified_gmt":"2026-10-26T08:39:33","slug":"loose-dental-implant-crown","status":"publish","type":"post","link":"https:\/\/hygeiadent.com\/en\/corona-impianto-dentale-si-muove\/","title":{"rendered":"Loose Implant Crown: Causes and What to Do"},"content":{"rendered":"

If your dental implant crown is loose, in most cases the cause is a loose connecting screw<\/strong> or the failed cement<\/strong>, not the implant itself. These are common problems and can usually be resolved in a single appointment. However, a loose crown should be checked by a dentist as soon as possible: if neglected, it can damage the components and, more rarely, indicate a problem with the implant or the bone.<\/p>\n\n\n\n

In this guide, you will learn why this happens, how to tell how serious it is, and what to do right away.<\/p>\n\n\n\n

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\"dental<\/figure>\n\n\n\n

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How an implant is made: three different parts<\/h2>\n\n\n\n

To understand why a crown can become loose, it helps to know that a dental implant consists of three elements:<\/p>\n\n\n\n

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  1. The implant<\/strong> (the titanium \u201croot\u201d), placed in the bone.<\/li>\n\n\n\n
  2. The abutment<\/strong> (or post), the connector that joins the implant to the crown.<\/li>\n\n\n\n
  3. The crown<\/strong>, the visible tooth, made of zirconia or ceramic.<\/li>\n<\/ol>\n\n\n\n

    These parts are joined by a screw or dental cement. When you notice movement, the dentist\u2019s first task is to determine which of the three parts is moving<\/strong>. The difference is crucial, because the causes and solutions are very different.<\/p>\n\n\n\n

    The 6 most common causes of a loose crown<\/h2>\n\n\n\n

    1. Loose abutment screw<\/h3>\n\n\n\n

    This is the most common cause. Over time, chewing forces can slightly loosen the screw that holds the implant and abutment together. Usually, the crown starts to move slightly and then becomes increasingly mobile.<\/p>\n\n\n\n

    Good news<\/strong>: the implant is healthy. The dentist accesses the screw, cleans it and retightens it with the correct torque, or replaces it.<\/p>\n\n\n\n

    2. Failed cement<\/h3>\n\n\n\n

    If your crown is cemented onto the abutment, the cement may deteriorate or come loose. In this case, the crown may move or even come off completely. Often, simply cleaning the surfaces and recementing it is enough.<\/p>\n\n\n\n

    3. Bruxism and excessive forces<\/h3>\n\n\n\n

    People who grind or clench their teeth, especially at night, subject implants to forces far greater than normal. These repeated stresses are one of the main reasons screws become loose. A night guard<\/strong> is often the solution to prevent the problem in the future.<\/p>\n\n\n\n

    4. Improper bite alignment<\/h3>\n\n\n\n

    If the crown contacts the teeth in the opposing arch too early or too forcefully, it receives excessive load with every bite. A small adjustment to the contact point (selective grinding) may be enough to rebalance the forces.<\/p>\n\n\n\n

    5. Broken crown or component<\/h3>\n\n\n\n

    Less commonly, the crown, abutment or screw itself may fracture. This often happens after trauma or biting down on something very hard. Damaged components must be replaced.<\/p>\n\n\n\n

    6. Implant problem: peri-implantitis or failed osseointegration<\/h3>\n\n\n\n

    This is the least common but most serious situation. If it is the implant itself that is moving<\/strong>, it may mean that:<\/p>\n\n\n\n