The Postscript: Words about teeth

“I don’t know many words about teeth,” I told the dentist.

Since my husband, Peter, and I spend time in Mexico, it makes sense to get dental work done while we’re here, and I had been putting off going to the dentist. I knew I needed to get work done where my gums had receded, and the enamel no longer covered what it was supposed to. I’ve been told that over-exuberant toothbrushing contributes to this condition, so I’ve been trying to ease off. But I don’t really think my toothbrush is the cause. I’m just getting old.

“Do you have the expression ‘long in the tooth’ in Spanish?” I asked the den...