the present invention provides a removable attachment for a partial denture with a sliding locking assembly . the locking assembly is provided with a relatively wide slot and narrower sliding slot or recess which has a major axis which is horizontal and at a right angle to the row of teeth , a locking member including a lock pin and a protruding member suitable for being retained in a recess of the denture and has a hole which may be engaged by the lock pin . the lock member is retained in position by a spring loaded pin and detent to receive the pin . the attachment may be easily operated by a fingertip without injury to the finger and no sudden separation of the partial denture is experienced . it may be used in cases where only the canine teeth of both sides exist as well as in cases where bilateral and / or unilateral teeth are missing . general dental instruments can be adapted for use with this attachment and no special instruments are necessary . the attachment can be fabricated from various standard dental materials and is reasonably economical .