Wellington: A woman thought her boyfriend was going to kiss her when he suddenly pulled out a pair of pliers and pulled out one of her teeth, a New Zealand court has been told.

Philip Lyle Hansen, 56, has pleaded not guilty to 11 charges, including unlawful sexual connection and charges of wounding with intent to injure four women.

Philip Lyle Hansen in court this week.

It's alleged Hansen extracted the women's teeth with pliers and attempted to remove the teeth of one woman with a screwdriver.

On Thursday a fourth complainant began giving evidence at his Wellington District Court trial.