Description
Black Gingival Margin Trimmers
The cervical floor of a Class II box is the hardest wall to reach with a bur, and that is where a gingival margin trimmer earns its place. Its curved blade planes and bevels the gingival margin, removing loose enamel rods so the restoration can seal. This page offers five Black patterns from our supplier catalogue. Each one also comes in a Style 2 handle, giving ten options in all.
Mesial and Distal Pairs
Trimmers come in mesial and distal versions because the blade curve must face the wall you are working on. Here, 27, 29 and 79-80 are marked Mesial, while 28 and 77-78 are marked Distal. In practice, clinicians pair a mesial with a distal trimmer so both proximal boxes of a tooth can be finished. For example, 77-78 Distal and 79-80 Mesial make a natural pair.
Single Numbers Versus Hyphenated Numbers
The single-number patterns, 27, 28 and 29, sit alongside the hyphenated 77-78 and 79-80. A hyphenated number usually indicates a double-ended instrument. Since the catalogue prints no blade sizes, compare the photos to judge width and curvature before choosing.
What Style 2 Adds
The catalogue shows all five trimmers on two consecutive pages. Therefore each Style 2 trimmer repeats its Black number from the later page, fitted to a handle pattern the catalogue never describes. Match the photo to your existing trays, or simply choose the handle you prefer.
Each trimmer is checked by our United States team for edge quality and blade alignment before it ships. However, they arrive non-sterile, so clean and autoclave them before treatment. Furthermore, the ten trimmer options come with three years against manufacturing defects, mesial and distal blades alike.
Trimmer steel is made to ASTM F899 for surgical stainless steels. See the full diagnostic, periodontal and restorative range, shape the box walls first with Black Cavity Preparation Instruments, or read our FAQs.
Margin trimmers are sold for licensed dental professionals. Follow our trimmer cleaning and sterilization advice and review delivery options.















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