If you don't mind old clinic, you can try this.

Dr. Chu Sai Boon
Klinik Pakar Pergigian Chu & Wong (Ong)
No. 76, 1st floor, Jalan Nanas,
41400 Klang, S'gor.
Tel : 03- 33440755

I found that his skills for extracting the wisdom tetth is very good and fast, the price also quite reasonable.
You can mak a call for appointment first.