So, the effect of tooth gap cleaning is favorable, and use is safe.

从而，清理牙缝效果好，又安全可靠。

youdao

Objective: to achieve durable use, natural looking ang good appearance during treatment in closing tooth gap.

前言：目的：力求在临床关闭前牙牙间隙的治疗过程中，达到耐用、自然、美观。

youdao

As the gap of teeth of internal matins gears with small tooth number difference is small, several teeth will mate simultaneously after the teeth are deformed by load.

渐开线少齿差齿轮副，由于是内啮合，齿轮副的齿对之间的间隙很小，在受力后轮齿变形而使得同时有多对齿啮合。

youdao

Oosthuizen, a former farmboy with a gap-tooth smile, learned his trade at the academy run by South African star Ernie Els, winning his first title at the Andalucia Open on the European Tour this season.

CNN: Oosthuizen leads way at British Open as winds cause havoc

But joy was quickly turned into despair as "Shrek" -- as he is fondly known to his friends due to his gap-tooth smile -- failed to qualify for his first British Open at St Andrews in 2005.

CNN: STORY HIGHLIGHTS