Please choose the correct ending to complete the given sentence: Health: [header] How to strengthen teeth and gums [title] Choose the right toothbrush. [step] Selecting a toothbrush from a store can be overwhelming; the variety of special features, let alone colors, is enough to leave you scratching your head in the dental care aisle. Picking a brush that is right for you is more important than buying the most expensive brush with the most features.

Ending1: Select a brush made specifically for your needs and style. [substeps] The type of brush will depend on your particular taste and exfoliating habits. Ending2: [substeps] The bristles should be at least twice the length of your index and middle fingers. Brush out your gums using the gentle brush technique for children. Ending3: You can go for the classic tooth brush, also known as the coconut brush, or you can try a modern variety of brush. Such brushes have tines that pass the bristles from the back of your tongue to the top of your teeth. Ending4: Things to look for in a toothbrush include : [substeps] An appropriate size. Larger toothbrushes can be more difficult to maneuver in your mouth.

Answer format: ending1/ending2/ending3/ending4