Please choose the correct ending to complete the given sentence: Health: [header] How to protect a chipped tooth [title] Consult a dentist. [step] When you chip a tooth, you should consult a dentist right away. If there is pain or bleeding, this is especially important.

Ending1: Some dentists recommend this and others advise even more caution. [substeps] Tooth loss or even split molars are very common and can be serious. Ending2: Even if you do not feel pain, but suspect you have a chipped tooth, you should call a dentist as soon as it is feasible. You may not be able to see or accurately assess the damage yourself, and even if you are not in pain at the moment, complications could develop after a few days or weeks. Ending3: You may have an underlying reason for your chipped tooth. This can include tooth tyvek, a chemical that causes the reaction between uric acid and phosphate that acts as a neutralizing agent. Ending4: Seeking help from a dentist can be very dangerous, and should be kept out of the way by your oral surgeon. [substeps] A dentist's appointment is often recommended, though if you are not sure who to approach, you could simply start in your phone book and ask friends or family if they have experience breaking teeth.

Answer format: ending1/ending2/ending3/ending4